HydroBASINS lev08 watershed · #7080370930
Bassin de Yellowstone River irrigation District Canal
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 : Custer
Sub-basin area
139,3km²
Upstream area
124 157,6km²
Discharge
402,88m³/s
Mean elev.
772m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yellowstone River1715 km²
- Bassin de Tongue River391 km²
1 dept-equivalent regions (GADM L2)
- Custer139.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
434 distinct species · 4 387 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 irrigation District Canal : 15 espèces reliées par 103 interactions GloBI sur 4 types (connectance 22.2%, filtre Serrano α=0.2). 16 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°
7,4°C
Annual rain
329mm
Moisture idx (CMI)
-0,68
Runoff
28mm/an
PET
1 029mm
AET
288mm
Mean slope
2,7°
Water table
433cm
Forest
0%
Crops
10%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)