HydroBASINS lev08 watershed · #7080388700
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
373,4km²
Upstream area
5 374,3km²
Discharge
69,55m³/s
Mean elev.
252m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Coulonge Est1095 km²
- Bassin de Rivière Coulonge514 km²
9 intersecting protected areas
Land set aside Rivières-Noire-et-Coulonge
IUCN Not ReportedLand set aside
29.39 km² overlap
White-tailed deer yard
5.21 km² overlap
07151R005 Biological Refuge
IUCN IVBiological refuge
0.96 km² overlap
07151R006 Biological Refuge
IUCN IVBiological refuge
0.63 km² overlap
07151R007 Biological Refuge
IUCN IVBiological refuge
0.62 km² overlap
07151R039 Biological Refuge
IUCN IVBiological refuge
0.53 km² overlap
07151R010 Biological Refuge
IUCN IVBiological refuge
0.51 km² overlap
07151R040 Biological Refuge
IUCN IVBiological refuge
0.34 km² overlap
Heronry
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
644 distinct species · 17 133 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 : 25 espèces reliées par 88 interactions GloBI sur 4 types (connectance 14.8%, 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°
4,3°C
Annual rain
880mm
Moisture idx (CMI)
0,08
Runoff
357mm/an
PET
805mm
AET
614mm
Mean slope
5,2°
Water table
167cm
Forest
97%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)