HydroBASINS lev08 watershed · #7080341370
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 3 administrative regions : Dawson, McKenzie, Richland
Sub-basin area
697,1km²
Upstream area
177 191,5km²
Discharge
454,74m³/s
Mean elev.
671m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yellowstone River3192 km²
- Bassin · #7080346180646 km²
3 dept-equivalent regions (GADM L2)
- Richland661.4 km²94.6% of basin
- 34.3 km²4.9% of basin
- Dawson3.5 km²0.5% of basin
2 intersecting protected areas
Wildlife Management Area
2.88 km² overlap
Wildlife Management Area
1.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
345 distinct species · 3 969 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 123 interactions GloBI sur 4 types (connectance 16.6%, filtre Serrano α=0.2). 14 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°
5,9°C
Annual rain
357mm
Moisture idx (CMI)
-0,64
Runoff
25mm/an
PET
979mm
AET
312mm
Mean slope
2,1°
Water table
378cm
Forest
0%
Crops
34%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)