HydroBASINS lev08 watershed · #7080382050
Bassin de Rivière Noire
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
457,5km²
Upstream area
2 189,7km²
Discharge
26,1m³/s
Mean elev.
278m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Forant321 km²
- Bassin de Rivière Noire1 km²
15 intersecting protected areas
Land set aside Rivières-Noire-et-Coulonge
IUCN Not ReportedLand set aside
130.68 km² overlap
07151R036 Biological Refuge
IUCN IVBiological refuge
1.25 km² overlap
07151R046 Biological Refuge
IUCN IVBiological refuge
1.14 km² overlap
07151R051 Biological Refuge
IUCN IVBiological refuge
0.87 km² overlap
07151R045 Biological Refuge
IUCN IVBiological refuge
0.82 km² overlap
07151R034 Biological Refuge
IUCN IVBiological refuge
0.80 km² overlap
07151R047 Biological Refuge
IUCN IVBiological refuge
0.76 km² overlap
07151R041 Biological Refuge
IUCN IVBiological refuge
0.76 km² overlap
07151R049 Biological Refuge
IUCN IVBiological refuge
0.74 km² overlap
6 more protected areassorted by overlap area
07151R037 Biological Refuge
IUCN IVBiological refuge
0.70 km² overlap
07151R052 Biological Refuge
IUCN IVBiological refuge
0.69 km² overlap
07152R064 Biological Refuge
IUCN IVBiological refuge
0.60 km² overlap
07151R048 Biological Refuge
IUCN IVBiological refuge
0.49 km² overlap
07152R093 Biological Refuge
IUCN IVBiological refuge
0.08 km² overlap
Heronry
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
117 distinct species · 1 014 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Noire : 20 espèces reliées par 57 interactions GloBI sur 4 types (connectance 13.1%, 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°
3,9°C
Annual rain
889mm
Moisture idx (CMI)
0,10
Runoff
361mm/an
PET
796mm
AET
613mm
Mean slope
4,6°
Water table
206cm
Forest
98%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)