HydroBASINS lev08 watershed · #7080392960
Bassin de Yellowstone River
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 : Stillwater, Sweet Grass
Sub-basin area
508,2km²
Upstream area
16 771,1km²
Discharge
128,47m³/s
Mean elev.
1 407m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sweet Grass Creek936 km²
- Bassin de Log Cabin Creek422 km²
2 dept-equivalent regions (GADM L2)
- 485.1 km²95.2% of basin
- 24.3 km²4.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
353 distinct species · 10 044 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Yellowstone River : 24 espèces reliées par 110 interactions GloBI sur 4 types (connectance 16.5%, filtre Serrano α=0.2). 13 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°
6,7°C
Annual rain
430mm
Moisture idx (CMI)
-0,57
Runoff
247mm/an
PET
999mm
AET
372mm
Mean slope
6,5°
Water table
501cm
Forest
62%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)