HydroBASINS lev08 watershed · #7080290350
Bassin de Oldman 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 : Division No. 2, Division No. 3
Sub-basin area
342,1km²
Upstream area
12 863,7km²
Discharge
80,1m³/s
Mean elev.
942m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Belly River671 km²
- Bassin de Oldman River556 km²
2 dept-equivalent regions (GADM L2)
- 182.9 km²53.3% of basin
- 160.3 km²46.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
473 distinct species · 3 279 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Oldman River : 16 espèces reliées par 120 interactions GloBI sur 3 types (connectance 24.2%, 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°
5,1°C
Annual rain
401mm
Moisture idx (CMI)
-0,53
Runoff
149mm/an
PET
848mm
AET
352mm
Mean slope
1,4°
Water table
164cm
Forest
26%
Crops
48%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)