Natural Resources
Conservation Service
Ecological site F155XY140FL
Loamy and Clayey Flats and Hammocks
Last updated: 4/14/2025
Accessed: 08/19/2026
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Provisional. A provisional ecological site description has undergone quality control and quality assurance review. It contains a working state and transition model and enough information to identify the ecological site.
MLRA notes
Major Land Resource Area (MLRA): 155X–Southern Florida Flatwoods
This MLRA makes up about 19,973 square miles (51,731 square kilometers) and is entirely in Florida. It stretches across the mid-section of the State, from the Gulf of America to the Atlantic Ocean, and north and south from the Everglades (MLRA 156A) to Jacksonville. This MLRA consists of a young sandy marine plain of Pleistocene age that is underlain by Tertiary-age limestone bedrock. The terrain is nearly level to gently sloping with large areas of swamp and marsh. Sinkholes affect land use and management.
The landscape consists of nearly level to gently sloping marine terraces that have large areas of wetlands and marshes. Streams and lakes are common. Low-lying wet areas are flat with some hummocks that rise 3 feet (1 meter) above the general level of the landscape. Coastal areas consist of low beach ridges and dunes that rise 6 to 10 feet (2 to 3 meters) above the lower inland areas. Elevation ranges from sea level to less than 196 feet (60 meters), increasing gradually from the coast to inland areas.
This MLRA is underlain by sediments of the Quaternary Period (present to 2.58 million years ago) which overlie Neogene (2.53 to 23.03 million years ago) and Paleogene (23.03 to 66 million years ago) formations, including those of the Hawthorn Group. The older rocks are exposed in the north-central part of this area. The Quaternary sediments are largely undifferentiated marine deposits consisting of fine to coarse sands that are poorly to moderately sorted with variable admixtures of clay and organic material. Undifferentiated Holocene (present to 0.0117 million years ago) sediments, which include quartz sands, marls, organic material, and minor carbonate sands and mud, are in the northeast part of this MLRA. The sediments may also include freshwater gastropods. Near the southeastern coastline, the Anastasia Formation and Miami Limestone are exposed. The Anastasia Formation is made up of a variably lithified coquina of shells and sands and unlithified fossiliferous sand. The Miami Limestone is white to light gray, variably fossiliferous, oolitic and pelletal with variable percentages of quartz sand, ranging from sandy limestone to calcareous quartz sand (Scott, 1993a, 1993b; Duncan, 1993a, 1993b). Quaternary beach ridge and dune sediments, which are mapped based on topographic expression, occur throughout the MLRA, becoming more abundant toward the coast.
The average annual precipitation is 38 to 61 inches (973 to 1,559 millimeters). About 60 percent of the precipitation occurs from June through September. Most of the rainfall occurs during moderate-intensity, tropical storms that produce large amounts of rain from late spring through early autumn. Late autumn and winter are relatively dry. The average annual temperature is 69 to 76 degrees F (21 to 24 degrees C). The freeze-free period averages 335 days and ranges from 300 to 365 days.
The dominant soil orders are Alfisols, Entisols, and Spodosols. The soils in the area dominantly have a hyperthermic temperature regime, an aquic moisture regime, and siliceous mineralogy. They generally are deep or very deep; poorly drained, very poorly drained, or somewhat poorly drained; and sandy or loamy, or both. Anthroportic soils throughout the area are a result of cut-and-fill activities associated with construction and urbanization.
This area supports flatwood forest vegetation. Slash pine, longleaf pine, loblolly pine, cabbage palm, bald cypress, laurel oak, water oak, and live oak are the main species. Saw palmetto, wax myrtle, gallberry, and grasses such as bluestems, threeawns, maidencane, and wiregrasses characterize the understory. Along the coastline and around the city of Orlando, this MLRA has been heavily urbanized. However, a significant acreage remains in agriculture for the production of citrus, specialty crops, and cattle. Surface water runoff from agriculture and urbanization are carefully monitored to help mitigate sinkhole development.
The major soil resource concerns are wind erosion, maintenance of the content of organic matter and productivity of the soils, and management of soil moisture. Conservation practices on cropland generally include conservation crop rotations, cover crops, irrigation water management (including micro irrigation systems), nutrient management, and pest management. Conservation practices on pasture and rangeland generally include prescribed grazing, brush management, pest management, prescribed burning, and watering facilities. Conservation practices on forestland generally include forest stand improvement, forest site preparation, prescribed burning, firebreaks, establishment of trees and shrubs, pest management, and management of upland wildlife habitat.Classification relationships
All portions of the geographical range of this site falls under the following ecological / land classifications including:
-Environmental Protection Agency’s Level 3 and 4 Ecoregions of Florida: 75 Southern Coastal Plain; 75b Southwestern Florida Flatwoods,75d Eastern Florida Flatwoods (Griffith, G. E., Omernik, J. M., & Pierson, S. M., 2013)
-Florida Natural Area Inventory, 2010 Edition: Freshwater Forested Wetlands; Hydric Hammock (FNAI ,2010)
-Soil Conservation Service, 26 Ecological Communities of Florida: 12 – Wetland Hardwood Hammocks; 13 – Cabbage Palm Hammocks (Florida Chapter Soil and Water Conservation Society, 1989)
-LandFire Existing Vegetation Type, 2020: Southern Coastal Plain Hydric Hammock
-Myers and Ewel, 1990: Hydric HammocksEcological site concept
This ecological site is associated with poorly drained loamy and clayey soils on flats in central and south Florida. Soils will have surface textures from sand to clay and depth to diagnostic subsurface horizons (argillic horizon) within 20 inches of the surface. The presence of this subsurface horizon and finer textured materials at the given depths will attribute to specific production values in managed grasslands compared to soils with similar horizons at different soil depths on similar landforms.
The reference vegetative state is composed of temperate broad-leaved evergreen hardwoods and palm forests. A perched water table, resulting from the shallow argillic horizon, causes the hydroperiod to persist for longer durations of time, influencing species composition and structure. Maintenance of these sites are driven by extended periods of soil saturation and gap dynamics rather than fire frequency and intensity, as seen in other sites on similar landforms. Extensive loss of natural habitat can be attributed to anthropogenic activities such as urban and agricultural development following the implementation of water control measures.Associated sites
R155XY030FL Sandy Freshwater Floodplain Marshes and Swamps
These sites are very poorly drained communities that occur in lower floodplain landscape positions.
R155XY040FL Sandy over Loamy Freshwater Floodplain Marshes and Swamps
These sites are very poorly drained communities that occur in lower floodplain landscape positions.
R155XY100FL Organic Freshwater Isolated Marshes and Swamps
These sites are very poorly drained communities that occur in lower, wetter, depressional landscape positions.
F155XY120FL Sandy Flatwoods and Hammocks
These sites are poorly drained communities that occur in similar landscape positions.
F155XY130FL Sandy over Loamy Flatwoods and Hammocks
These sites are poorly drained communities that occur in similar landscape positions.
F155XY160FL Sandy over Loamy Flatwoods and Hammocks on Rises and Knolls of Mesic Uplands
These sites are somewhat poorly drained communities that occur in higher, drier, landscape positions.
R155XY070FL Sandy Freshwater Isolated Marshes and Swamps
These sites are very poorly drained communities that occur in lower, wetter, depressional landscape positions.
R155XY080FL Sandy over Loamy Freshwater Isolated Marshes and Swamps
These sites are very poorly drained communities that occur in lower, wetter, depressional landscape positions.
R155XY090FL Loamy and Clayey Freshwater Isolated Marshes and Swamps
These sites are very poorly drained communities that occur in lower, wetter, depressional landscape positions.
R155XY050FL Loamy and Clayey Freshwater Floodplain Marshes and Swamps
These sites are very poorly drained communities that occur in lower floodplain landscape positions.
Similar sites
F155XY130FL Sandy over Loamy Flatwoods and Hammocks
These sites will have similar naturalized vegetative communities. Site 130 will have lower to equal production values of cool season forage in a planted grassland state due to the better water holding capacity of the shallower loamy subsoil of Site 140. Better water holding capacity will also result in higher spring production in Site 140.
F155XY120FL Sandy Flatwoods and Hammocks
These sites will have similar naturalized vegetative communities. Site 120 will have lower production values of cool season forage in a planted grassland state due to the better water holding capacity of the loamy subsoil of Site 140. Better water holding capacity will also result in higher spring production in Site 140.
R155XY050FL Loamy and Clayey Freshwater Floodplain Marshes and Swamps
These sites occur in adjacent floodplains with very poorly drained soils. Differences in landform position and water table will result in different kinds and amounts of vegetation.
R155XY090FL Loamy and Clayey Freshwater Isolated Marshes and Swamps
These sites occur in adjacent closed depressions with very poorly drained soils. Differences in landform position and water table will result in different kinds and amounts of vegetation.
Table 1. Dominant plant species
Tree (1) Quercus
(2) Sabal palmettoShrub (1) Morella cerifera
(2) HypericumHerbaceous (1) Panicum hemitomon
(2) Aristida strictaPhysiographic features
This ecological site and its associated plant communities occur on flats on marine terraces throughout central and south Florida. These are vast stretches of nearly level land on slopes ranging from 0 to 2%. This site typically occurs in lower elevations and may be subject to extended hydroperiods that will result in standing to slow moving surface water. Variation in microtopography is common on this site, resulting in a matrix of linear-convex areas in a dominantly linear-linear landscape.
Table 2. Representative physiographic features
Geomorphic position, flats (1) Talf
Geomorphic position, terraces (1) Tread
Slope shape across (1) Linear
Slope shape up-down (1) Linear
(2) Convex
Landforms (1) Marine terrace > Flat
Runoff class Negligible to very low Flooding duration Very brief (4 to 48 hours) Flooding frequency None to rare Ponding duration Not specified
Ponding frequency None Elevation 0 – 40 ft Slope 0 – 2 % Ponding depth 0 in Water table depth 0 – 18 in Aspect Aspect is not a significant factor Table 3. Representative physiographic features (actual ranges)
Runoff class Negligible to low Flooding duration Brief (2 to 7 days) Flooding frequency None to frequent Ponding duration Very long (more than 30 days) Ponding frequency None to occasional Elevation 0 – 130 ft Slope 0 – 2 % Ponding depth 0 – 6 in Water table depth 0 – 18 in Climatic features
The climate of central and south Florida is warm to hot and temperate to subtropical, with this site getting an average annual precipitation of 50 to 54 inches (1270 to 1371 millimeters). About 60 percent of the precipitation occurs from June through September. Most rainfall occurs during moderate tropical storms that produce large amounts of rain from late spring through early autumn. Late autumn and winter are relatively dry. The average annual temperature is 69 to 76 degrees F (21 to 24 degrees C).
The following tables and graphs consist of specific climate stations found within the range of this ecological site within this MLRA.Table 4 Representative climatic features
Frost-free period (characteristic range) 280-370 days Freeze-free period (characteristic range) 370 days Precipitation total (characteristic range) 50-50 in Frost-free period (actual range) 260-370 days Freeze-free period (actual range) 370 days Precipitation total (actual range) 50-60 in Frost-free period (average) 330 days Freeze-free period (average) 370 days Precipitation total (average) 50 in Characteristic rangeActual rangeBarLineFigure 1. Monthly precipitation range
Characteristic rangeActual rangeBarLineFigure 2. Monthly minimum temperature range
Characteristic rangeActual rangeBarLineFigure 3. Monthly maximum temperature range
BarLineFigure 4. Monthly average minimum and maximum temperature
Figure 5. Annual precipitation pattern
Figure 6 Annual average temperature pattern
Climate stations used
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(1) TITUSVILLE [USC00088942], Titusville, FL
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(2) DAYTONA BEACH INTL AP [USW00012834], Daytona Beach, FL
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(3) DAYTONA BEACH [USC00082150], Daytona Beach, FL
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(4) HASTINGS 4NE [USC00083874], Elkton, FL
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(5) KISSIMMEE 2 [USC00084625], Kissimmee, FL
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(6) BIG CYPRESS [USC00080737], Clewiston, FL
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(7) PUNTA GORDA CHARLOTTE CO AP [USW00012812], Punta Gorda, FL
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(8) ARCADIA [USC00080228], Arcadia, FL
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(9) PARRISH [USC00086880], Wimauma, FL
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(10) TAMPA INTL AP [USW00012842], Tampa, FL
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(11) PALM COAST 6NE [USC00086767], Palm Coast, FL
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(12) ST AUGUSTINE LH [USC00087826], Saint Augustine, FL
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(13) IMMOKALEE [USC00084210], Immokalee, FL
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(14) WAUCHULA [USC00089401], Wauchula, FL
">Influencing water features
This site is influenced by seasonal rainfall and a naturally persistent high water table. The presence of a shallow argillic horizon will serve to perch seasonal water, resulting in slower infiltration (limiting vertical water movement relative to horizontal movement above and below the argillic horizon) and periods of ponding conditions with this site. Areas that are adjacent to uplands may experience rainfall driven flooding conditions from overland flow and seepage during the wet season (June through September). Adjacent lowland communities may attribute to the persistent high water table for extended periods of time. Influencing water inputs will often vary among individual site, but will often result in extended hydroperiods that influence the overall species composition and structure of the site.
Wetland description
Classification System: Cowardin<br />
System: Palustrine<br />
Subsystem: NA<br />
Class: Forested WetlandsSoil features
These soils form in loamy and clayey marine deposits and are typically very deep. Typical soils will have an argillic horizon above 20 inches. A few members may have either a mollic or umbric horizon. These are mineral soils that lack an organic cap and typically lack surface and subsurface rock fragments. At times, restrictive features (most commonly lithic or paralithic bedrock [limestone]) occurs at deep to very deep depths and may have subsurface fragments ranging from 0 to 10%. The pH of this soil ranges from extremely acidic to alkaline.
There is a diverse set of soil taxa associated with this site and is most influenced by hydrologic regime of seasonal water table fluctuations on nearly level land. Soils include Typic Endoaqualfs (Tuscawilla, Bradenton), Typic Glossaqualfs (Winder), and Mollic Endoaqualfs (Parkwood, Hilolo).Table 5. Representative soil features
Parent material (1) Marine deposits
(2) Limestone
Surface texture (1) Fine sand
(2) Loamy sand
(3) Loamy fine sand
Drainage class Poorly drained Permeability class Moderately slow to moderately rapid Depth to restrictive layer 80 in Soil depth 80 in Surface fragment cover <=3" Not specified Surface fragment cover >3" Not specified Available water capacity
(0-40in)3.2 – 5.6 in Calcium carbonate equivalent
(10-40in)0 – 15 % Electrical conductivity
(10-40in)0 – 1 mmhos/cm Sodium adsorption ratio
(10-40in)1 Soil reaction (1:1 water)
(10-40in)5.6 – 7.8 Subsurface fragment volume <=3"
(0-40in)Not specified Subsurface fragment volume >3"
(0-40in)Not specified Table 6. Representative soil features (actual values)
Drainage class Very poorly drained to poorly drained Permeability class Moderately slow to moderately rapid Depth to restrictive layer 40 – 80 in Soil depth 40 – 80 in Surface fragment cover <=3" 0 % Surface fragment cover >3" 0 % Available water capacity
(0-40in)2.1 – 7.9 in Calcium carbonate equivalent
(10-40in)0 – 15 % Electrical conductivity
(10-40in)0 – 1 mmhos/cm Sodium adsorption ratio
(10-40in)0 – 1 Soil reaction (1:1 water)
(10-40in)4.5 – 9 Subsurface fragment volume <=3"
(0-40in)0 – 10 % Subsurface fragment volume >3"
(0-40in)0 – 10 % Ecological dynamics
Water Table Dynamics
During the dry season, high evapotranspiration quickly draws most of the water out of the upper soil horizons, drying them out. Soil moisture becomes depleted in the upper soil layers, above the argillic horizon, and a persistent drought condition frequently prevails through the dry season. As a result, during the dry season, groundwater is inaccessible for plants that cannot penetrate the finer textured horizons.
The presence of a shallow argillic horizon (within 20 inches) also serves to pertain a seasonal high water table and at times, above ground water. Plant roots that are unable to withstand extended periods of saturation may also suffer. The consistent moist to wet conditions found in this site as well as highly shaded conditions from the closed canopy forest will often create more moist to wet ground conditions compared to sites on similar landforms with deeper argillic horizons.
Plant Community Dynamics
Differences in abiotic factors vary from each individual community, leading to minor shifts in vegetation composition and structure, but all share similar characteristics. Areas that are in lower topographic positions (microlows) will often support more hydrophytic vegetation whereas areas that are in higher topographic positions (microhighs) will often support less hydrophytic vegetation. In more frequently saturated conditions, swamp laurel oak and swamp tupelo become more abundant. In areas of less frequent saturated conditions, live oak and pine species is better supported.
Due to the high seasonal water table and overall more moist to wet ground conditions of this site, fire is less-prone and not often seen in this site. The general absence of fire and persistence of wetter conditions helps maintain the reference community. In sites that are found within an upland pyrogenic community, fire may be more prone to influencing plant composition by entering and naturally extinguishing itself. Many of the species in this site are tolerant of light ground fires and may burn during a drought period which can serve to assist ecological integrity.
Plant Adaptations
Most of these overstory species have developed anatomically and physiological adaptations to withstand flooding or saturated conditions, allow species and seedlings to remain viable when submerged in water for months. The most common adaptation consists of buttressing of the root system to help support and anchor the tree into the ground.
The dominant overstory species are adapted to low-intensity fires by utilizing persistent root crowns (cabbage palmettos) and rhizomes or insulated meristems (oaks) that will regenerate quickly (1- to 2-years) after a fire event (Van Deelen, 1991; Casey, 1992). Seedlings and sapling sized trees are more susceptible to fire than larger trees due to the thinner bark.
Anthropogenic Disturbances
Landscape level alterations such as creating ditches and canals for changes in land use can alter the water table dynamics of these sites, creating shorter or longer associated hydroperiods (Kambly & Moreland, 2009). Drawdown of the water table may allow for more mesic species such as saw palmetto (Serenoa repens) to become established in the understory. Long term increases in the duration and frequency of surface water in these communities may allow for the growth of cypress species (Taxodium spp.). Extensive landscape drainage due to urban and agricultural development over the past 70 years, many of these areas have been inadvertently altered. The seasonal high-water table in natural sites may support hydric soil indicators and will often be reflected in a dominant understory of hydrophytic species.
In their natural states these sites are poorly suited to cultivated crops due to the wet nature of the soils. These will often require intensive water control systems that are designed to remove excess water in wet seasons and provide subsurface irrigation in dry seasons. With proper water control, the soils are well suited many fruit and vegetable crops following soil improvement and seedbed preparation. These areas are very well suited to pastureland and haylands, requiring simple drainage to remove excess water in times of high rainfall (Florida Legacy Soil Surveys). Spring production of planted forage should be better than either F155XY120FL and F155XY130FL and production of cool season forages should be equal or better than the other sites due to better water holding capacity of the subsoil (Florida Forage Suitability Group G155XB341FL, 2013).State and transition model
More interactive model formats are also available. View Interactive Models
Click on state and transition labels to scroll to the respective textEcosystem states
States 1, 5 and 6 (additional transitions)
States 2, 5 and 6 (additional transitions)
T1A - Land Use Conversion/ Pasture Development T1B - Land Use Conversion / Agricultural Field or Grove Development T1C - Land Use Conversion / Silvicultural Preparation T1D - Introduction & Establishment of Invasive / Non-Native / Undesirable Species T1E - Human Alteration and Human Transportation of Soils Materials R2A - Hydrologic and Vegetation Reestablishment T2A - Managed Grassland or Pasture Conversion / Agricultural Field or Grove Development T2B - Managed Grassland or Pasture Conversion / Silvicultural Preparation T2C - Introduction & Establishment of Invasive / Non-Native / Undesirable Species T2D - Human Alteration and Human Transportation of Soils Materials R3A - Hydrologic and Vegetation Reestablishment T3A - Agricultural Field Conversion/ Pasture Development T3B - Agricultural Field Conversion / Silvicultural Preparation T3C - Introduction & Establishment of Invasive / Non-Native / Undesirable Species T3D - Human Alteration and Human Transportation of Soils Materials R4A - Hydrologic and Vegetation Reestablishment T4A - Silvicultural Stand Conversion/ Pasture Development T4B - Silviculture Stand Conversion / Agricultural Field or Grove Development T4C - Introduction & Establishment of Invasive / Non-Native / Undesirable Species T4D - Human Alteration and Human Transportation of Soils Materials R5A - Removal of Invasive / Non-Native / Undesirable Species R5B - Removal of Invasive / Non-Native / Undesirable Species R5C - Removal of Invasive / Non-Native / Undesirable Species R5D - Removal of Invasive / Non-Native / Undesirable Species T5A - Human Alteration and / or Human Transportation of Soils Materials State 1 submodel, plant communities
1.1A - Overstory Mortality 1.2A - Time State 2 submodel, plant communities
2.1A - Absence of Pasture Management 2.2A - Introduction of Pasture Management Strategies State 3 submodel, plant communities
Communities 1, 5 and 2 (additional pathways)
3.1A - Vegetable Crops to Non-Citrus Fruit and Nut Crops 3.1B - Vegetable Crops to Grasses/ Grain Crops 3.1C - Vegetable Crops to Citrus Crops 3.1D - Field Abandonment 3.2A - Non-Citrus Fruit and Nut Crops to Vegetable Crops 3.2B - Non-Citrus Fruit and Nut Crops to Grasses / Grain Crops 3.2C - Non-Citrus Fruit and Nut Crops to Citrus Crops 3.2D - Field Abandonment 3.3A - Grasses and Grain Crops to Vegetable Crops 3.3B - Grasses and Grain Crops to Non-Citrus Fruits and Nut Crops 3.3C - Grasses and Grain Crops to Citrus Crops 3.3D - Field Abandonment 3.4A - Citrus Crops to Vegetable Crops 3.4B - Citrus Crops to Non-Citrus Fruit and Nut Crops 3.4C - Citrus Crops to Grasses / Grain Crops 3.4D - Citrus Grove Abandonment 3.5A - Field Restoration 3.5B - Field Restoration 3.5C - Field Restoration 3.5D - Citrus Grove Restoration State 4 submodel, plant communities
4.1A - Pine Plantation Preparation State 5 submodel, plant communities
State 6 submodel, plant communities
6.1A - Urbanization 6.2A - Land Reclamation 6.2B - Industrialization / Urbanization to Non-Reclaimed Areas 6.3A - Land Reclamation Loamy and Clayey Hardwood Hammocks STM Key
I. Natural Stable Reference States- the ecological state that is most resistant to change, offers the most options to achieve management objectives, and reflects a defined “natural” disturbance regime.A. Loamy and Clayey Hardwood Hammocks - temperate broad-leaved evergreen hardwoods and palm forests. These forests are often low in height, with a sparse to open understory often subject to flooding conditions. Epiphytes are vastly abundant growing on tree trunks and limbs. Existing understory plants consist of hydrophytic grasses, sedges, and ferns.1 This community consists of a mature mixed hardwood and/ or palm forest with a variable understory typically dominated by palms and ferns on moist surfaces. Vertical structure and species composition of the vegetation will vary considerably from one hammock to another but are all similar in species assemblage. Oak species (Quercus spp.) are often the most dominant overstory species, with cabbage palm (Sabal palmetto) as a codominant.2 This community consists of native shrubs and shrubby trees often found in the reference state. This state is the result of a disturbance to a mature forest, including windthrows, clearcutting, biological influences (insects, fungi), or extensive fires, which may cause overstory mortality creating canopy gaps. The removal of overstory species will allow for light to penetrate the forest floor causing species growth.II. Alternative Ecological States- one of several potential states of an ES that is functionally different from the reference state in terms of important ecological processes, kinds and amounts of ecosystem services, and management requirements.A. Managed Grassland / Pastureland - vegetation cover comprised primarily of introduced or enhanced native forage species that is used for livestock grazing. Pasture vegetation can consist of grasses, legumes, other forbs, shrubs or a mixture. The majority of these forages are introduced, having originally come from areas in other states or continents.1 This phase represents the natural community that has been converted to managed grassland / pastures in excellent conditions2 This phase represent the succession of pastureland and/or open grassland to unmanaged conditionsB. Agricultural Commodities - cultivated crops, aquaculture, and apiculture. Cultivated cropland includes areas used for the production of adapted crops for harvest.1 This phase describes the growth and harvest of vegetables2 This phase describes the growth and harvest of non-citrus fruits and nuts3 This phase describes the growth and harvest of grass-like agricultural products and grain crops used for silage4 This phase describes the growth of citrus crops, dominantly identified as oranges and grapefruit within this ecological site area5 This phase describes the absence of management from agriculture fields, often resulting in overgrowth of woody shrubs and vines as well as invasive weedsC. Silviculture - controlling the establishment, growth, composition, health, and quality of forests and woodlands.1 This community consists of utilizing the natural community for selective logging practices that are minimally invasive to the reference community.2 This community consists of converting a mature hardwood hammock or a selective logging area into a pine plantation.D. Invaded State - consists of Florida Department of Agriculture and Consumer Services (FDACS) Non-Native Category 1 Species list.1 This phase describes the introduction and establishment of invasive species common to this ecological site; Brazilian peppertree (Schinus terebinthifolia) and melaleuca (Melaleuca quinquenervia).E. Human Altered and Human Transported Areas - areas that were intentionally and substantially modified by humans for an intended purpose, commonly for terraced agriculture, building support, mining, transportation, and commerce. The alteration is of sufficient magnitude to result in the introduction of a new parent material (human-transported material) or a profound change in the previously existing parent material (human-altered material).1 Areas that have been modified through anthropogenic means that are restored to a natural or second-hand natural community2 Areas developed for human use. These include a variety of land uses, e.g., inner city or urban core, industrial and residential areas, cemeteries, parks, and other open spaces; the overall function which may benefit the quality of human life3 Areas that have been modified through anthropogenic means that are unable to be restored to a natural or semi-natural community (Active mines / mined areas before Phosphate Land Reclamation Act in 1975)State 1
Loamy and Clayey Hardwood Forests
Figure 7. Loamy and Clayey Hardwood Forest characterized by oak and palms in the overstory with a variable to sparse understory. Slow moving water is present in these communities during the summer months.
This state describes the reference community of temperate broad-leaved evergreen hardwoods and palm forests. Epiphytes are vastly abundant growing on tree trunks and limbs. Existing understory plants consist of hydrophytic grasses, sedges, and ferns.
Community 1.1
Mature Hardwood Forest
Figure 8. Mature Hardwood Forest with a dense overstory of oaks and palms, variable midstory of shrubs and vines, and understory of herbs and downed woody debris.
Figure 9. Mature Hardwood Forest with a dense overstory of oaks and palms, variable midstory of shrubs and vines, and understory of herbs and downed woody debris.
Figure 10. Overstory canopy of broad-leaved evergreen hardwoods and palms forming a closed canopy, creating a shaded understory
Figure 11. Loblolly pine and cabbage palm on a microhigh.
This community consists of a mixed hardwood and/ or palm forest with a variable understory typically dominated by palms and ferns on moist surfaces. Vertical structure and species composition of the vegetation will vary considerably from one hammock to another but are all similar in species assemblage. Oak species (Quercus spp.) are often the most dominant overstory species, with cabbage palm (Sabal palmetto) as a codominant. The understory and ground vegetation are more variable in composition and abundance than the overstory, depending on the flooding duration, frequency, timing, and depth of inundation for species composition.
Forest overstory.The overstory will often be dominated by one or more oak species, cabbage palms, or a combination of these. These species will often form a relatively low, closed canopy, 17 to 21 meters (56 to 68 feet, respectively) in height, with 75 to 90% canopy closure. Small inclusions of sweetgum, red maple, sweetbay, eastern red cedar, and American elm may be common. In micro-highs, sparsely spaced pine species, most common are loblolly pine but slash pine may be present, will form an emergent canopy above the oaks and palms 25 to 35 meters (85 to 115 feet, respectively) in height. Vines and epiphytes are often abundant growing into the overstory.
Forest understory. Young canopy trees are often frequent in the understory, making it difficult to distinguish changes in strata. Dwarf palmetto, vines, or a mixture of shrubs and saplings will often be present in the understory. These shrubs will often be extremely variable in density, and is often sparse, allowing for good visibility. Common shrub species include yaupon, wax myrtle, and dahoon. The ground layer is often sparse to absent and consists of a dense cover of ferns, sedges, grasses, and vines. Much of the understory will be open and covered in downed woody debris and leaf litter, often retaining a high moisture content.
Dominant plant species
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laurel oak (Quercus laurifolia), tree
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live oak (Quercus virginiana), tree
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cabbage palmetto (Sabal palmetto), tree
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American elm (Ulmus americana), tree
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sweetbay (Magnolia virginiana), tree
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sweetgum (Liquidambar styraciflua), tree
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eastern redcedar (Juniperus virginiana), tree
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red maple (Acer rubrum), tree
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water oak (Quercus nigra), tree
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loblolly pine (Pinus taeda), tree
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American beautyberry (Callicarpa americana), shrub
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wax myrtle (Morella cerifera), shrub
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dwarf palmetto (Sabal minor), shrub
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yaupon (Ilex vomitoria), shrub
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dahoon (Ilex cassine), shrub
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woodoats (Chasmanthium), grass
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greenbrier (Smilax), other herbaceous
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summer grape (Vitis aestivalis), other herbaceous
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trumpet creeper (Campsis radicans), other herbaceous
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peppervine (Nekemias arborea), other herbaceous
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Alabama supplejack (Berchemia scandens), other herbaceous
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sedge (Carex), other herbaceous
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maiden fern (Thelypteris), other herbaceous
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cinnamon fern (Osmunda cinnamomea), other herbaceous
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royal fern (Osmunda regalis var. spectabilis), other herbaceous
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toothed midsorus fern (Blechnum serrulatum), other herbaceous
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golden polypody (Phlebodium aureum), other herbaceous
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airplant (Tillandsia), other herbaceous
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shoestring fern (Vittaria lineata), other herbaceous
Community 1.2
Shrub - Scrub ForestThis community consists of native shrubs and shrubby trees often found in the reference state. This state is the result of a disturbance to a mature forest, including windthrows, clearcutting, biological influences (insects, fungi), or extensive fires, which may cause overstory mortality creating canopy gaps. The removal of overstory species will allow for light to penetrate the forest floor causing species growth. Recovery time back to a mature hardwood hammock will be dependent on the intensity of the overstory mortality event as well as influence on natural ecological stressors such as flooding frequency, timing, depth, and duration. With available light in these areas, fast growing species and prolific seeders such as loblolly pine (Pinus taeda) and sweetgum (Liquidambar styraiflua) will often be the first emergent species, transitioning back to a mature hardwood hammock over time (~100 yrs).
Dominant plant species
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loblolly pine (Pinus taeda), tree
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sweetgum (Liquidambar styraciflua), tree
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laurel oak (Quercus laurifolia), shrub
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live oak (Quercus virginiana), shrub
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cabbage palmetto (Sabal palmetto), shrub
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American elm (Ulmus americana), shrub
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sweetbay (Magnolia virginiana), shrub
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eastern redcedar (Juniperus virginiana), shrub
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red maple (Acer rubrum), shrub
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eastern poison ivy (Toxicodendron radicans), other herbaceous
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Alabama supplejack (Berchemia scandens), other herbaceous
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peppervine (Nekemias arborea), other herbaceous
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trumpet creeper (Campsis radicans), other herbaceous
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woodvamp (Decumaria barbara), other herbaceous
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evening trumpetflower (Gelsemium sempervirens), other herbaceous
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greenbrier (Smilax), other herbaceous
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summer grape (Vitis aestivalis), other herbaceous
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muscadine (Vitis rotundifolia), other herbaceous
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airplant (Tillandsia), other herbaceous
Pathway 1.1A
Community 1.1 to 1.2This transition is driven by the mortality of overstory species creating open space for light to reach the forest floor. Mortality may be natural from biological influence (insects, fungal diseases) or mechanical (fire, windthrow, etc.), or may be the result of anthropogenic logging. Selective logging may be minimally invasive and not influence community structure greatly, but clearcutting of a forest and leaving it fallow will create this community.
Pathway 1.2A
Community 1.2 to 1.1This transition is driven by time. Time will allow for hardwood species to grow back into the overstory of same structure and similar composition as a mature hardwood hammock. This is under the assumption natural ecological stressors such as fire and hydroperiods have not been influenced enough to alter the community structure and composition.
State 2
Managed Grassland / PasturePasture is a land use type having vegetation cover comprised primarily of introduced or enhanced native forage species that is used for livestock grazing. Pasture vegetation can consist of grasses, legumes, other forbs, shrubs or a mixture. The majority of these forages are introduced, having originally come from areas in other states or continents. Most are now naturalized and are vital components of pasture based grazing systems. Pasture lands provide many benefits other than forage for livestock. Wildlife use pasture as shelter and for food sources. Well managed pasture captures rainwater that is slowly infiltrated into the soil which helps recharge groundwater. Many small pasture livestock operations are near urban areas providing vistas for everyone to enjoy. It is especially important as livestock managers continues to experience extraordinarily high fuel and other input costs. Overgrazed pastures can lead to soil compaction and numerous bare spots, which may then become focal points of accelerated erosion and colonization sites of undesirable plants or weeds. It is strongly advised that consultation with State Resource Conservationist and District Conservationists at local NRCS Service Centers be sought when assistance is needed in developing management recommendations or prescribed grazing practices. This grassland / pastureland state correlates with the 2013 Florida Forage Suitability Group G155XY341FL (Loamy and Clayey Soils on Flats on Mesic and Hydric Lowlands).
Community 2.1
Bahiagrass – Bermudagrass – Bluestem (FSG341)This community phase represents commonly planted forage species on pasturelands, haylands, and open grasslands found in drained areas of this natural community. The suite of plants established on any given site may vary considerably depending upon purpose, management goals, and usage (e.g., horses vs. cattle). Most systems include a mixture of grasses and legumes that provide forage throughout the growing season. Warm season perennial forage species often include bahiagrass (Paspalum notatum), bermudagrass (Cynodon dactylon), stargrass (Cynodon nlemfuensis), limpograss (Hemarthria altissima), big bluestem (Andropogon gerardii), purple bluestem (Andropogon glomeratus var. glaucopsis), yellow indiangrass (Sorghastrum nutans), lopsided indiangrass (Sorghastrum secundum), switchgrass (Panicum virgatum), eastern gamagrass (Tripsacum dactyloides), rhizoma perennial peanut (Arachis glabrata), and carpon desmodium (Desmodium heterocarpon). Warm season annual forage species often include browntop millet (Urochloa ramosa), pearl millet (Pennisetum glaucum), sorghum (Sorghum bicolor), hairy indigo (Indigofera hirsuta), and aeschynomene (Aeschynomene americana). Cool season annual forage species often include annual ryegrass (Lolium perenne ssp. multiflorum), oat (Avena sativa), rye (Secale cereale), wheat (Triticum aestivum), white clover (Trifolium repens), ball clover (Trifolium nigrescens), berseem clover (Trifolium alexandrinum), and Triticale (x Triticosecale rimpaui). Several additional plants and/or species combinations maybe present depending on the objectives and management approaches of the land manager/owner.
Resilience management. Surface and subsurface texture ranges predominantly from sand to clay and depth to fine textured material is less than 20 inches. Spring production should be better than other ecological site concepts often found in similar landscape positions with different soils due to better water holding capacity, particularly in the southern half of the MLRA where temperatures should not be limiting to warm season grass growth. Use of cool season forages such as annual ryegrass, oats, and wheat planted in a prepared seedbed should be equal to or better than other sites found in similar landscape positions but different soil textures due to the better water holding capacity of the subsoil. Limited and sporadic rainfall during fall and winter months, particularly in the southern half of this MLRA, will still limit use of cool season annuals. Additionally in the southern portion of the MLRA, warm temperatures persisting into the fall and returning quickly in the spring greatly shorten the production period for cool season forages. Thus, in the southern portion of the MLRA, cool season forages generally will still only produce sufficient winter grazing in years with average rainfall for specialized management uses such as creep grazing, early weaning, or purebred operations. While in more northerly locations in the MLRA, planting winter annual forages for use as a winter feed supply for the whole cow herd should be practical most years. In years of above average winter rainfall (El Niño winters), cool season forage growth may be limited on this site throughout the MLRA due to saturated soil conditions. Overseeding annual ryegrass on a bahiagrass pasture should be practical in this state throughout the MLRA. For similar reasons, winter legumes should be more productive, particularly in the northern portion of the MLRA during years of normal winter rainfall. White clover, ball clover, and berseem clover should be considered on this site, particularly in the northern half of the MLRA. Although in years with above normal winter rainfall (El Niño winters), high water table may reduce clover yield. Grazing management and fertilization need to favor the legume component for persistence, productivity, and seed production when natural reseeding of annual clovers is desired. Grazing management for seed production also is important for white clover normally considered a perennial species, but functions more as an annual in Florida and thus is heavily dependent upon reseeding to persist. Due to bloat issue, clovers should be used only in mixtures with cool season grasses, over seeded on bahiagrass pastures when grazed, or when bloat preventative supplements are fed. Initial growth of perennial warm season grasses and legumes or establishment of warm season annual grasses may be delayed in the spring due to low rainfall. Better water holding capacity of the subsoil should mitigate the effects of the typical April/May dry period. Once normal summer rainfall begins, plant production should resume. Warm season legumes such as aeschynomene and carpon desmodium can also be oversown onto warm season grasses in this site, although fertilization (no N fertilizer) and grazing management needs to favor legume establishment and persistence. Additional lime may be needed to maintain a pH of 5.5 to 6.0. Improved grass varieties such as stargrass and limpograss may also be grown on these soils although stargrass is generally limited to the part of the MLRA south of the US I-4 corridor. Limpograss should be limited to soils where drainage has not been altered. Only bermudagrass cultivars known to be tolerant of saturated soil conditions should be used in this state.
Dominant plant species
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bahiagrass (Paspalum notatum), grass
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Bermudagrass (Cynodon dactylon), grass
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African Bermudagrass (Cynodon nlemfuensis), grass
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limpograss (Hemarthria altissima), grass
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big bluestem (Andropogon gerardii), grass
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purple bluestem (Andropogon glaucopsis), grass
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Indiangrass (Sorghastrum nutans), grass
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lopsided Indiangrass (Sorghastrum secundum), grass
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switchgrass (Panicum virgatum), grass
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eastern gamagrass (Tripsacum dactyloides), grass
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browntop millet (Urochloa ramosa), grass
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pearl millet (Pennisetum glaucum), grass
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sorghum (Sorghum bicolor), grass
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Italian ryegrass (Lolium perenne ssp. multiflorum), grass
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common oat (Avena sativa), grass
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cereal rye (Secale cereale), grass
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common wheat (Triticum aestivum), grass
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triticale (Triticosecale rimpaui), grass
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rhizoma peanut (Arachis glabrata), other herbaceous
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carpon desmodium (Desmodium heterocarpon var. heterocarpon), other herbaceous
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shyleaf (Aeschynomene americana), other herbaceous
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hairy indigo (Indigofera hirsuta), other herbaceous
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white clover (Trifolium repens), other herbaceous
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small white clover (Trifolium nigrescens), other herbaceous
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Egyptian clover (Trifolium alexandrinum), other herbaceous
Community 2.2
Dogfennel – Bunchgrass– Wax Myrtle (Unmanaged)This phase represents the succession of pastureland and/or open grassland to unmanaged conditions. The stage of this phase is the transitional period between a predominaely open, herbaceous field and the shrub thicket phase. Duration of this phase is dependent on former and future management, use, and impacts. The early pioneer shrub thicket phase will be dependent on the available seedbank present. This unmanaged phase will most often consist of the shrub wax myrtle (Morella cerifera) and dogfennel (Eupatorium capillifolium), an aggressive native perennial that is characteristic of unimproved, unmanaged, or overgrazed pastures, where it adds the decline of forage yield and quality. Pasture grass present will enter a reproductive phase and have woody stems that are undesirable forage species. Other undesirable species may be present in this community that have not been mentioned,
Dominant plant species
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wax myrtle (Morella cerifera), shrub
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dogfennel (Eupatorium capillifolium), grass
Pathway 2.1A
Community 2.1 to 2.2This pathway occurs when pasture management activities include overgrazing, overstocking, etc., natural succession of the once managed site leads to this stage.
Pathway 2.2A
Community 2.2 to 2.1This pathway represents renovation of the unmanaged condition back to managed rangeland in excellent condition. Management activities likely include mechanical removal of the larger, woody vegetation followed by herbicide treatment and establishment of desired seeding mixtures, and correcting grazing management plans.
State 3
Agricultural CommoditiesThe agriculture industry includes cultivated crops, aquaculture, and apiculture. Cultivated cropland includes areas used for the production of adapted crops for harvest. These areas comprise of land in row crops or close-grown crops that are in a rotation with row or close-grown crops. Primary exports from Florida consist of fruits, greenhouse and nursery products, sugar cane, and the signature export of citrus. Aquaculture includes the cultivation and maintenance of aquatic plants, aquatic reptiles, crustaceans, food/ ornamental fish, shellfish, and other miscellaneous species for harvesting. Apiculture includes the maintenance of honeybees and hives to provide beeswax, honey/ other edible bee products, crop pollination services, and sales of bees to other beekeepers. These areas have been modified resulting in land clearing practices and hydrologic management to fit the growers needs. It is strongly advised that consultation with State Agronomist and District Conservationists at local NRCS Service Centers be sought when assistance is needed in developing management recommendations.
Resilience management. Major natural resource concerns facing cropland include: (1) erosion by wind and water, (2) maintaining and enhancing soil quality, (3) water quality from nutrient and pesticides runoff and leaching, and (4) managing the quantity of water available for irrigation. For more specific information regarding cropland please contact your local NRCS office.
Community 3.1
VegetablesThis phase describes the growth and harvest of vegetables. Land conversion may be necessary to create fields suitable for crop growth. Common vegetables grown in these soils include Cabbage, Cucumbers, Peppers, Irish Potatoes, Summer Squash, and Tomatoes. Due to the year-round warm climate Florida has, vegetables can often be harvested in both winter and summer seasons.
Resilience management. Selection of species and varieties is critical for vegetable production, as plants that are not adapted to local conditions will generally fail to produce regardless of how much care and attention they receive. Weather is perhaps the single most important factor that determines where crops can be grown. Winters may be too cold for some vegetables or too short for others. Still other crops may suffer from summer's heat and humidity. Consequently, species and varieties should be chosen on the basis of historical weather patterns. It is strongly advised that consultation with State Agronomist and District Conservationists at local NRCS Service Centers be sought when assistance is needed in developing management recommendations.
Community 3.2
Non-Citrus Fruits and NutsThis phase describes the growth and harvest of fruits. Land conversion may be necessary to create fields suitable for crop growth. Common fruits grown in these soils include Strawberries and Watermelons. Due to the year-round warm climate Florida has, fruits can often be harvested in both winter and summer seasons.
Resilience management. Selection of species and varieties is critical for fruit production, as plants that are not adapted to local conditions will generally fail to produce regardless of how much care and attention they receive. Weather is perhaps the single most important factor that determines where fruit crops can be grown. Winters may be too cold for some fruit or too short for others. Still other fruit may suffer from summer's heat and humidity. Consequently, species and varieties of fruits should be chosen on the basis of historical weather patterns. It is strongly advised that consultation with State Agronomist and District Conservationists at local NRCS Service Centers besought when assistance is needed in developing management recommendations.
Community 3.3
Grasses / Grain CropsThis phase describes the growth and harvest of grass-like agricultural products and grain crops used for silage. Land conversion may be necessary to create fields suitable for crop growth. Common species grown in these soils include Corn, Sweet Corn, Grain Sorghum, Improved Bermudagrass Hay, Sorghum Silage, and Sugarcane. Due to the year-round warm climate Florida has, these species can often be grown and harvested in both winter and summer seasons.
Resilience management. Selection of species and varieties is critical for grass and grain production, as plants that are not adapted to local conditions will generally fail to produce regardless of how much care and attention they receive. Weather is perhaps the single most important factor that determines where fruit crops can be grown. Winters may be too cold for some crops or too short for others. Still other crops may suffer from summer's heat and humidity. Consequently, species and varieties of crop should be chosen on the basis of historical weather patterns. It is strongly advised that consultation with State Agronomist and District Conservationists at local NRCS Service Centers be sought when assistance is needed in developing management recommendations.
Community 3.4
Citrus FruitsThis phase describes the growth of citrus crops, dominantly identified as oranges and grapefruit within this ecological site area. This phase differs from other fruits and tree crops due to the intensive management and care needed for citrus groves. Citrus is one of the highest commercial agriculture products in the state of Florida.
Resilience management. Management should be based off individual groves, as different areas will require different management. It is strongly advised that consultation with State Agronomist and District Conservationists at local NRCS Service Centers be sought when assistance is needed in developing management recommendations.
Community 3.5
Abandoned Agriculture Fields/ GrovesThis phase describes the absence of management from agriculture fields, often resulting in overgrowth of woody shrubs and vines as well as invasive weeds. This community may occur when producers abandon a field due to any number of reasons. Many fields in the first seasons of abandonment will remain fallow until weedy and shrubby species become dominant. With proper management this community has the potential to support agricultural commodities.
Pathway 3.1A
Community 3.1 to 3.2The conversion from vegetable crops to non-citrus fruit and nut crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.1B
Community 3.1 to 3.3The conversion from vegetable crops to grasses/ grain crop would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.1C
Community 3.1 to 3.4The conversion from vegetable crops to citrus crop would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.1D
Community 3.1 to 3.5Many fields become abandoned when a producer doesn't maintain and harvest crops against pests, diseases, rising costs of labor, or any other reason that will lead to field abandonment.
Pathway 3.2A
Community 3.2 to 3.1The conversion from non-citrus fruit and nut crops to vegetable crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.2B
Community 3.2 to 3.3The conversion from non-citrus fruit and nut crops to grasses / grain crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.2C
Community 3.2 to 3.4The conversion from non-citrus fruit and nut crops to citrus crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.2D
Community 3.2 to 3.5Many fields become abandoned when a producer doesn't maintain and harvest crops against pests, diseases, rising costs of labor, or any other reason that will lead to field abandonment.
Pathway 3.3A
Community 3.3 to 3.1The conversion from grasses and grain crops to vegetable crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.3B
Community 3.3 to 3.2The conversion from grasses and grain crops to non-citrus fruit and nut crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.3C
Community 3.3 to 3.4The conversion from grasses and grain crops to citrus crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.3D
Community 3.3 to 3.5Many fields become abandoned when a producer doesn't maintain and harvest crops against pests, diseases, rising costs of labor, or any other reason that will lead to field abandonment.
Pathway 3.4A
Community 3.4 to 3.1The conversion from citrus crops to vegetable crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.4B
Community 3.4 to 3.2The conversion from citrus crops to non-citrus fruit and nut crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.4C
Community 3.4 to 3.3The conversion from citrus crops to grasses / grain crops would require, if applicable, the harvest of the crop before converting the land for the desired crop production. Mechanical ground preparation and chemical applications may be needed to create the desired land use conditions for the new crop.
Pathway 3.4D
Community 3.4 to 3.5Many fields become abandoned when a producer doesn't maintain and harvest crops against pests, diseases, rising costs of labor, or any other reason that will lead to field abandonment. Major diseases affecting citrus groves include citrus canker, an infection that causes lesions on the leaves, stems and fruits of citrus crops, as well as citrus greening, often spread by the Asian citrus psyllid, a sap-sucking hemipteran bug that causes trees to produce fruits that are green, misshapen and bitter, and unsuitable for sale as fresh fruit or juice.
Pathway 3.5A
Community 3.5 to 3.1The restoration of an abandoned field or grove to an active agriculture field often includes removal of the abandoned crop and weeds, converting the land if necessary, and replanting of desired species. Abandoned citrus groves that get converted to agriculture fields will often need complete removal of the citrus tree and the land to be flattened from furrows present in citrus groves. Once removal of undesirable species is complete and the land is converted to a flat field (if necessary), and new seedlings are planted, maintenance is required to keep the crop healthy until harvest.
Pathway 3.5B
Community 3.5 to 3.2The restoration of an abandoned field or grove to an active agriculture field often includes removal of the abandoned crop and weeds, converting the land if necessary, and replanting of desired species. Abandoned citrus groves that get converted to agriculture fields will often need complete removal of the citrus tree and the land to be flattened from furrows present in citrus groves. Once removal of undesirable species is complete and the land is converted to a flat field (if necessary), and new seedlings are planted, maintenance is required to keep the crop healthy until harvest.
Pathway 3.5C
Community 3.5 to 3.3The restoration of an abandoned field or grove to an active agriculture field often includes removal of the abandoned crop and weeds, converting the land if necessary, and replanting of desired species. Abandoned citrus groves that get converted to agriculture fields will often need complete removal of the citrus tree and the land to be flattened from furrows present in citrus groves. Once removal of undesirable species is complete and the land is converted to a flat field (if necessary), and new seedlings are planted, maintenance is required to keep the crop healthy until harvest.
Pathway 3.5D
Community 3.5 to 3.4The restoration of an abandoned field or grove to an active citrus grove often includes removal of the abandoned crop and weeds and replanting of desired species. In citrus groves removal of abandoned citrus trees are often either completely pulled out of the ground or cut to the stump and new seedlings are planted next to the cut stumps. Once removal of undesirable species is complete and new resets are planted, maintenance is required to keep the crop healthy until harvest.
State 4
SilvicultureThis state is important and used by silviculturists, landowners, land managers, and the public/private industry. Silviculture is land used in controlling the establishment, growth, composition, health, and quality of forests and woodlands to meet the diverse needs and values of landowners and society such as wildlife habitat, timber, water resources, restoration, and recreation on a sustainable basis. These are forestry practices that include thinning, harvesting, planting, pruning, prescribed burning and site preparation, for managed goals such as wildlife habitat creation or harvesting. Many managed silvicultural lands in Florida include tree plantations for growth of tropical ornamental species such as palms; and lumber, pulp, and paper species such as loblolly pine, longleaf pine, oak, and sweetgum.
Resilience management. This state is managed by silviculture prescriptions that will vary based on individual forest stand and management goals.
Community 4.1
Natural Community Selective LoggingThis community consists of utilizing the natural community for selective logging practices that are minimally invasive to the reference community. This was common in the early and mid-1800s when live oak was highly valued for ship building. The most logged species from these communities often include live oak, eastern red cedar, and sweetgum. Palms are not typically harvested. This type of logging is minimally invasive due to the selective cuts made and maintenance of the natural hydroperiod of the system and community structure.
Community 4.2
High Graded Planted Pine PlantationThis community consists of converting a mature hardwood hammock or a selective logging area into a pine plantation. Soil damage caused by site preparation and logging is detrimental to the natural community, creating ruts and canals that increase surface runoff water and soil erosion. Loblolly pine (Pinus taeda) is best suited to the loamy and clayey soils present on these sites but may support slash pine (P. densa) or longleaf pine (P. palustris) in better drained areas. Loblolly is often harvested at 15 years for pulpwood or greater than 20 years for timber. Propagation of these species are by seed. Some of these tree’s pests are pine bark beetles, borers, pine tip moths, and sawflies, and are susceptible to fusiform rust and heart rot.
Pathway 4.1A
Community 4.1 to 4.2This transition is driven by the silviculture preparation of clearing the natural community in its entirety of its vegetation and altering the land for a highly graded pine plantation. This may include drawdown of the water table via irrigation ditches or bedding to prepare a system for pine planting.
State 5
Invaded StateThis state represents the dominance of one or multiple non-native or exotic species which outcompetes the native natural community and may significantly alter the composition and structure of the invaded stand by overshading the canopy and understory components and preventing regeneration of native species.
Community 5.1
Melaleuca – Brazilian PeppertreeThis phase describes the introduction and establishment of invasive species common to this ecological site; Brazilian peppertree (Schinus terebinthifolia) and melaleuca (Melaleuca quinquenervia). These are fire tolerant shrubs (Brazilian peppertree) and trees (Melaleuca) that will outcompete native plants of this ecological site. These species are adapted to the stressors common in hardwood hammock systems, including the seasonal high-water tables and infrequent fire. Other undesirable species may be present in this community that have not been mentioned,
Resilience management. Restoring native habitat may be very difficult with these species. Specific management plans may be required to identify and manage these species. It is strongly advised that consultation with State Resource Conservationist and District Conservationists at local NRCS Service Centers be sought when assistance is needed in developing management recommendations or invasive control practices.
Dominant plant species
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punktree (Melaleuca quinquenervia), tree
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Brazilian peppertree (Schinus terebinthifolius), shrub
State 6
Human Altered and Human Transported AreasThese areas include soils that were intentionally and substantially modified by humans for an intended purpose, commonly for terraced agriculture, building support, mining, transportation, and commerce. The alteration is of sufficient magnitude to result in the introduction of anew parent material (human-transported material) or a profound change in the previously existing parent material (human-altered material).They do not include soils modified through standard agricultural practices or farmed soils with unintended wind and water erosion. When a soil is on or above an anthropogenic landform or microfeature, it can be definitely be associated with human activity and is assigned to a unique taxa, usually found as an "Urban land complex" within that communities' natural soil properties (e.g, Tuscawilla fine sand-Urban land complex, 0 to 2 percent slopes).
Characteristics and indicators. Evidence of these areas include soils with manufactured items (e.g. artifacts) present in the profile, human altered-materials (e.g., deeply excavated or deeply plowed soil) or human-transported material (e.g., fill), and position on or above anthropogenic landforms (e.g., flood-control levees) and microfeatures (e.g., drainage ditches). Detailed criteria regarding the identification of anthropogenic (artificial) landforms, human-altered materials, and human-transported material are in the "Keys to Soil Taxonomy" (Soil Survey Staff, 2014).
Community 6.1
Reclaimed AreasReclaimed areas are areas that have been modified through anthropogenic means that are restored to a natural or second-hand natural community. Areas that can be reclaimed are any intensity urban areas and may be required to be reclaimed after urban use (e.g., active mines must be reclaimed). These practices include the identification, removal, and stockpiling soil materials before altering the land, and revegetation and replacement of soil materials after altering the land. This also applies to nearby urban areas that have been adversely affected by the anthropogenic activities.
Community 6.2
Urban AreasThis urban community consists of development for human use. Urban areas include a variety of land uses, e.g., inner city or urban core, industrial and residential areas, cemeteries, parks, and other open spaces; the overall function which may benefit the quality of human life. These often form an urban soil mosaic, where the natural landscape has been fragmented into parcels with distinctive disturbance and management regimes and, as a result, distinctive characteristic soil properties.
Resilience management. Within this community there are three different levels of urbanization, based off population dynamics, residential density, and intensity of development. These are labeled as low-intensity, medium-intensity, and high-intensity urban areas, which can eventually be split apart into its own separate state. Low-intensity urban areas may consist of single dwelling homes with little impact on the surrounding community which still somewhat represents the natural community (e.g., represents natural landscape, hydrology, and vegetation) , other examples of this are urban parks, cemeteries, or campgrounds with little urban development. Medium-intensity urban areas consist of larger urban dwellings with some natural features but have been modified to meet urban needs (e.g., towns). High-intensity urban areas are areas of heavily modified areas with complete alterations of the natural landscape, hydrology, and vegetation to support a very large population, which once constructed is permanently altered (e.g., metropolis areas/ active mines).
Community 6.3
Non-Reclaimed AreasNon-reclaimed areas are areas that have been modified through anthropogenic means that are unable to be restored to a natural or semi-natural community. Areas that cannot be reclaimed are areas under active mining status (phosphate, sand, or gravel mines)or mined areas before the Phosphate Land Reclamation Act in 1975, which leaves shut down operations alone. These areas also include fallow mines that have been flooded and are now permanent bodies of water.
Pathway 6.1A
Community 6.1 to 6.2This transition is driven by clearing and developing the land for low-, medium-, or high-intensity urban areas.
Pathway 6.2A
Community 6.2 to 6.1This transition is driven by the revegetation, reestablished hydrology, and replacement of displaced soil materials after urbanization of the land.
Pathway 6.2B
Community 6.2 to 6.3This transition is driven by heavy industrial or urban development which causes the land to become non-reclaimable. This transition is rare due to the many environmental laws and regulations that must be followed when developing land.
Pathway 6.3A
Community 6.3 to 6.1This transition is driven by the revegetation, reestablished hydrology, and replacement of displaced soil materials after urbanization of the land.
Transition T1A
State 1 to 2Actions required to convert native habitat to pasture for forage production include herbicide application, seedbed preparation, and the establishment of desired plants. Decisions to convert native land to pastureland on this site should be made carefully and continuously evaluated before, during, and after conversion activities. This site is extremely susceptible to soil compaction and erosion. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T1B
State 1 to 3Actions required to convert native habitat to agricultural land include herbicide application, seedbed preparation, and the establishment of desired plants. Decisions to convert native land to agriculture on this site should be made carefully and continuously evaluated before, during, and after conversion activities. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T1C
State 1 to 4This pathway consists of prescribed silvicultural activities specifically designed to meet stand compositional and production objectives. Decisions to convert native land to silviculture on this site should be made carefully and continuously evaluated before, during, and after conversion activities.
Transition T1D
State 1 to 5This transition represents proliferation and dominance of an invasive species. Soil mechanical disturbances can compound this effect and create suitable conditions for invasive species.
Transition T1E
State 1 to 6This transition is driven by the alteration and/ or transportation of soil materials via anthropogenic means.
Restoration pathway R2A
State 2 to 1This mechanism is driven by restoring natural hydrologic flow to the area (dependent on level of alteration) to meet the natural hydroperiod once supported by these communities. This can be done via blocking or filling in previously made ditches used to drain and channelize water flow out of the system for agricultural purposes. Other management practices such as replanting native grasses, shrubs, and trees must be implemented to return the to the natural state. Local site conditions and disturbances may determine existing plant seed banks and community composition of managed fields. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T2A
State 2 to 3Actions required to convert a managed grassland/ pasture to agricultural land include herbicide application, seedbed preparation, and the establishment of desired plants. Decisions to convert a managed grassland/ pasture to agriculture on this site should be made carefully and continuously evaluated before, during, and after conversion activities. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T2B
State 2 to 4This pathway consists of prescribed silvicultural activities specifically designed to meet stand compositional and production objectives. Decisions to convert managed grassland/ pastures to silviculture on this site should be made carefully and continuously evaluated before, during, and after conversion activities.
Transition T2C
State 2 to 5This transition represents proliferation and dominance of an invasive species. Soil mechanical disturbances can compound this effect and create suitable conditions for invasive species.
Transition T2D
State 2 to 6This transition is driven by the alteration and/ or transportation of soil materials via anthropogenic means.
Restoration pathway R3A
State 3 to 1This mechanism is driven by restoring natural hydrologic flow to the area (dependent on level of alteration) to meet the natural hydroperiod once supported by these communities. This can be done via blocking or filling in previously made ditches used to drain and channelize water flow out of the system for agricultural purposes. Other management practices such as replanting native grasses, shrubs, and trees must be implemented to return the to the natural state. Local site conditions and disturbances may determine existing plant seed banks and community composition of managed fields. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T3A
State 3 to 2Actions required to convert active agricultural fields to pasture for forage production include herbicide application, seedbed preparation, and the establishment of desired plants. Decisions to convert active agricultural fields to pastureland on this site should be made carefully and continuously evaluated before, during, and after conversion activities. This site is extremely susceptible to soil compaction and erosion. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T3B
State 3 to 4This pathway consists of prescribed silvicultural activities specifically designed to meet stand compositional and production objectives. Decisions to convert active agricultural fields to silviculture on this site should be made carefully and continuously evaluated before, during, and after conversion activities.
Transition T3C
State 3 to 5This transition represents proliferation and dominance of an invasive species. Soil mechanical disturbances can compound this effect and create suitable conditions for invasive species.
Transition T3D
State 3 to 6This transition is driven by the alteration and/ or transportation of soil materials via anthropogenic means.
Restoration pathway R4A
State 4 to 1This mechanism is driven by restoring natural hydrologic flow to the area (dependent on level of alteration) to meet the natural hydroperiod once supported by these communities. This can be done via blocking or filling in previously made ditches used to drain and channelize water flow out of the system for agricultural purposes. Other management practices such as replanting native grasses, shrubs, and trees must be implemented to return the to the natural state. Local site conditions and disturbances may determine existing plant seed banks and community composition of managed stands. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T4A
State 4 to 2Actions required to convert silvicultural stands to pasture for forage production include herbicide application, seedbed preparation, and the establishment of desired plants in the understory. Overstory managed trees may remain as long as there is enough light for grasses and herbaceous species to grow. Decisions to convert silvicultural stands to pastureland on this site should be made carefully and continuously evaluated before, during, and after conversion activities. This site is extremely susceptible to soil compaction and erosion. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T4B
State 4 to 3Actions required to convert a silvicultural stand to agricultural land include harvesting of silvicultural species, herbicide application, seedbed preparation, and the establishment of desired plants. Decisions to convert a silvicultural stand to agriculture on this site should be made carefully and continuously evaluated before, during, and after conversion activities. The decision to proceed with this action should be done so in close communication with and guidance from local NRCS Service Centers.
Transition T4C
State 4 to 5This transition represents proliferation and dominance of an invasive species. Soil mechanical disturbances can compound this effect and create suitable conditions for invasive species.
Transition T4D
State 4 to 6This transition is driven by the alteration and/ or transportation of soil materials via anthropogenic means.
Restoration pathway R5A
State 5 to 1The establishment of, or a return to, natural habitat conditions following a previous invasive / non-native / undesirable species infestation may be possible in some areas. Successful actions will require relentless efforts that include removal of the species via chemical or mechanical or biological means. In some extreme cases, restoration attempts could result in greater erosion and worsening of local conditions. Please consult with District and Soil Conservationists at local NRCS Field Offices for advice and guidance on land restoration attempts on invaded areas.
Restoration pathway R5B
State 5 to 2The establishment of, or a return to, altered land use conditions following a previous invasive / non-native / undesirable species infestation may be possible in some areas. Successful actions will require relentless efforts that include removal of the species via chemical or mechanical or biological means. In some extreme cases, restoration attempts could result in greater erosion and worsening of local conditions. Please consult with District and Soil Conservationists at local NRCS Field Offices for advice and guidance on land restoration attempts on invaded areas.
Restoration pathway R5C
State 5 to 3The establishment of, or a return to, altered land use conditions following a previous invasive / non-native / undesirable species infestation may be possible in some areas. Successful actions will require relentless efforts that include removal of the species via chemical or mechanical or biological means. In some extreme cases, restoration attempts could result in greater erosion and worsening of local conditions. Please consult with District and Soil Conservationists at local NRCS Field Offices for advice and guidance on land restoration attempts on invaded areas.
Restoration pathway R5D
State 5 to 4The establishment of, or a return to, altered land use conditions following a previous invasive / non-native / undesirable species infestation may be possible in some areas. Successful actions will require relentless efforts that include removal of the species via chemical or mechanical or biological means. In some extreme cases, restoration attempts could result in greater erosion and worsening of local conditions. Please consult with District and Soil Conservationists at local NRCS Field Offices for advice and guidance on land restoration attempts on invaded areas.
Transition T5A
State 5 to 6This transition is driven by the alteration and/ or transportation of soil materials via anthropogenic means.
Additional community tables
Table 7. Community 1.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 8. Community 1.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 9. Community 2.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 10. Community 2.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 11. Community 3.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 12. Community 3.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 13. Community 3.3 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 14. Community 3.4 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 15. Community 3.5 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 16. Community 4.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 17. Community 4.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 18. Community 5.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 19. Community 6.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 20. Community 6.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 21. Community 6.3 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Interpretations
Animal community
These communities are important to many animal species, some use it as passageways in route to their preferred habitat, while some use it as critical shelter and food sources for part or all of their life cycle. Common species that may be present in this community include:
Reptiles / Amphibians: Southern black racer (Coluber constrictor priapus), rat snake (Pantherophis alleghaniensis), Southern ringneck snake (Diadophis punctatus) Florida box turtle (Terrapene carolina bauri ), green anole ( Anolis carolinensis), ground skink (Scincella lateralis ), green treefrog (Hyla cinerea ), and narrow-mouth toad (Gastrophryne carolinensis ). Crawfish (Procambarus geodytes) are primary burrowers which may exist in these habitats.
Birds: red shouldered hawk ( Buteo lineatus), barred owl ( Strix varia), red-bellied woodpecker (Melanerpes carolinus ), pileated woodpecker (Dryocopus pileatus ), northern flicker (Colaptes auratus ), American crow (Corvus brachyrhynchos ), fish crow (Corvus ossifragus ), blue jay (Cyanocitta cristata ), Carolina wren (Thryothorus ludovicianus ), tufted titmouse (Baeolophus bicolor ), Carolina chickadee (Poecile carolinensis ), and northern cardinal ( Cardinalis cardnalis) are the most common year-round residents. The most common summer residents are the great crested flycatcher (Myiarchus crinitus), northern Parula warbler (Setophaga americana), and summer tanager (Piranga rubra). The most common winter residents are the eastern phoebe (Sayornis phoebe), American robin (Turdus migratorius), house wren (Troglodytes aedon), ruby-crowned kinglet (Regulus calendula), yellow-rumped warbler (Setophaga coronate), American goldfinch (Spinus tristis), and white-throated sparrow (Zonotrichia albicollis).
Mammals: Nine-banded armadillo (Dasypus novemcinctus ), Virginia opossum (Didelphis virginiana ), Eastern cottontail (Sylvilagus floridanus ), Marsh rabbit ( S. palustris), Gray squirrel (Sciurus carolinensis), Raccoon (Procyon lotor), Florida panther (Felis concolor coryi), White-tailed deer (Odocoi1eus virginianus), and Evening bat (Nycticeius humeralis). The non-native wild hog (Sus scrofa) will often utilize these areas for habitat and forage, often creating large areas of rutting.Hydrological functions
Water in this community typically begins to collect at the beginning of the wet season (June to September) and may flood anytime in the season. Towards the end of the wet season water begins to slowly flow out of the hammock and can be dry for the remainder of the year. The main driver for flooding is due to the amount of rainfall during the wet season, the amount of water directly and indirectly entering the system is greater than the system’s ability to percolate through the limestone. During heavy rains, sheet flow movement is slowed across the forested floor of a hammock due to the canopy and forest floor acting to reduce soil erosion.
Recreational uses
These areas are frequently used for recreation, with most common uses including hiking and birdwatching. Hunting may be allowed in select areas (contact local agency / private landowner for accessibility) and include game species such as squirrel, rabbits, white-tailed deer, and hogs. To hunt you must possess the appropriate license and permits, during scheduled hunt days, all visitors are encouraged to wear a daylight fluorescent orange shirt, vest, jacket, and / or hat for their own safety. Representative sites used for recreation in this MLRA include Highland Hammocks State Park (Florida State Parks, Highlands County), Turnbull Creek Conservation Area (Florida Fish and Wildlife Service, Volusia County), Myakka River State Park (Florida State Parks, Sarasota County), and Caloosahatchee Regional Park (Lee County).
Wood products
Many forests have been selectively logged for mature oak and other canopy dominant trees, which varies in intensity and scale depending on the size of the hammocks. In the early to mid-1800s logging of oaks from hammocks were highly sought out for shipbuilding. These areas are susceptible to conversion to pine plantations, creating runs and canals that increase surface water runoff and soil erosion.
Supporting information
Inventory data references
Information presented was derived from NRCS clipping data, current and historical literature, field observations, and personals contacts with local, state and federal partners. This is a provisional level ESD and is subject to change as more information becomes available, for any questions please contact your local NRCS office.
References
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. 2021 (Date accessed). USDA PLANTS Database. http://plants.usda.gov.
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. 1998. NRCS National Forestry Manual.
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Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of wetlands and deep water habitats of the United States.. U.S. Dept. of Interior, Fish & Wildlife Service, Office of Biological Services, Washington DC. FWS/OBS-79/31 1–142.
Other references
Carey, Jennifer, H. 1992. Quercus virginiana. In: Fire Effects Information System, [Online].
U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station,
Fire Sciences Laboratory (Producer). Available:
https://www.fs.usda.gov/database/feis/plants/tree/quevir/all.html [2023, October 11].
Florida Natural Areas Inventory (FNAI). 2010. Guide to the natural communities of Florida: 2010 edition. Florida Natural Areas Inventory, Tallahassee, FL
Florida Chapter Soil and Water Conservation Society. 1989. 26 Ecological Communities of Florida
Kambly, S., and Moreland, T.R., 2009, Land cover trends in the Southern Florida Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2009–5054, 16 p.
McNab, W.H.; Cleland, D.T.; Freeouf, J.A.; Keys, Jr., J.E.; Nowacki, G.J.; Carpenter, C.A., comps. 2007. Description of ecological subregions: sections of the conterminous United States [CD-ROM]. Gen. Tech. Report WO-76B. Washington, DC: U.S. Department of Agriculture, Forest Service. 80 p
Quarterman, E., & Keever, C. 1962. Southern mixed hardwood forest: climax in the southeastern coastal plain, USA. Ecological Monographs, 32(2), 167-185.
Schoeneberger, P.J., and Wysocki, D.A. 2017. Geomorphic Description System, Version 5.0. Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE.
Scott, T. M. 2001. Text to accompany the geologic map of Florida. Florida Geologic Survey, Tallahassee, Florida.
Simons, R. W., Vince, S. W., & Humphrey, S. R. 1989. Hydric hammocks: A guide to management. Fish and Wildlife Service, US Department of the Interior.
Stalter, R., Dial, S., & Laessle, A. 1981. Some ecological observations of the arborescent vegetation in Highlands Hammock State Park, Florida. Castanea, 30-35.
Turnbull Hammock Conservation Area. Land Management Plan. 2007. Indian River Lagoon Basin, Volusia County. St. Johns River Water Management District Governing Board.
Van Deelen, Timothy R. 1991. Sabal palmetto. In: Fire Effects Information System, [Online].
U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station,
Fire Sciences Laboratory (Producer). Available:
https://www.fs.usda.gov/database/feis/plants/tree/sabpal/all.html [2023, October 11].
Wilkins, R. N., Marion, W. R., Neary, D. G., & Tanner, G. W. 1993. Vascular plant community dynamics following hexazinone site preparation in the lower Coastal Plain. Canadian Journal of Forest Research, 23(10), 2216-2229.
Weller, J. D. 1995. Restoration of a south Florida forested wetland. Ecological Engineering, 4(2), 143-151.Contributors
Jack Ferrara, USDA-NRCS
Approval
Matthew Duvall, 4/14/2025
Rangeland health reference sheet
Interpreting Indicators of Rangeland Health is a qualitative assessment protocol used to determine ecosystem condition based on benchmark characteristics described in the Reference Sheet. A suite of 17 (or more) indicators are typically considered in an assessment. The ecological site(s) representative of an assessment location must be known prior to applying the protocol and must be verified based on soils and climate. Current plant community cannot be used to identify the ecological site.
Author(s)/participant(s) Contact for lead author Date 04/14/2025 Approved by Approval date Composition (Indicators 10 and 12) based on Annual Production Indicators
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Number and extent of rills:
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Presence of water flow patterns:
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Number and height of erosional pedestals or terracettes:
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Bare ground from Ecological Site Description or other studies (rock, litter, lichen, moss, plant canopy are not bare ground):
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Number of gullies and erosion associated with gullies:
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Extent of wind scoured, blowouts and/or depositional areas:
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Amount of litter movement (describe size and distance expected to travel):
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Soil surface (top few mm) resistance to erosion (stability values are averages - most sites will show a range of values):
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Soil surface structure and SOM content (include type of structure and A-horizon color and thickness):
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Effect of community phase composition (relative proportion of different functional groups) and spatial distribution on infiltration and runoff:
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Presence and thickness of compaction layer (usually none; describe soil profile features which may be mistaken for compaction on this site):
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Functional/Structural Groups (list in order of descending dominance by above-ground annual-production or live foliar cover using symbols: >>, >, = to indicate much greater than, greater than, and equal to):
Dominant:
Sub-dominant:
Other:
Additional:
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Amount of plant mortality and decadence (include which functional groups are expected to show mortality or decadence):
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Average percent litter cover (%) and depth ( in):
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Expected annual annual-production (this is TOTAL above-ground annual-production, not just forage annual-production):
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Potential invasive (including noxious) species (native and non-native). List species which BOTH characterize degraded states and have the potential to become a dominant or co-dominant species on the ecological site if their future establishment and growth is not actively controlled by management interventions. Species that become dominant for only one to several years (e.g., short-term response to drought or wildfire) are not invasive plants. Note that unlike other indicators, we are describing what is NOT expected in the reference state for the ecological site:
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Perennial plant reproductive capability:
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