Marshall County
IUCN VWaterfowl Production Area
220 km²
County · USA
Roberts
United States
DfaCold, no dry season, hot summer(78 %)
Species observed
1 374
Observations
76 737
Area
2 933km²
Ecological tissue
Sample of 37 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Roberts : 28 espèces reliées par 77 interactions GloBI sur 4 types (connectance 11.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
77
Connectance
0.116
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 374 distinct species · 76 737 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,5°C
Annual rain
634mm
Warmest m°
27,7°C
Coldest m°
-14,3°C
Elevation: 404 m on average (min 293 m, max 629 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,5°C
Annual rain
634mm
Warmest month
27,7°C
Coldest month
-14,3°C
Mean alt.
404m
Min
293m
Max
629m
Std. dev.
100m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(78 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
35,7g/kg
Clay
31,6%
Sand
28,2%
Silt
40,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,0
Org. C
54,6g/kg
Clay
31,3%
Sand
28,3%
Silt
40,4%
5–15 cm
pH H₂O
7,1
Org. C
31,7g/kg
Clay
31,4%
Sand
28,3%
Silt
40,3%
15–30 cm
pH H₂O
7,2
Org. C
20,9g/kg
Clay
32,3%
Sand
27,9%
Silt
39,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.5%
Crops61.7%
Built-up0.1%
Bare soil0.9%
Other (grassland, water…)29.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 45 lakes · 16 rivers
Hydrology metrics for this exact territory
Stream length here
415,3km
Lake surface here
79,32km²
Basins crossed
10
Max stream order
4
Max drainage
4 613km²
Discharge in basins
12,0m³/s
Mean precip.
540mm/an
Mean T°
6,2°C
Moisture idx
-0,43
Max snow
30%
Mean runoff
76mm/an
Mean elev. (basins)
395m
Watersheds crossing here
- Bassin de Little Minnesota Riversub-area1 903,4 km²overlap1249.93 km²43%
- Bassin de Cottonwood Sloughsub-area875 km²overlap596.72 km²20%
- Bassin de North Fork Whetstone Riversub-area1 040,7 km²overlap379.46 km²13%
- Bassin de Bois de Sioux Riversub-area601 km²overlap272.64 km²9%
- Basin #11020sub-area1 183,2 km²overlap263.79 km²9%
- Basin #96630sub-area259,2 km²overlap75.90 km²3%
- Bassin de Big Sioux Riversub-area562,3 km²overlap39.10 km²1%
- Bassin de Wild Rice Riversub-area1 559,5 km²overlap34.23 km²1%
- Bassin de Shortfoot Creeksub-area319,7 km²overlap15.70 km²1%
1 more basinssorted by overlap
Lakes (45, top by area)
- Big Stone Lakearea44,6 km²avg depth5.7 m
- Lake Traversearea42,5 km²avg depth6.1 m
- Mud Lakearea9,8 km²avg depth1.7 m
- Cottonwood Lakearea8 km²avg depth6.5 m
- Bullhead Lakearea3,8 km²avg depth1.8 m
- Drywood Lakesarea3,7 km²avg depth3.1 m
- Lake #08702area3,4 km²avg depth3.9 m
- Clubhouse Lakearea2,3 km²avg depth1.2 m
- Lake Bdesakaarea1,3 km²avg depth2.8 m
36 more lakes
- Lake #08727area1,2 km²avg depth1.0 m
- Lake #08806area1,2 km²avg depth1.6 m
- Lac 1037898area1 km²avg depth2.6 m
- Lac 1033609area0,7 km²avg depth3.9 m
- Lac 1034616area0,7 km²avg depth2.0 m
- Lac 1034438area0,6 km²avg depth1.8 m
- Lac 1033729area0,6 km²avg depth3.0 m
- Lac 1036144area0,5 km²avg depth3.0 m
- Lac 1037709area0,5 km²avg depth3.7 m
- Lac 1037038area0,5 km²avg depth2.8 m
- Lac 1037866area0,3 km²avg depth2.3 m
- Lac 1035666area0,3 km²avg depth1.8 m
- Lac 1036051area0,3 km²avg depth3.1 m
- Lac 1037315area0,3 km²avg depth2.3 m
- Lac 1033945area0,3 km²avg depth2.7 m
- Lac 1035695area0,3 km²avg depth3.6 m
- Lac 1035169area0,3 km²avg depth1.7 m
- Lac 1034515area0,3 km²avg depth1.7 m
- Lac 1037252area0,3 km²avg depth1.8 m
- Lac 1033266area0,3 km²avg depth2.9 m
- Lac 1036767area0,3 km²avg depth2.9 m
- Lac 1036370area0,2 km²avg depth2.6 m
- Lac 1034269area0,2 km²avg depth1.6 m
- Lac 1036355area0,2 km²avg depth2.9 m
- Lac 1033748area0,2 km²avg depth1.8 m
- Lac 1033814area0,2 km²avg depth2.1 m
- Lac 1034043area0,2 km²avg depth1.6 m
- Lac 1036734area0,2 km²avg depth2.3 m
- Lac 1036738area0,2 km²avg depth2.2 m
- Lac 1036827area0,2 km²avg depth2.2 m
- Lac 1034450area0,2 km²avg depth1.3 m
- Lac 1033919area0,2 km²avg depth1.9 m
- Lac 1038089area0,1 km²avg depth2.5 m
- Lac 1035616area0,1 km²avg depth2.5 m
- Lac 1038560area0,1 km²avg depth2.0 m
- Lac 1035956area0,1 km²avg depth2.1 m
Rivers / streams (16, ord ≥ 4)
- Little Minnesota Riverord 4len here81.26 km71%total115 km
- North Fork Whetstone Riverord 3len here68.91 km62%total112 km
- Cottonwood Sloughord 3len here45.89 km100%total46 km
- Minnesota Riverord 7len here38.07 km6%total659 km
- Bois de Sioux Riverord 4len here34.01 km21%total160 km
- Big Sloughord 3len here22.99 km44%total53 km
- Agency Creekord 2len here21.01 km84%total25 km
- Jim Creekord 3len here19.59 km89%total22 km
- Jorgenson Riverord 3len here19.17 km100%total19 km
- Big Coulee Creekord 1len here15.14 km100%total15 km
- Hines Creekord 3len here13.50 km100%total13 km
- Hartford Beach Creekord 2len here12.01 km100%total12 km
4 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
10,0%
Pesticides
18,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas49
IUCN V · 48IUCN III · 1
Roberts County
IUCN VWaterfowl Production Area
159 km²
Wetlands Reserve Program (WRP), Roberts, SD
IUCN VReserve Program · 1995
37 km²
Roberts County
IUCN VWaterfowl Production Area
34 km²
White Rock
IUCN VState Wildlife Management Area
12 km²
Roberts County
IUCN VWaterfowl Production Area
8 km²
Complete list49 protected areas
- Marshall CountyWaterfowl Production AreaIUCN V220 km²
- Roberts CountyWaterfowl Production AreaIUCN V159 km²
- Wetlands Reserve Program (WRP), Roberts, SDReserve ProgramIUCN V199537 km²
- Roberts CountyWaterfowl Production AreaIUCN V34 km²
- White RockState Wildlife Management AreaIUCN V12 km²
- Roberts CountyWaterfowl Production AreaIUCN V8 km²
- Roberts CountyWaterfowl Production AreaIUCN V19997 km²
- Roberts CountyWaterfowl Production AreaIUCN V7 km²
- MudLakeIUCN V4 km²
- Emergency Wetlands Reserve Program (EWetlands Reserve Program (WRP)), Roberts, SDReserve ProgramIUCN V19954 km²
- Sica HollowState Recreation AreaIUCN V4 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Roberts, SDConservation EasementIUCN V20182 km²
- Reservation DamState Wildlife Management AreaIUCN V2 km²
- Peever Slough + 40State Wildlife Management AreaIUCN V2 km²
- Roberts CountyWaterfowl Production AreaIUCN V2 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Roberts, SDConservation EasementIUCN V2 km²
- HolmanState Wildlife Management AreaIUCN V2 km²
- SummitState Wildlife Management AreaIUCN V1 km²
- HartfordBeachIUCN III1 km²
- EastmanState Wildlife Management AreaIUCN V1 km²
- Harmon (dry Run #3)State Wildlife Management AreaIUCN V1 km²
- OrtleyState Wildlife Management AreaIUCN V1 km²
- Dry Run #2State Wildlife Management AreaIUCN V1 km²
- Crawford (dry Run)State Wildlife Management AreaIUCN V1 km²
- Roberts CountyWaterfowl Production AreaIUCN V19981 km²
- VictorState Wildlife Management AreaIUCN V0 km²
- SmithState Wildlife Management AreaIUCN V0 km²
- Bois De SiouxState Wildlife Management AreaIUCN V0 km²
- Big Stone IslandNature AreaIUCN V0 km²
- DiamondState Wildlife Management AreaIUCN V0 km²
- OsterlohState Wildlife Management AreaIUCN V0 km²
- Knutson (dry Run)State Wildlife Management AreaIUCN V0 km²
- ShepardState Wildlife Management AreaIUCN V0 km²
- SpinkState Wildlife Management AreaIUCN V0 km²
- DobbersteinState Wildlife Management AreaIUCN V0 km²
- One-roadLakeIUCN V0 km²
- DunnState Wildlife Management AreaIUCN V0 km²
- Big Stone Ponds Game Production AreaPondIUCN V0 km²
- TraverseState Wildlife Management AreaIUCN V0 km²
- North DrywoodState Wildlife Management AreaIUCN V0 km²
- Knebel SloughState Wildlife Management AreaIUCN V0 km²
- BraatenState Wildlife Management AreaIUCN V0 km²
- Big StoneLakeIUCN V0 km²
- WaldoState Wildlife Management AreaIUCN V0 km²
- Sather SloughState Wildlife Management AreaIUCN V0 km²
- South DrywoodState Wildlife Management AreaIUCN V0 km²
- KasuskeWildlife Management AreaIUCN V0 km²
- HiawathaFishing AccessIUCN V0 km²
- Jensen's AdditionState Wildlife Management AreaIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN