HydroBASINS lev08 watershed · #7080375720
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 4 administrative regions : Musselshell, Rosebud, Treasure, Yellowstone
Sub-basin area
2 040,9km²
Upstream area
97 830,5km²
Discharge
377,9m³/s
Mean elev.
921m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
4 dept-equivalent regions (GADM L2)
- 1228.9 km²60.1% of basin
- 461.1 km²22.5% of basin
- 275.1 km²13.4% of basin
- 81.1 km²4.0% of basin
1 intersecting protected areas
Reserve Program
0.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
458 distinct species · 6 262 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 : 21 espèces reliées par 99 interactions GloBI sur 4 types (connectance 21.3%, 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°
7,5°C
Annual rain
352mm
Moisture idx (CMI)
-0,67
Runoff
35mm/an
PET
1 077mm
AET
305mm
Mean slope
2,2°
Water table
513cm
Forest
0%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)