Animal community

Animal Community – Wildlife Interpretations

Landscape

The MLRA 55B landscape is characterized by mostly nearly level to gently rolling till plains with some steep slopes adjacent to streams and many poorly defined drainage channels. The continental drainage divide occurs in the east central part of the MLRA. The MLRA is located within the Prairie Pothole Region with temporary, seasonal, and semi-permanent wetlands throughout the MLRA. The MLRA includes areas of eskers, kames, and ground moraines. MLRA 55B is considered to have a continental climate with cold winters and hot summers, low humidity, light rainfall, and much sunshine. Extremes in temperature are common and characteristic of the MLRA. This area supports mid- to tall-grass prairie vegetation with American elm, bur oak, green ash, and willow species growing along the riparian zones of river systems found throughout the MLRA. Complex intermingled ecological sites create diverse grass/shrub land habitats interspersed with varying densities of linear, slope, depressional, and in-stream wetlands associated with headwater streams and tributaries of the James, Pipestem, Maple, Goose, Sheyenne, Wild Rice, and Elm Rivers. MLRA 55B is located within North and South Dakota and within the boundaries of the Prairie Pothole Region.

Three Hydrologic Unit Areas make up this MLRA. Approximately 6% drains into the Mouse River into MLRA 55A, with the balance split between the James and Sheyenne Rivers.

By the mid-19th century, over 76% of the MLRA had been converted from mid- to tall-grass prairie to annual crop production. To alleviate crop production loss from wetlands and overland flow, a system of shallow surface ditches, judicial ditches, and road ditches removes surface water in spring and during high rainfall events. Tile drainage systems have been or are being installed extensively throughout MLRA 55B for sub-surface field drainage to enhance annual crop production.

Historic Communities/Conditions within MLRA 55B:

The northern tall- and mixed-grass prairie were disturbance-driven ecosystems with fire, herbivory, and climate functions as the primary ecological drivers (either singly or often in combination). American bison roamed MLRA 55B, wintering along the Mouse River in MLRA 55A and migrating through MLRA 55B and into MLRA 56A. Many species of grassland birds, small mammals, insects, reptiles, amphibians, elk, moose, pronghorn, white-tailed deer, and large herds of American bison were historically among the inhabitants adapted to this region. Roaming herbivores, as well as several small mammals and insect species, were the primary consumers linking the grassland resources to large predators (such as the wolf, American black bear, grizzly bear) and smaller carnivores (such as the coyote, bobcat, red fox, and raptors). Extirpated species include free- ranging American bison and gray wolf (breeding). Extinct is the Rocky Mountain locust.

Present Communities/Conditions within MLRA 55B:

This area supports natural prairie vegetation characterized by western wheatgrass, green needlegrass, needle and thread, and blue grama. Little bluestem is an important species on the more sloping and shallower soils. Prairie cordgrass, northern reedgrass, big bluestem, and wheat sedge (aka slough sedge) are important species on wet soils. Western snowberry, leadplant, and prairie rose are commonly interspersed throughout the area.

Over 80% of MLRA 55B has been converted to annual crop production. These influences fragmented the landscape, reduced or eliminated ecological drivers (fire), and introduced exotic plant species including smooth brome, crested wheatgrass, Kentucky bluegrass, and leafy spurge; this further impacted plant and animal communities. The loss of the bison and fire as primary ecological drivers greatly influenced the character of the remaining native plant communities and the associated wildlife, moving towards a less diverse and more homogeneous landscape. Annual cropping is the main factor contributing to habitat fragmentation, reducing habitat quality for area- sensitive species.

Hydrological manipulation is extensive throughout the MLRA. Extensive wetland and subsurface tile drainage have taken place. Straightened segments of ephemeral and intermittent tributary streams of the James, Wild Rice, and Sheyenne River have reduced sinuosity, created oxbows, and enabled the conversion of riparian ecological sites to annual crop production. These anthropogenic impacts have reduced flood water detention and retention on the landscape. The results have been increasing storm water runoff sediment and nutrient loading to the James and Sheyenne Rivers and their tributaries (along with lakes and reservoirs within the MLRA). Large dams on the James, Pipestem and Sheyenne rivers, along with installation of instream structures have reduced aquatic species movement within the MLRA.

National wildlife refuges, waterfowl production areas, state wildlife management areas, and North and South Dakota Department of Trust Lands provide herbaceous and woody cover for wildlife. In addition, the United States Army Corps of Engineers and the United States Bureau of Reclamation manage three man-made reservoirs - Jamestown Reservoir, Pipestem Reservoir, and Lake Ashtabula for flood control, also providing fish habitat and adjacent uplands for wildlife cover. Lonetree Wildlife Management Area (WMA) is the largest state managed wildlife area covering 32,800 acres. Arrowwood National Wildlife Refuge is the largest refuge consisting of 16,000 acres.

Characteristic wildlife species in this area are:

Birds: Common goldeye, bufflehead, broad-winged hawk, alder flycatcher, mourning warbler, mallard, blue-winged teal, red-tailed hawk, American kestrel, killdeer, eastern and western kingbird, western meadowlark, American crow, common yellowthroat, clay-colored sparrow, vesper sparrow, red-necked grebe, Savannah sparrow, downy and hairy woodpeckers, black-capped chickadee, white-breasted nuthatch, and brown-headed cowbird.

Mammals: Northern short-tailed shrew, white-tailed jackrabbit, Franklin’s ground squirrel, thirteen- lined ground squirrel, northern pocket gopher, plains pocket gopher, western harvest mouse, deer mouse, meadow vole, meadow jumping mouse, western jumping mouse, coyote, red fox, racoon, American badger, striped skunk, white-tailed deer, elk, moose, beaver, muskrat, mink, weasel, woodchuck, and red, eastern gray and fox squirrels.

Reptiles/Amphibians: American toad, Great Plains toad, northern leopard frog, chorus frog, tiger salamander, plains garter snake, smooth green snake, wood frog, and common garter snake.

Presence of wildlife species is often determined by ecological site characteristics including grass and forb species, tree and shrub species, hydrology, aspect, and other associated ecological sites. The home ranges of a majority of species are usually larger than one ecological site or are dependent upon more than one ecological site for annual life requisites. Ecological sites offer different habitat elements as the annual life requisites change. Habitat improvement and creation must be conducted within the mobility limits of a known population for the species.

Insects play an important role in providing ecological services for plant community development. Insects that are scavengers or aid in decomposition provide the food chain baseline sustaining the carnivorous insects feeding upon them. Many insects provide the ecological services necessary for pollination, keeping plant communities healthy and productive. Insects provide a protein food source for numerous species including grassland-nesting birds, woodpeckers, woodland edge and interior species, and their young. Extensive use of insecticides for specialty crops (such as soybeans, corn, and other crops) has greatly reduced insects within this MLRA.

Species of Concern within MLRA 55B:

The following is a list of species considered “species of conservation priority” in the North Dakota State Wildlife Action Plan (2015) and South Dakota State Wildlife Action Plan (2014); and species listed as “threatened, endangered, or petitioned” under the Endangered Species Act within MLRA 55B at the time this section was developed:

Invertebrates: Dakota skipper, Iowa skipper, monarch butterfly, northern sandy tiger beetle, Ottoe skipper, Poweshiek skipperling, regal fritillary, yellow-banded bumble bee, and western bumble bee.

Birds: America avocet, American bittern, American kestrel, American white pelican, Baird’s sparrow, bald eagle, black-billed cuckoo, black tern, bobolink, burrowing owl, canvasback, chestnut-collared longspur, Dickcissel, ferruginous hawk, Franklin’s gull, grasshopper sparrow, horned grebe, lark bunting, LeConte’s sparrow, lesser scaup, marbled godwit, Nelson’s sparrow, northern goshawk, northern harrier, northern pintail, osprey (migration), peregrine falcon (migration), piping plover (migration), red knot (migration), sharp-tailed grouse, short-eared owl, Swainson’s hawk, upland sandpiper, western meadowlark, willet, Wilson’s phalarope, whooping crane (migration), and yellow rail.

Mammals: Arctic shrew, big and little brown bats, Franklin’s ground squirrel, northern river otter, plains pocket mouse, pygmy shrew, Richardson’s ground squirrel, and silver-haired bat.

Amphibians and Reptiles: Canadian toad, plains hognose snake, smooth green snake, and snapping turtle.

Fish and Mussels: Black sandshell, blacknose shiner, Carmine shiner, creek heelsplitter, creeper, deertoe, fragile papershell, mapleleaf, northern pearl dace, northern redbelly dace, pink heelsplitter, threeridge, trout-perch, yellow sandshell, and Wabash pigtoe.

Grassland Management for Wildlife in MLRA 55B

Management activities within the community phase pathways impact wildlife but are essential for maintenance of healthy grassland ecosystems. Community phase, transitional, and restoration pathways are keys to long-term management within each State and between States. Timing, intensity, and frequency of these inputs can have dramatic positive or negative effects on local wildlife species. Ranchers and other land managers must always consider the long-term beneficial management effects of grassland and woodland resources in comparison to typically short-term negative effects to the habitats of individual species.

Ecological sites occur as intermingled complexes on the landscape with gradual or sometimes abrupt transitions. Rarely do ecological sites exist in large enough acreage to manage independently. Ecological sites supporting a dominance of herbaceous vegetation (Loamy/Sandy) can be located adjacent to ecological sites that support medium to tall shrubs (Loamy Overflow or Loamy-Wooded State). Conversely, ecological sites that are dominated by short- to mid-statured grasses (Claypan) can be adjacent to sites with bare soil only supporting minor amounts of short grasses and forbs (Thin Claypan).

Management of these complex ecological sites can provide a heterogeneous or a homogenous landscape. Grassland bird use reduces as the plant community transitions to a homogenous state. Managers must recognize ecological sites and the complexes in which they occur to properly manage the landscape. A management regime for one ecological site may negatively impact an adjacent site; for example, alteration of a grazing regime within the Invaded Wooded State of Loamy ecological site to encourage understory growth may encourage exotic cool-season grasses to increase or dominate an adjacent ecological site.

Life requisites and habitat deficiencies are determined for targeted species. Deficiencies need to be addressed along community phase, transitional, and restoration pathways as presented in specific state-and-transition models. Ecological sites should be managed and restored within the site’s capabilities to provide sustainable habitat for targeted species or species guilds. Managers also need to consider vegetative associations provided by adjacent/intermingled ecological sites for species with home ranges or life requisites that may not be provided by one ecological site.

Grassland-nesting birds use various grass heights for breeding, nesting, foraging, or winter habitat. While most species use varying heights, many have a preferred vegetative stature height or sensitivity to woody vegetation. Understanding the sensitivity of grassland species to woody vegetation and preferred vegetative structure enables managers to determine which grassland-nesting bird species avoid grassland habitats adjacent to woody dominated plant community phases. The following chart provides sensitivity to woody vegetation and preferred vegetative stature heights.

To see the chart please follow the hyperlink:
https://efotg.sc.egov.usda.gov/references/public/ND/55B_Shallow_Loamy_Narrative_FINAL_Ref_FSG.pdf

Shallow Loamy Wildlife Habitat Interpretation:

Shallow Loamy ecological sites are well drained, medium to moderately fine textured soils occurring on escarpments and uplands. It is on ridges, upper side slopes, and nose slopes typically occurring above river valleys or stream flood plains. Calcium carbonate content is none to moderate. Little bluestem is the dominant mid warm-season grass. Associated ecological sites include Clayey, Loamy, Loamy Overflow, Thin Claypan, and Thin Loamy. This complex of ecological sites provides habitat for many edge-sensitive grassland bird species preferring medium- to short-statured vegetation.

Shallow Loamy habitat features and components commonly support grassland-nesting birds, notably sharp-tailed grouse leking sites. Insects rely on associated forbs and grasses for survival. High insect populations provide food sources for birds and their young. Shallow Loamy ecological sites provide excellent forage for small and large herbivores. Dakota skippers may use Shallow Loamy ecological sites in MLRA 55B.

Shallow Loamy ecological sites may be found in four plant community states (1.0 Reference State, 2.0 Native/Invaded State, 3.0 Invaded State, and 4.0 Go-Back State) within a local landscape. Multiple plant community phases exist within all States 1.0 and 2.0. Today, these States occur primarily in response to drought, fire, grazing, non-use, and other anthropogenic disturbances.

Because there is no known restoration pathway from 2.0 Native/Invaded State to 1.0 Reference State, it is important to intensively manage using tools in State 1.0 and State 2.0 Community Phase Pathways to prevent further plant community degradation along the T2A Transitional Pathway to State 3. Native wildlife generally benefits from the heterogeneous grasslands found in Community States 1.0 and 2.0 that include grass and forb species of varying stature and density. As plant communities degrade within State 2.0, Kentucky bluegrass increases while native forbs decrease. When Kentucky bluegrass exceeds 30%, the site transitions to 3.0 Invaded State. This transition results in reduced stature and increased plant community homogeneity. When adjacent and/or intermingled ecological sites undergo the same transition, the result can be an expansive, homogenous landscape.

Success along Restoration Pathway R3A from State 3.0 to State 2.0 is very difficult and is dependent upon presence of a remnant native grass population. This concept also applies to wildlife, as the target species must either be present on adjacent State 1.0 or State 2.0 plant communities or ecological sites within the mobility limits of the species. Species with limited mobility, such as Dakota skippers, must exist near the plant community to utilize restored sites. Mobile species (such as grassland-nesting birds) can easily locate isolated, restored plant communities.

Plant Community Phase 3.1 shows a dramatic increased homogeneity of exotic cool-season grasses and further reduction in native forbs. Reduced forb diversity limits insect populations, negatively affecting foraging opportunities for grassland-nesting birds. Increased exotic grass litter or dense sod can limit access to bare ground by nesting insects and can limit mobility by small chicks. A homogenous grassland landscape does not provide quality escape or winter cover. As a result, many species are not able to meet life requisites, especially non-migratory species.

Management along community phase, transition, or restoration pathways should focus upon attainable changes. Short- and long-term monetary costs must be evaluated against short- and long- term ecological services in creating and maintaining habitat of enough quality to support a sustainable population density.

1.0 Reference State

Community Phase 1.1 Little Bluestem-Needlegrasses-Sideoats Grama: This plant community offers quality vegetative cover for wildlife; every effort should be made to maintain this ecological site within this community phase. This phase retains high functionality through continued maintenance including prescribed grazing with adequate recovery period, as well as prescribed fire. Prescribed fire frequency maintains a grass-dominated plant community providing habitat for bird species sensitive to woody vegetation. Predominance of grass species in this community favors grazers and mixed- feeders (animals selecting grasses as well as forbs and shrubs). The structural diversity provides habitat for a wide array of migratory and resident birds. Plant structure within Plant Community Phase 2.1 is very similar to 1.1 except for the invasion of minor amounts of cool-season exotic grasses, mainly Kentucky bluegrass.

Invertebrates: Insects play a role in maintaining the forb community and provide a forage base for grassland birds, reptiles, and rodents. Ecological services, historically provided by bison, are simulated by domestic livestock. These services include putting plant material and dung in contact with mineral soil to be used by lower trophic level consumers (such as invertebrate decomposers, scavengers, shredders, predators, herbivores, dung beetles, and fungal-feeders).

Dakota skippers may use this site due to presence of host plants, such as little bluestem and blacksamson echinacea. This site is dominated by mid-statured grasses, missing the tall-statured grasses that support the habitat needs of the Ottoe skipper. Violet species are not common on this site, limiting needed habitat for the regal fritillary. Monarch butterfly may use flowering forbs; however, few milkweed species are found on these sites to support caterpillar food. Bumblebees and other native bees utilize forbs as a nectar source; bare ground and nesting sites are available due to the dominance of bunch grasses. Prescribed grazing with adequate recovery periods, as well as prescribed fire, (to maintain the 1.1 phase) will have long-term positive effects on ground dwelling insects.

Birds: This plant community provides quality nesting, foraging, and escape habitats favored by mid- to short-grass nesting birds. Prescribed fire maintains a grass-dominated plant community providing habitat for bird species sensitive to woody vegetation and limits litter accumulations. This plant community can provide suitable areas for sharp-tailed grouse lek sites and nesting, brood-rearing, and escape habitat. This site provides good hunting opportunities for grassland raptors.

Mammals: The diversity of grasses and forbs provide high nutrition levels for small and large herbivores. Mid-statured vegetation provides suitable food, thermal, protective, and escape cover for small and large herbivores.

Amphibians and Reptiles: This ecological site is not found adjacent to Wet Meadow or Shallow Marsh ecological sites; therefore, it provides limited habitat for the northern leopard frog and Canadian toad. This site does not provide habitat for the northern prairie skink and plains hog-nosed snake.

Fish and Mussels: This ecological site is not typically located adjacent to streams, rivers, or water bodies. This site typically does not receive run-on hydrology from adjacent ecological sites but do provide hydrology to adjacent down-slope ecological sites. Management on Thin Loamy sites, in conjunction with neighboring run-on sites, will have an indirect effect on aquatic species in streams and/or tributaries receiving water from adjacent sites. Optimum hydrological function and nutrient cycling limit potential for sediment yield and nutrient loading to the adjacent aquatic ecosystems from Community Phase 1.1.

Community Phase 1.2 Blue Grama-Needlegrasses/Forbs: Multiyear drought, with or without heavy, long term grazing results in a marked increase in blue grama and a corresponding decrease in little bluestem creating a shorter statured plant community. Forbs (such as prairie sagewort, tarragon, stiff sunflower, blacksamson echinacea, and blazing star, scurfpea, white heath aster, Cuman ragweed, and common yarrow) are more noticeable. A return to normal precipitation patterns and prescribed grazing system can return this plant community to Community Phase 1.1.

Invertebrates: Provides similar life requisites as Community Phase 1.1.

Birds: A shift to shorter statured grasses provides quality nesting, foraging, and escape habitats favored by short- to mid- statured nesting birds. This plant community provides suitable areas for sharp-tailed grouse lek sites. This site provides good hunting opportunities for grassland raptors.

Mammals: Thermal, protective, and escape cover may be somewhat reduced due to the increase in blue grama and corresponding decrease in little bluestem.

Amphibians and Reptiles: Provides similar life requisites as Community Phase 1.1.

Fish and Mussels: Provides similar life requisites as Community Phase 1.1.

2.0 Native/Invaded State

Community Phase 2.1 Little Bluestem-Needlegrasses-Sideoats Grama: This plant community develops through Transition Pathway T1A due to changes in management and the presence of exotic, cool-season grasses. Lack of fire or heavy season-long grazing can facilitate this transition. The threshold between States 1.0 and 2.0 is crossed when Kentucky bluegrass, smooth brome, or other exotic species become established. This plant community phase has a very similar appearance and function to the Reference State of Community 1.1, except it has a minor amount of exotic cool- season grasses and forbs. This phase functions at a high level for native wildlife; therefore, managers should consider the State 2.0 community phase pathways to avoid transitioning to the 3.0 Invaded State. There is no known Community Phase Pathway back to 1.0 Reference State from 2.0 Native/Invaded State.

Invertebrates: Provides similar life requisites as Community Phase 1.1.

Birds: Provides similar life requisites as Community Phase 1.1.

Mammals: Provides similar life requisites as Community Phase 1.1.

Amphibians and Reptiles: Provides similar life requisites as Community Phase 1.1.

Fish and Mussels: Provides similar life requisites as Community Phase 1.1.

Community Phase 2.2 Blue Grama-Needlegrasses/Forbs: Multi-year drought, with or without heavy, long term grazing results in a cool-season needlegrass and sedge plant community that is somewhat shorter in stature than Community Phase 2.1 with blue grama becoming a dominant grass. This plant community becomes dispersed throughout the site causing an overgrazed/undergrazed pattern referred to as patch grazing. Common forbs include upright prairie coneflower, silverleaf Indian breadroot, goldenrods, white heath aster, field sagewort, white sagebrush, and wavyleaf thistle. Prairie sagewort and leadplant become the principal shrubs. The amount of bare ground decreases as sod/turf-forming cool- and warm-season grasses increases from Community Phase 1.1. Prescribed grazing with adequate recovery periods will shift the competitive edge back to mid- statured warm-season bunch grasses via Community Pathway 2.2A.

Invertebrates: Provides similar life requisites as Community Phase 1.2.

Birds: Provides similar life requisites as Community Phase 1.2

Mammals: Provides similar life requisites as Community Phase 1.2

Amphibians and Reptiles: Provides similar life requisites as Community Phase 1.1.

Fish and Mussels: Provides similar life requisites as Community Phase 1.1.

Community Phase 2.3 Needlegrasses/Forbs/Exotic Cool-Season Grasses: Extended periods of non- use or very light grazing, and no fire (via Community Phase Pathway 2.2B) results in a marked increase in the exotic cool-season species (mainly Kentucky bluegrass) and a corresponding decrease in native grasses, particularly the warm-season species. Although Kentucky bluegrass has increased, forb diversity remains high due to the low productivity of the site. The amount of bare ground decreases as sod-forming, exotic cool-season grasses increase. Long-term prescribed grazing with adequate recovery periods will shift the competitive edge back to mid-statured warm- and cool-season bunch grasses via Community Pathway 2.3A. This community phase is at risk of transitioning to 3.0 Invaded State with continued periods of non-use or very light use with no prescribed fire management.

Invertebrates: Pollen and nectar sources remain, as cool-season exotic grasses begin to invade this site. Due to the low productivity of this site, it continues to provide nesting sites for ground nesting bees.

Birds: Grassland nesting birds preferring increased plant litter and short-statured vegetation will benefit. This plant community provides suitable areas for sharp-tailed grouse lek sites dependent upon degree of slope. This site provides hunting opportunities for grassland raptors.

Mammals: Large herbivores’ life requisites will not be met in this plant community. Short-statured vegetation provides suitable food, thermal, protective, and escape cover for small ground dwelling mammals and rodents.

Amphibians and Reptiles: Provides similar life requisites as Community Phase 1.1.

Fish and Mussels: Provides similar secondary resource benefits as Community Phase 1.1.

3.0 Invaded State

Community Phase 3.1 Exotic Cool-Season Grasses/Forbs: The elimination of fire and grazing (via Transitional Pathway T2A) allows Kentucky bluegrass to dominate this site. Due to the low productivity of this site, native grasses may still be present but with reduced vigor and numbers which do not allow recovery without prescribed grazing and burning (via Restoration Pathway R3A). Overall plant diversity is reduced. Native forbs generally decrease in production, abundance, diversity, and richness compared to that of State 10: Reference State and may include white heath aster, goldenrod, common yarrow, and white sagebrush. Shrubs often include western snowberry and rose.

Invertebrates: This plant community is dominated by cool season sod-forming grasses; increased plant litter limits bare ground for ground nesting bee species. Forbs and shrubs may include white heath aster, goldenrod, common yarrow, white sagebrush, western snowberry, and rose. Forbs and shrubs will provide limited early- and late-season pollen and nectar. Overall, pollinator plant diversity is low, limiting season-long nectar and pollen production.

Birds: This homogenous landscape provides limited structural diversity or insect production for grassland nesting birds. Grassland nesting birds preferring increased plant litter will benefit, but long- term continued rest reduces nesting habitat for most species.

Mammals: Increased litter amounts provide food, thermal and escape cover for small herbivores. However, located on ridges and crests, overall protective cover remains low. Large herbivores’ life requisites will not be met in this plant community.

Amphibians and Reptiles: Provides similar life requisites as Community Phase 1.1.

Fish and Mussels: Provides similar secondary resource benefits as Community Phase 1.1. However, runoff increases significantly from the plant community due to thick thatch and sod forming grasses - increasing yield and nutrient loading to adjacent ecological sites and waterbodies.

4.0 Go-Back State

Community Phase 4.1 Annual/Pioneer Perennial/Exotics: These plant communities are the result of severe soil disturbance (such as cropping, recreational activity, or concentrated livestock activity for a prolonged period). Following cessation of disturbances, the resulting plant community is dominated by early pioneer annual and perennial plant species. Plant species composition and production are highly variable. Weedy plants can provide pollinator habitat along with spring and summer cover for many mammals and birds, and their young. The response by wildlife species will be dependent upon plant community composition, vegetative stature, patch size, and management activities (such as prescribed grazing, burning, inter-seeding, haying, or noxious weed control).

Successful range planting/restoration of native species along Transition Pathway R4A can result in a native grass and forb community in State 2.0. Over time, with no management, the exotic cool- season perennial grasses (Kentucky bluegrass, smooth brome, and/or quackgrass) generally become re-established and dominate the community. Prescribed grazing and/or fire will be needed to maintain this plant community within State 2.0. Failed native grass planting will keep this plant community within State 3.0.

Animal Community – Grazing Interpretations

This site is well adapted to managed grazing by domestic livestock. The predominance of herbaceous plants across all plant community phases best lends these sites to grazing by cattle, but other domestic grazers with differing diet preferences may also be a consideration depending upon management objectives. Often, the current plant community does not match any particular plant community (as described in the ecological site description). Because of this, a resource inventory is necessary to document plant composition and production. Proper interpretation of this inventory data will permit the establishment of a safe, initial stocking rate for the type and class of animals and level of grazing management. More accurate stocking rate estimates should eventually be calculated using actual stocking rate information and monitoring data.

NRCS defines prescribed grazing as “managing the harvest of vegetation with grazing and/or browsing animals with the intent to achieve specific ecological, economic, and management objectives”. As used in this site description, the term ‘prescribed grazing’ is intended to include multiple grazing management systems (e.g., rotational grazing, twice-over grazing, conservation grazing, targeted grazing, etc.) provided that, whatever management system is implemented, it meets the intent of prescribed grazing definition.

The basic grazing prescription addresses balancing forage demand (quality and quantity) with available forage, varying grazing and deferment periods from year-to-year, matching recovery/deferment periods to growing conditions when pastures are grazed more than once in a growing season, implementation of a contingency (e.g., drought) plan, and a monitoring plan. When the management goal is to facilitate change from one plant community phase or state to another, then the prescription needs to be designed to shift the competitive advantage to favor the native grass and forb species.

Grazing levels are noted within the plant community narratives and pathways in reference to grazing/prescribed grazing management. “Degree of utilization” is defined as the proportion of the current years forage production that is consumed and/or destroyed by grazing animals (may refer to a single plant species or a portion or all the vegetation). “Grazing utilization” is classified as slight, moderate, full, close, and severe (see the following table for description of each grazing use category). The following utilization levels are also described in the Ranchers Guide to Grassland Management IV. Utilization levels are determined by using the landscape appearance method as outlined in the Interagency Technical Reference “Utilization Studies and Residual Measurements” 1734-3.

Utilization Level % Use Description
Slight (Light) 0-20 Appears practically undisturbed when viewed obliquely. Only choice areas and forage utilized.

Moderate 20-40 Almost all of accessible range shows grazing. Little or no use of poor forage. Little evidence of trailing to grazing.

Full 40-60 All fully accessible areas are grazed. The major sites have key forage species properly utilized (about half taken, half left). Points of concentration with
overuse limited to 5 to 10 percent of accessible area.

Close (Heavy) 60-80 All accessible range plainly shows use and major sections closely cropped. Livestock forced to use less desirable forage, considering seasonal preference.

Severe > 80 Key forage species completely used. Low-value forages are dominant.

Hydrological functions

Available water is the principal factor limiting forage production on this site. This site is dominated by soils in hydrologic group D. Infiltration is typically moderate to moderately slow and runoff potential for this site varies from medium to very high depending on surface texture, slope percent, and ground cover. In many cases, areas with greater than 75% ground cover have the greatest potential for high infiltration and lower runoff. An example of an exception would be where shortgrasses form a strong sod and dominate the site. Dominance by blue grama, Kentucky bluegrass, and/or smooth brome will result in reduced infiltration and increased runoff. Areas where ground cover is less than 50% have the greatest potential to have reduced infiltration and higher runoff (refer to Section 4, NRCS National Engineering Handbook for runoff quantities and hydrologic curves).

Recreational uses

Hunting and Bird Watching: National wildlife refuges, waterfowl production areas, state wildlife management areas (WMA), and North Dakota and South Dakota Department of Trust Lands provide herbaceous and woody cover for wildlife. National Wildlife Refuges and waterfowl production areas are owned and managed by the United States Fish and Wildlife Service and are available for public hunting, hiking, and bird watching. In addition, the United States Army Corps of Engineers and the United States Bureau of Reclamation manage three man-made reservoirs - Jamestown Reservoir (2,036 acres), Pipestem Reservoir (1,027 acres), and Lake Ashtabula (5,174 acres) for flood control, also providing fish habitat and adjacent uplands for wildlife cover. Lonetree WMA is the largest state managed wildlife area covering 32,800 acres. Numerous WMAs in North Dakota and Game Production Areas in South Dakota are found within this MLRA. The largest refuges managed by the United States Fish and Wildlife service are Arrowwood National Wildlife Refuge (NWR) Complex consists of 75,000 acres and Tewaukon National NWR covers 8,363 acres.

Fishing: Approximately 100 lakes are managed for public fishing within MLRA 55B. Most of these lakes offer boat docks and ramps. These lakes contain various sport fish including walleye, northern pike, yellow perch, catfish, trout, crappie, and bluegill. Many of these lakes are known for excellent round-around walleye and yellow perch fishery.

Camping: Fort Ramson State Park, Pipestem Reservoir, Jamestown Reservoir, Spiritwood Lake, Clausen Springs, Little Yellowstone, Richmond Lake State Recreation Area, Mina Lake State Recreation Area, and other public and private campgrounds are found within the MLRA. Limited, primitive camping is available on wildlife management areas. Ft. Ransom State Park (North Dakota), located along the Sheyenne River has a designated horse park with 15 miles of trails.

Hiking/Biking/Horseback Riding: Horseback riders, hikers, and biker can enjoy over 15 miles of multi-use trails at Fort Ransom State Park. The Jamestown Reservoir (5 miles), Pipestem Reservoir (8 miles) and Arrowwood National Wildlife Refuge (9.4 miles) maintain hiking trails. The Lonetree Wildlife Management Area has a 32- mile segment of the North Country Trail. It is designed for hiking and non-motorized travel including mountain bikes or horseback riding.

Canoeing/Kayaking: The Sheyenne River offers 278 miles of canoeing/kayaking from May-July. A kayak kiosk is located at Valley City and canoe/kayak rentals are available at Fort Ransom State Park. The James River has a canoe trail starting in Grand Rapids and canoeing down to the James River Dam site in LaMoure; no rentals are available.

Auto Tour: A 63-mile scenic drive starts north of Valley City and heading south through Sheyenne River Valley. Audubon National Wildlife Refuge offers a 5.5-mile auto-tour route winding through both prairie grassland and wetland habitats of the lower portion of the James River Valley.

Wood products

There are no significant wood products found on this site.

Other products

Seed harvest of native plant species can provide additional income on this site.

Other information

Site Development and Testing Plan
• Further evaluation and refinement of the State-and-Transition model may be needed to identify disturbance driven dynamics. Additional states and/or phases may be required to address grazing response.
• Further documentation may be needed for plant communities in all states. Plant data has been collected in previous range-site investigations, including clipping data; however, this data needs review. If geo-referenced sites meeting Tier 3 standards for either vegetative or soil data are not available, representative sites will be selected for further investigation.
• Site concepts will be refined as the above noted investigations are completed.
• NASIS revisions needed:
o Components of ‘Kloten, west’ should be relinked from 53B Shallow Loamy to 55B Shallow Loamy. The shaly parent material fits that ESD better and all map units with these components border MLRA 55B.
o One minor component of Flasher is linked to Shallow Loamy; it needs to be relinked to Shallow Sandy.

This ESD is the best available knowledge. The site concept and species composition table have been used in the field and tested for more than five years. It is expected that as additional information becomes available revisions may be required.

Inventory data references

Information presented here has been derived from NRCS and other federal/state agency clipping and inventory data. Also, field knowledge of range-trained personnel was used. All descriptions were peer reviewed and/or field-tested by various private, state and federal agency specialists.

Other references

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Briske, D.D. (editor). 2017. Rangeland systems – processes, management, and challenges. Springer Series on Environmental Management. 661 pages.

Burgess, R.L. 1965. A study of plant succession in the sandhills of southeastern North Dakota. Proceedings ND Academy of Science 19:62-80

DeKeyser, E.S., G. Clambey, K. Krabbenhoft, and J. Ostendorf. 2009. Are changes in species composition on central North Dakota rangelands due to non-use management? Rangelands 31:16-19

Dix, R.L. and F.E. Smeins. 1967. The prairie, meadow, and marsh vegetation of Nelson County, North Dakota. Canadian Journal of Botany 45:21-57.

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Palit, R., G. Gramig, and E.S. DeKeyser. 2021. Kentucky bluegrass invasion in the Northern Great Plains and prospective management approaches to mitigate its spread. Plants: 10,817. https://doi.org/10.3390/plants10040817

Printz, J.L. and J.R. Hendrickson. 2015. Impacts of Kentucky bluegrass Invasion (Poa pratensis) on ecological processes in the Northern Great Plains. Rangelands 37(6):226-232.

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Reeves, J.L., J.D. Derner, M.A. Sanderson, J.R. Hendrickson, S.L. Kronberg, M.K. Petersen, and L.T. Vermeire. 2014. Seasonal weather influences on yearling beef steer production in C3-dominated Northern Great Plains rangeland. Agriculture, Ecosystems and Environment 183:110-117.

Royer, R. A., 2003. Butterflies of North Dakota: an atlas and guide. Minot State University, Minot, ND.

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Spaeth, K.E., Hayek, M.A., Toledo, D., and Hendrickson, J. 2019. Cool season grass impacts on native mixedgrass prairie species in the Norther Great Plains. America’s Grassland Conference: Working Across Boundaries. The Fifth Biennial Conference on the Conservation of America’s Grasslands. Bismarck, ND. 20- 22 August.

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Contributors

ND NRCS: David Dewald, Jonathan Fettig, Alan Gulsvig, Mark Hayek, Chuck Lura, Jeff Printz, Steve Sieler, and Hal Weiser.

Approval

Suzanne Mayne-Kinney, 4/25/2025

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