HydroBASINS lev08 watershed · #7080061900
Bassin de Northwest 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 : Division No. 2, Division No. 3, Division No. 7
Sub-basin area
773,8km²
Upstream area
773,8km²
Discharge
25,52m³/s
Mean elev.
188m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- Division No. 7769.0 km²99.1% of basin
- Division No. 26.4 km²0.8% of basin
- Division No. 30.6 km²0.1% of basin
2 intersecting protected areas
Wilderness Reserve
474.23 km² overlap
National Park
6.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
48 distinct species · 124 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Northwest River : 14 espèces reliées par 17 interactions GloBI sur 2 types (connectance 11.1%, filtre Serrano α=0.2). 4 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°
4,2°C
Annual rain
1 253mm
Moisture idx (CMI)
0,50
Runoff
1 065mm/an
PET
621mm
AET
578mm
Mean slope
1,4°
Water table
105cm
Forest
19%
Crops
0%
Urban
0%
Protected
62%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)