Divide County
IUCN VIWaterfowl Production Area
52 km²
County · USA
Williams
United States
BSkArid, steppe, cold(52 %)
Species observed
851
Observations
95 707
Area
5 555,2km²
Ecological tissue
Sample of 28 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 Williams : 20 espèces reliées par 83 interactions GloBI sur 4 types (connectance 22.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
28
Interactions affichées
83
Connectance
0.220
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
851 distinct species · 95 707 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,1°C
Annual rain
386mm
Warmest m°
27,5°C
Coldest m°
-15,2°C
Elevation: 668 m on average (min 556 m, max 761 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,1°C
Annual rain
386mm
Warmest month
27,5°C
Coldest month
-15,2°C
Mean alt.
668m
Min
556m
Max
761m
Std. dev.
48m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(52 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,3
Org. C
25,0g/kg
Clay
30,7%
Sand
32,4%
Silt
36,9%
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
7,2
Org. C
41,8g/kg
Clay
29,4%
Sand
33,0%
Silt
37,7%
5–15 cm
pH H₂O
7,2
Org. C
19,8g/kg
Clay
30,5%
Sand
32,6%
Silt
36,8%
15–30 cm
pH H₂O
7,4
Org. C
13,3g/kg
Clay
32,1%
Sand
31,7%
Silt
36,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.3%
Crops54.8%
Built-up0.1%
Bare soil1.0%
Other (grassland, water…)42.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology21 basins · 32 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
289,5km
Lake surface here
113,82km²
Basins crossed
21
Max stream order
8
Max drainage
426 408km²
Discharge in basins
2 623,7m³/s
Mean precip.
373mm/an
Mean T°
4,6°C
Moisture idx
-0,59
Max snow
30%
Mean runoff
15mm/an
Mean elev. (basins)
663m
Watersheds crossing here
- Basin #18470sub-area732,3 km²overlap712.29 km²13%
- Bassin de White Earth Riversub-area2 657,4 km²overlap652.34 km²12%
- Bassin de Missouri Riversub-area538,6 km²overlap540.21 km²10%
- Bassin de Missouri Riversub-area781,1 km²overlap540.11 km²10%
- Bassin de Stony Creeksub-area374,1 km²overlap375.17 km²7%
- Bassin de Little Muddy Riversub-area334 km²overlap335.01 km²6%
- Bassin de Little Muddy Riversub-area333,6 km²overlap334.57 km²6%
- Bassin de Missouri Riversub-area466,9 km²overlap296.14 km²5%
- Bassin de Little Muddy Riversub-area285,6 km²overlap285.26 km²5%
12 more basinssorted by overlap
- Bassin de Little Muddy Riversub-area282,8 km²overlap283.67 km²5%
- Basin #18460sub-area618,3 km²overlap252.08 km²5%
- Basin #18310sub-area347,9 km²overlap228.63 km²4%
- Bassin de Missouri Riversub-area1 893,6 km²overlap197.58 km²4%
- Basin #16190sub-area1 211,7 km²overlap117.88 km²2%
- Bassin de Little Muddy Riversub-area102,6 km²overlap102.90 km²2%
- Bassin de Missouri Riversub-area255,1 km²overlap91.42 km²2%
- Bassin de Missouri Riversub-area135,4 km²overlap82.62 km²1%
- Bassin de Missouri Riversub-area59,6 km²overlap59.10 km²1%
- Basin #18450sub-area323,7 km²overlap39.37 km²1%
- Bassin de Missouri Riversub-area27,1 km²overlap17.60 km²0%
- Bassin de Missouri Riversub-area25,8 km²overlap10.63 km²0%
Lakes (32, top by area)
- Fort Berthold Reservoirarea1 126,8 km²avg depth26.8 m
- Lake Trentonarea5,1 km²avg depth3.4 m
- Lake #03101area2,8 km²avg depth4.5 m
- Lake #04511area2,5 km²avg depth2.1 m
- Lake #03085area2 km²avg depth1.8 m
- Alkali Lakearea1,5 km²avg depth2.0 m
- Lake Zahlarea1,4 km²avg depth1.5 m
- Holm Lakearea1,1 km²avg depth4.3 m
- Cottonwood Lakearea1 km²avg depth3.0 m
23 more lakes
- Lac 990270area1 km²avg depth2.5 m
- Lac 990716area0,9 km²avg depth3.0 m
- Lac 990027area0,5 km²avg depth2.8 m
- Lac 989838area0,5 km²avg depth4.3 m
- Lac 992995area0,5 km²avg depth2.7 m
- Lac 990483area0,4 km²avg depth2.7 m
- Lac 999699area0,4 km²avg depth2.6 m
- Lac 990330area0,4 km²avg depth2.9 m
- Lac 992940area0,4 km²avg depth2.8 m
- Lac 990084area0,4 km²avg depth2.2 m
- Lac 998011area0,3 km²avg depth2.4 m
- Lac 996254area0,3 km²avg depth3.9 m
- Lac 999995area0,3 km²avg depth1.9 m
- Lac 989824area0,3 km²avg depth3.6 m
- Lac 990551area0,3 km²avg depth2.2 m
- Lac 990177area0,3 km²avg depth2.6 m
- Lac 990699area0,3 km²avg depth2.5 m
- Lac 990465area0,2 km²avg depth3.0 m
- Lac 998736area0,2 km²avg depth1.6 m
- Lac 1000427area0,2 km²avg depth1.0 m
- Lac 990891area0,2 km²avg depth2.0 m
- Lac 990386area0,2 km²avg depth1.7 m
- Lac 989766area0,1 km²avg depth2.4 m
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
3,2nW
Built-up
12,5%
Pesticides
18,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas11
IUCN V · 6IUCN VI · 4IUCN IV · 1
Lewis And Clark
IUCN VWildlife Management Area
50 km²
Sheridan County Waterfowl Production Area Of Mt
IUCN VIWaterfowl Production Area · 1962
44 km²
Trenton
IUCN VState Wildlife Management Area
26 km²
Williams County
IUCN VWaterfowl Production Area
18 km²
Williams County
IUCN VIWaterfowl Production Area · 1963
18 km²
Complete list11 protected areas
- Divide CountyWaterfowl Production AreaIUCN VI52 km²
- Lewis And ClarkWildlife Management AreaIUCN V50 km²
- Sheridan County Waterfowl Production Area Of MtWaterfowl Production AreaIUCN VI196244 km²
- TrentonState Wildlife Management AreaIUCN V26 km²
- Williams CountyWaterfowl Production AreaIUCN V18 km²
- Williams CountyWaterfowl Production AreaIUCN VI196318 km²
- Lake ZahlNational Wildlife RefugeIUCN IV16 km²
- HofflundState Wildlife Management AreaIUCN V6 km²
- Blue RidgeState Wildlife Management AreaIUCN V1 km²
- Mcgregor DamState Wildlife Management AreaIUCN V1 km²
- Fort Union Trading PostNational Historic SiteIUCN VI0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN