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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): 144A–New England and Eastern New York Upland, Southern Part
MLRA 144A: New England and Eastern New York Upland, Southern Part
The eastern half of the eastern part of this MLRA is in the Seaboard Lowland Section of the New England Province of the Appalachian Highlands. The western half of the eastern part and the southeastern half of the western part are in the New England Upland Section of the same province and division. The northwestern half of the western part is in the Hudson Valley Section of the Valley and Ridge Province of the Appalachian Highlands. This MLRA is a very scenic area of rolling to hilly uplands that are broken by many gently sloping to level valleys that terminate in coastal lowlands. Elevation ranges from sea level to 1,000 feet (0 to 305 meters) in much of the area, but it is 2,000 feet (610 meters) on some hills. Relief is mostly about 6 to 65 feet (2 to 20 meters) in the valleys and about 80 to 330 feet (25 to 100 meters) in the uplands.
This area has been glaciated and consists almost entirely of till hills, drumlins, and bedrock-controlled uplands with a mantle of till. It is dissected by narrow glacio-fluvial valleys. The southernmost boundary of the area marks the farthest southward extent of Wisconsinian glaciation on the eastern seaboard. The river valleys and coastal plains are filled with glacial lake sediments, marine sediments, and glacial outwash. The bedrock in the eastern half of the area consists primarily of igneous and metamorphic rocks of early Paleozoic age. Granite is the most common igneous rock, and gneiss, schist, and slate are the most common metamorphic rocks. In the parts of the MLRA in eastern and southeastern New York, Devonian- to Pennsylvanian-age sandstone, shale, and limestone are dominant. Carbonate rocks, primarily dolomite and limestone, are the dominant kinds of bedrock in the part of this MLRA in northwestern Connecticut.Classification relationships
USDA-NRCS (USDA 2006):
Land Resource Region (LRR): N—East and Central Farming and Forest Region
Major Land Resource Area (MLRA): 144A— New England and Eastern New York Upland, Southern Part.
USDA-FS (Cleland et al. 2007)
Province: 221 - Eastern Broadleaf Province
Section: 221A - Lower New England
Subsection: 221Aa – Boston Basin
221Ac – Narragansett-Bristol Lowland and Islands
221Ad – Southern New England Coastal Lowland
221Ae – Hudson Highlands
221Ag - Southeast New England Coastal Hills and Plains
221Ah - Worcester-Monadnock Plateau
221Ai – Gulf of Maine Coastal Plain
221Ak - Gulf of Maine Coastal Lowland
Section: 221B – Hudson Valley
Subsection: 221Ba – Hudson Limestone Valley
221Bb - Miami – Taconic Foothills
221Bc – Hudson Glacial Lake PlainsEcological site concept
The Wet Lake Plain ecological site consists of very deep, poorly drained soils formed in clayey, silty and loamy over clayey sediments. They are nearly level to gently sloping soils in low-lying positions on glaciolacustrine and marine terraces. There may be two geographically distinct areas: inland sites along the Hudson Valley,NY with representative soils Madalin, Parsippany, and Passaic; and coastal sites in Northeast MA and Southeast NH with representative soils Scitico (coastal), Shaker, Raynham (coastal) and Squamscott. The reference community is typified by a red maple – hardwoods swamp forest. These communities may be perched or show seepage and maybe considered minerotrophic (slightly enriched). Canopy dominants include red maple (Acer rubrum) with green ash (Fraxinus pennsylvanica) or white ash (Fraxinus americana). Other trees include pin oak (Quercus palustris) and black gum (Nyssa sylvatica). Shrubs include northern spicebush (Lindera benzoin) and winterberry holly (Ilex verticillate), and northern arrowwood (Viburnum dentatum var lucidum). Groundcover is variable w/ skunk cabbage (Symplocarpus foetidus)and and/or ferns: cinnamon fern (Osmunda cinnamomea), royal fern (Osmunda regalis), marsh fern (Thelypteris palustrius); and sedges: Gray’s sedge (Carex grayi) , fringed sedge (Carex crinata), hop sedge (Carex lupulina). Depending on the water table fluctuations, the “perched” wetlands may contain a more diverse shrub layer.
Associated sites
F144AY018NY Moist Lake Plain
Similar sites
F144AY008CT Moist Till Uplands
F144AY012CT Sandy Low Floodplain
Table 1. Dominant plant species
Tree (1) Acer rubrum
Shrub (1) Lindera benzoin
Herbaceous (1) Osmunda regalis
Physiographic features
The site occurs nearly level to gently sloping soils in low-lying positions on glaciolacustrine and marine terraces. Water table depth ranges from 0 to 12 inches.
Table 2. Representative physiographic features
Landforms (1) Lake plain > Lake plain
(2) Outwash plain > Depression
(3) Lowland > Marine terrace
(4) Fluviomarine terrace > Drainageway
(5) Terrace
(6) Lake terrace
(7) Flood plain
(8) Outwash plain
Runoff class Negligible to very high Flooding frequency None to frequent Ponding frequency None to frequent Elevation 0 – 2460 ft Slope 0 – 8 % Water table depth 0 – 72 in Aspect Aspect is not a significant factor Climatic features
The Koppen-Geiger climate classification of the area in which this MLRA occurs varies between Dfb (Warm-summer humid continental) in the North, and Dfa (Hot-summer humid continental) in the southern portion of the MLRA. Precipitation is usually uniformly distributed throughout the year. Near the coast, however, it is slightly lower in summer. Precipitation is slightly higher in spring and fall in inland areas. Rainfall occurs as high-intensity, convective thunderstorms during the summer. During the winter, most of the precipitation occurs as moderate-intensity storms (northeasters) that produce large amounts of rain or snow. The freeze-free period increases in length to the south.
Table 3 Representative climatic features
Frost-free period (characteristic range) 120-140 days Freeze-free period (characteristic range) 150-190 days Precipitation total (characteristic range) 40-50 in Frost-free period (actual range) 110-170 days Freeze-free period (actual range) 150-210 days Precipitation total (actual range) 40-50 in Frost-free period (average) 140 days Freeze-free period (average) 170 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) GLOVERSVILLE [USC00303319], Gloversville, NY
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(2) RUTLAND [USC00436995], Rutland, VT
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(3) COPAKE [USC00301761], Copake, NY
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(4) BELVIDERE BRG [USC00280734], Bangor, NJ
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(5) BRIDGEPORT SIKORSKY MEM AP [USW00094702], Stratford, CT
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(6) NEW BEDFORD MUNI AP [USW00094726], New Bedford, MA
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(7) ROCHESTER SKYHAVEN AP [USW00054791], Rochester, NH
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(8) BELCHERTOWN [USC00190562], Belchertown, MA
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(9) WEST MEDWAY [USC00199316], Medway, MA
">Influencing water features
Poorly drained<br />
Water is removed so slowly that the soil is wet at shallow depths periodically during the growing season or remains wet for long periods. Internal free water occurrence is shallow or very shallow and common or persistent. Free water is commonly at or near the surface long enough during the growing season that most mesophytic crops cannot be grown, unless the soil is artificially drained. The soil, however, is not continuously wet directly below plow depth. Free water at shallow depth is common. The water table is commonly the result of low or very low saturated hydraulic conductivity, nearly continuous rainfall, or a combination of these.<br />
<br />
Very poorly drained<br />
Water is removed from the soil so slowly that free water remains at or very near the surface during much of the growing season. Internal free water occurrence is very shallow and persistent or permanent. Unless the soil is artificially drained, most mesophytic crops cannot be grown. The soils are commonly level or depressed and frequently ponded. In areas where rainfall is high or nearly continuous, slope gradients may be greater.Wetland description
National Wetland Classification (Cowardin et al., 1979):<br />
<br />
Palustrine, class variable, leaf morphology variable, water regime variable, chemistry modifier variable.Soil features
The site consists of very deep, poorly drained soils formed in clayey, silty and loamy over clayey sediments. They are nearly level to gently sloping soils in low-lying positions on glaciolacustrine and marine terraces. There may be two geographically distinct areas: inland sites along the Hudson Valley, NY with representative soils Madalin, Parsippany, and Passaic; and coastal sites in Northeast MA and Southeast NH with representative soils Scitico (coastal), Shaker, Raynham (coastal) and Squamscott.
Table 4. Representative soil features
Parent material (1) Glaciolacustrine deposits – basalt
(2) Lacustrine deposits – sandstone and shale
(3) Eolian deposits
(4) Glaciomarine deposits
(5) Marine deposits
Surface texture (1) Silt loam
(2) Loam
(3) Mucky silt loam
(4) Mucky silty clay loam
(5) Silty clay loam
(6) Fine sandy loam
(7) Very fine sandy loam
Family particle size (1) Clayey over sandy or sandy-skeletal
(2) Coarse-loamy over clayey
(3) Coarse-silty
(4) Fine
(5) Fine-loamy
(6) Sandy
(7) Sandy over loamy
Drainage class Very poorly drained to somewhat poorly drained Permeability class Very slow to slow Depth to restrictive layer 20 – 72 in Surface fragment cover <=3" Not specified Surface fragment cover >3" Not specified Available water capacity
(Depth not specified)4 – 8 in Soil reaction (1:1 water)
(0-40in)3.5 – 8.4 Subsurface fragment volume <=3"
(Depth not specified)0 – 19 % Subsurface fragment volume >3"
(Depth not specified)Not specified Ecological dynamics
[Caveat: The vegetation information contained in this section and is only provisional, based on concepts, not yet validated with field work.*]
The vegetation groupings described in this section are based on the terrestrial ecological system classification and vegetation associations developed by NatureServe (Comer 2003). Terrestrial ecological SYSTEMS are specifically defined as a group of plant community-types called ASSOCIATIONS that tend to [co-]occur within landscapes with similar ecological processes, substrates, and/or environmental gradients. Any given system will typically manifest itself in a landscape at intermediate geographic scales of tens-to-thousands of hectares and will persist for 50 or more years. A vegetation association is a plant community that is much more specific to a given soil, geology, landform, climate, hydrology, and disturbance history. It is the basic unit for vegetation classification and recognized by the US National Vegetation Classification (US FDGC 2008). Each association will be named by the diagnostic and often dominant species that occupy the different height strata (tree, sapling, shrub, and herb). Within the NatureServe Explorer database (NatureServe, 2015), ecological systems are numbered by a Community Ecological System Code (CES) and individual vegetation associations are assigned an identification number called a Community Element Global Code (CEGL).
Additional and more localized vegetation information is provided by the State Natural Heritage Programs of Connecticut (Metzler and Barrett 2001), Massachusetts (Swain and Kearsley 2001), New Hampshire (Sperduto and Nichols, 2011), New York (Edinger et al., 2014), and Rhode Island (Enser and Lungren, 2006).
The Wet Lake Plain ecological site is characteristic of the North-Central Appalachian Acidic Swamp system (CES202.604). The reference community is typified by a red maple -hardwoods swamp. Windthrows are common. Alteration of the natural hydrological regime (diversions, culverts, impoundments) can be a threat. Fires are typically suppressed, and otherwise less common in these mesic lake plain environments compared to drier upland environments. Invasive species, such as common buckthorn (Rhamnus cathartica), glossy buckthorn (Frangula alnus), shrubby honeysuckle (Lonicera morrowii), multiflora rose (Rosa multiflora), and barberry (Berberis thunbergii) may produce a state change. . The most significant threat is the emerald ash borer (Agrilus planipennis), an Asian beetle that infests and kills North American ash trees.
[*Caveat] The information presented is representative of very complex vegetation communities. Key indicator plants and ecological processes are described to help inform land management decisions. Plant communities will differ across the MLRA because of the naturally occurring variability in weather, soils, and geography. The reference plant community is not necessarily the management goal. The drafts of species lists are merely representative and are not botanical descriptions of all species occurring, or potentially occurring, on this site. They are not intended to cover every situation or the full range of conditions, species, and responses for the site.State and transition model
Custom diagramStandard diagram
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Click on state and transition labels to scroll to the respective textState 2 submodel, plant communities
State 3 submodel, plant communities
State 1
Reference State (minimally-managed)The reference plant community-type is:
• Southern New England-Northern Piedmont Red Maple Seepage Swamp Forest (CEGL006406)
Acer rubrum - Fraxinus (pennsylvanica, americana) / Lindera benzoin / Symplocarpus foetidus Swamp Forest
(Translated) Red Maple - (Green Ash, White Ash) / Northern Spicebush / Skunk-cabbage Swamp Forest
Other less common plant communities are:
• Northeastern Pin Oak - Swamp White Oak Wet Forest (CEGL 006240)
Quercus palustris - (Quercus bicolor) - Acer rubrum / Vaccinium corymbosum / Osmunda cinnamomea Wet Forest
(Translated) Pin Oak - (Swamp White Oak ) - Red Maple / Highbush Blueberry / Cinnamon Fern Wet Forest
• Northeastern Pin Oak - Swamp White Oak Wet Forest (CEGL 006240)
Quercus palustris - (Quercus bicolor) - Acer rubrum / Vaccinium corymbosum / Osmunda cinnamomea Wet Forest
(Translated) Pin Oak - (Swamp White Oak ) - Red Maple / Highbush Blueberry / Cinnamon Fern Wet ForestCommunity 1.1
Red Maple – Ash (Green, White) / Northern Spicebush / Skunk-cabbage Swamp Forest (CEGL006406)Southern New England-Northern Piedmont Red Maple Seepage Swamp Forest (CEGL006406)
Acer rubrum - Fraxinus (pennsylvanica, americana) / Lindera benzoin / Symplocarpus foetidus Swamp Forest
(Translated) Red Maple - (Green Ash, White Ash) / Northern Spicebush / Skunk-cabbage Swamp Forest
The reference community is typified by a red maple – hardwoods swamp forest. These communities may be perched or show seepage and maybe considered minerotrophic (slightly enriched). Canopy dominants include red maple (Acer rubrum) with green ash (Fraxinus pennsylvanica) or white ash (Fraxinus americana). Other trees include pin oak (Quercus palustris), swamp white oak (Quercus bicolo)r and black gum (Nyssa sylvatica). Shrubs density varies with openness and hydrology. Shrubs include northern spicebush (Lindera benzoin) and winterberry holly (Ilex verticillate), silky dogwood (Cornus amomum) and northern arrowwood (Viburnum dentatum var lucidum). Groundcover is variable w/ skunk cabbage (Symplocarpus foetidus)and and/or ferns: cinnamon fern (Osmunda cinnamomea), royal fern (Osmunda regalis), marsh fern (Thelypteris palustrius); and sedges: Gray’s sedge (Carex grayi) , fringed sedge (Carex crinata), hop sedge (Carex lupulina). Depending on the water table fluctuations, the “perched” wetlands may contain a more diverse shrub layer. Invasive shrubs and herbs, includingJapanese barberry (Berberis thunbergia), multiflora rose (Rosa multiflora), Morrow’s honeysuckle (Lonicera morrowii), garlic mustard (Alliaria petiolate), and Japanses stiltgrass (Microstegium vimineum), may be abundant. (Source: NatureServe 2018 [accessed 2019], USNVC 2017 [accessed 2019]).
CT: Red maple / northern spicebush Forest (Metzler and Barrett, 2006)
MA: Red maple swamp (Swain and Kearsley, 2001)
NH: Red maple / skunk cabbage Swamp (Sperduto and Nichols, 2011)
NY: Red maple – hardwood Swamp(Edinger et al., 2014)Dominant plant species
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red maple (Acer rubrum), tree
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northern spicebush (Lindera benzoin), shrub
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skunk cabbage (Symplocarpus foetidus), other herbaceous
Community 1.2
Ruderal Forest/WoodlandCommunity 1.3
Abandoned Field/MeadowPathway P1.1A
Community 1.1 to 1.2Disturbance
Pathway P1.1B
Community 1.1 to 1.3Disturbance
Pathway P1.2A
Community 1.2 to 1.1Abandonment, Sucession
Pathway P1.2B
Community 1.2 to 1.3Disturbance
Pathway P1.3A
Community 1.3 to 1.2Abandonment, Succession
State 2
Semi-natural StateThe Semi-natural State would expect plant communities where ecological processes are primarily operating with some land conditioning in the past or present, e.g., managed forests, or plant communities that are an artifact of land management e.g., predominately invasive plants.
Community 2.1
Managed Trees/Shrubs/Herbs(?)Community 2.2
Invasive PlantsInvasive species include common buckthorn (Rhamnus cathartica), glossy buckthorn (Frangula alnus), shrubby honeysuckle (Lonicera morrowii), multiflora rose (Rosa multiflora), and barberry (Berberis thunbergii).
Pathway P2.1A
Community 2.1 to 2.2Disturbance, Invasive species establishment
Pathway P2.2A
Community 2.2 to 2.1Invasive spp. Control, Forest mgmt.
State 3
Cultural StateDifferent phase of intense land use - may be cultivated crops, pasture/hay, or plantations (including nursery crops)
Community 3.1
CultivatedCommunity 3.2
PastureCommunity 3.3
PlantationPathway P3.1A
Community 3.1 to 3.2Changing agricultural phases
Pathway P3.1B
Community 3.1 to 3.3Changing agricultural phases
Pathway P3.2A
Community 3.2 to 3.1Changing agricultural phases
Pathway P3.2B
Community 3.2 to 3.3Changing agricultural phases
Pathway P3.3A
Community 3.3 to 3.1Changing agricultural phases
Pathway P3.3B
Community 3.3 to 3.2Changing agricultural phases
Transition T1A
State 1 to 2altered by human- induced Disturbance or Management
Conservation practices
Tree/Shrub Establishment Forest Land Management Forest stand improvement for habitat and soil quality Key drivers
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Timber management
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Nonnative plant species presence and/or establishment
Transition T1B
State 1 to 3Disturbance, clearing, cutting
Conservation practices
Brush Management Land Clearing Herbaceous Weed Control Restoration pathway R2A
State 2 to 1Plant removals, plantings, Invasive plant control, successional mgmt., forestry practices Restoration & Mgmt, Forest Stand Improvement, Early Successional Habitat Development, Upland Wildlife Mgmt, Invasive spp. Control, Plant establishment
Conservation practices
Brush Management Tree/Shrub Establishment Early Successional Habitat Development/Management Forest Stand Improvement Restoration and Management of Natural Ecosystems Native Plant Community Restoration and Management Forest Land Management Invasive Plant Species Control Transition T2A
State 2 to 3Land clearing, cutting
Conservation practices
Brush Management Land Clearing Herbaceous Weed Control Restoration pathway R3A
State 3 to 1Plant removals, plantings, Invasive plant control, successional mgmt., forestry practices Restoration & Mgmt, Forest Stand Improvement, Early Successional Habitat Development, Upland Wildlife Mgmt, Invasive spp. Control, Plant establishment
Conservation practices
Restoration and Management of Natural Ecosystems Native Plant Community Restoration and Management Transition T3A
State 3 to 2Abandonment. Plant establishment, Forest mgmt.
Conservation practices
Tree/Shrub Establishment Forest Stand Improvement Forest Land Management Key drivers
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Timber management
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Nonnative plant species presence and/or establishment
Additional community tables
Table 5. Community 1.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 6. Community 1.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 7. Community 1.3 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 8. Community 2.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 9. Community 2.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 10. Community 3.1 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 11. Community 3.2 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Table 12. Community 3.3 plant community composition
Group Common name Symbol Scientific name Annual production () Foliar cover (%) Interpretations
Supporting information
Inventory data references
Future work is needed, as described in a future project plan, to validate the information presented in this provisional ecological site description. Future work includes field sampling, data collection and analysis by qualified vegetation ecologists and soil scientists. As warranted, annual reviews of the project plan can be conducted by the Ecological Site Technical Team. A final field review, peer review, quality control, and quality assurance reviews of the ESD are necessary to approve a final document.
Other references
REFERENCES
Cleland, D.T., J.A. Freeouf, J.E. Keys, G.J. Nowacki, C.A. Carpenter, and W.H.McNab. 2007. Ecological Subregions: Sections and Subsections for the conterminous United States. [Map. presentation scale 1:3,500,000, colored; A.M. Sloan, cartographer] Gen. Tech. Report WO-76D. U.S. Department of Agriculture, Forest Service, Washington, DC. (https://www.fs.fed.us/research/publications/misc/73326-wo-gtr-76d-cleland2007.pdf)
Comer, P., D. Faber-Langendoen, R. Evans, S. Gawler, C. Josse, G. Kittel, S. Menard, M. Pyne, M. Reid, K. Schulz, K., Snow, and J.Teague. 2003. Ecological Systems of the United States: A Working Classification of U.S. Terrestrial Systems. NatureServe, Arlington, Virginia.
Cowardin, L.M. et. al. 1979. Classification of Wetlands and Deepwater habitats of the United States. FWS/OBS-79/31, U.S. Department of the Interior, Fish and Wildlife Service, Washington, DC.
Edinger, G.J., Evans, D.J., Gebauer, S., Howard, T.G., Hunt, D.M., and A.M. Olivero, A.M. (eds.). 2014. Ecological Communities of New York State, Second Edition: A revised and expanded edition of Carol Reschke's Ecological Communities of New York State. New York Natural Heritage Program, New York State Department of Environmental Conservation, Albany, NY.
Enser, R., Gregg, D., Sparks, C., August, P., Jordan, P., Coit, J., Raithel, C., Tefft, B., Payton, B., Brown, C. and LaBash, C., 2011. Rhode Island ecological communities classification. Rhode Island Natural History Survey, Kingston, RI.
Enser, R. and Lundgren, J.A., 2006. Natural communities of Rhode Island. Rhode Island Natural History Survey, Kingston (RI).
FGDC [Federal Geographic Data Committee]. 2008. National Vegetation Classification Standard, Version 2. Federal Geographic Data Committee, Vegetation Subcommittee, Washington DC..
Gawler, S.C. and Cutko, A., 2010. Natural landscapes of Maine: a guide to natural communities and ecosystems. Maine Natural Areas Program, Department of Conservation.
Metzler, K.J. and Barrett, J.P., 2006. The Vegetation of Connecticut, a Preliminary Classification. Department of Environmental Protection, State Geological and Natural History Survey of Connecticut.
NatureServe 2015. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://explorer.natureserve.org. (Accessed: December 2015).
PRISM Climate Group, Oregon State University. Available http://prism.oregonstate.edu, (created February 26, 2013).
Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. 2006. Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin. Agricultural Handbook 296. (https://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_051845.pdf).
Sperduto, D.D., & Nichols, W.F. 2011. Natural Communities of New Hampshire, Second Ed. NH Natural Heritage Bureau, Concord, NH. Publ. UNH Cooperative Extension.
Swain, P.C. and Kearsley, J.B., 2001. Classification of the natural communities of Massachusetts. Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife.
Thompson, E.H. and Sorenson, E.R., 2000. Wetland, woodland, wildland. Vermont Department of Fish and Wildlife and The Nature Conservancy. Publ. University Press of New England.
USNVC [United States National Vegetation Classification]. 2017 (Date accessed). United States National Vegetation Classification Database V2.01. Federal Geographic Data Committee, Vegetation Subcomittee, Washington DC.Contributors
Nels Barrett, Ph.D. (vegetation)
Approval
Greg Schmidt, 10/04/2024
Acknowledgments
Michael Margo and tech team assisted w/drafts. Josh Hibit made compliance updates w/ 2021 Checklist V.2
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 08/12/2026 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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