HydroBASINS lev08 watershed · #7080381190
Bassin de Rivière Coulonge
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 : Pontiac
Sub-basin area
514km²
Upstream area
3 906,1km²
Discharge
51,88m³/s
Mean elev.
295m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
14 intersecting protected areas
Land set aside Rivières-Noire-et-Coulonge
IUCN Not ReportedLand set aside
126.48 km² overlap
Habitat of a threatened or vulnerable wildlife species
4.24 km² overlap
07152R054 Biological Refuge
IUCN IVBiological refuge
1.68 km² overlap
07151R053 Biological Refuge
IUCN IVBiological refuge
0.86 km² overlap
07152R053 Biological Refuge
IUCN IVBiological refuge
0.82 km² overlap
07152R076 Biological Refuge
IUCN IVBiological refuge
0.82 km² overlap
07151R054 Biological Refuge
IUCN IVBiological refuge
0.75 km² overlap
07152R082 Biological Refuge
IUCN IVBiological refuge
0.72 km² overlap
07152R079 Biological Refuge
IUCN IVBiological refuge
0.68 km² overlap
5 more protected areassorted by overlap area
Lac Jim Muskrat Habitat
IUCN VIMuskrat habitat
0.63 km² overlap
07152R098 Biological Refuge
IUCN IVBiological refuge
0.61 km² overlap
07152R067 Biological Refuge
IUCN IVBiological refuge
0.44 km² overlap
07151R048 Biological Refuge
IUCN IVBiological refuge
0.24 km² overlap
07152R070 Biological Refuge
IUCN IVBiological refuge
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
161 distinct species · 693 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 Rivière Coulonge : 21 espèces reliées par 56 interactions GloBI sur 4 types (connectance 12.0%, filtre Serrano α=0.2). 10 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°
3,7°C
Annual rain
902mm
Moisture idx (CMI)
0,13
Runoff
377mm/an
PET
786mm
AET
612mm
Mean slope
5,2°
Water table
209cm
Forest
97%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)