HydroBASINS lev08 watershed · #7080363100
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 1 administrative regions : Prairie
Sub-basin area
375,5km²
Upstream area
162 952,8km²
Discharge
441,46m³/s
Mean elev.
751m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Powder River1493 km²
- Bassin de Yellowstone River34 km²
1 dept-equivalent regions (GADM L2)
- 376.5 km²100.0% of basin
1 intersecting protected areas
Terry Badlands
IUCN IbWilderness Study Area
124.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
443 distinct species · 4 606 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 99 interactions GloBI sur 4 types (connectance 18.8%, filtre Serrano α=0.2). 9 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°
6,5°C
Annual rain
315mm
Moisture idx (CMI)
-0,69
Runoff
45mm/an
PET
1 023mm
AET
276mm
Mean slope
2,5°
Water table
387cm
Forest
1%
Crops
11%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)