HydroBASINS lev08 watershed · #7080320310
Bassin de Big Muddy Creek
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Roosevelt, Sheridan
Sub-basin area
321,1km²
Upstream area
3 640,6km²
Discharge
1,64m³/s
Mean elev.
618m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080318450324 km²
- Bassin · #708031830069 km²
2 dept-equivalent regions (GADM L2)
- Sheridan283.9 km²88.1% of basin
- 38.2 km²11.9% of basin
3 intersecting protected areas
Medicine Lake
IUCN IVNational Wildlife Refuge
95.84 km² overlap
National Wildlife Refuge
50.03 km² overlap
Waterfowl Production Area
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
537 distinct species · 42 669 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Big Muddy Creek : 14 espèces reliées par 46 interactions GloBI sur 3 types (connectance 16.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
4,8°C
Annual rain
346mm
Moisture idx (CMI)
-0,63
Runoff
34mm/an
PET
942mm
AET
304mm
Mean slope
0,7°
Water table
194cm
Forest
0%
Crops
68%
Urban
0%
Protected
32%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)