HydroBASINS lev08 watershed · #7080258320
Bassin de Rivière Joseph
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 : Sept-Rivières--Caniapiscau
Sub-basin area
1 599,1km²
Upstream area
12 076km²
Discharge
257,18m³/s
Mean elev.
575m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Moisie2665 km²
- Bassin de Rivière Caopacho1791 km²
1 dept-equivalent regions (GADM L2)
- 1605.0 km²100.0% of basin
9 intersecting protected areas
Proposed aquatic reserve
400.93 km² overlap
Land reserved for protected area
32.11 km² overlap
09452R045 Biological Refuge
IUCN IVBiological refuge
4.72 km² overlap
09452R051 Biological Refuge
IUCN IVBiological refuge
2.63 km² overlap
09451R418 Biological Refuge
IUCN IVBiological refuge
1.89 km² overlap
09452R059 Biological Refuge
IUCN IVBiological refuge
1.76 km² overlap
09452R058 Biological Refuge
IUCN IVBiological refuge
1.58 km² overlap
09452R064 Biological Refuge
IUCN IVBiological refuge
1.44 km² overlap
09452R062 Biological Refuge
IUCN IVBiological refuge
1.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
54 distinct species · 152 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 Rivière Joseph : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 3 types (connectance 9.8%, filtre Serrano α=0.2). 2 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°
-2,5°C
Annual rain
1 010mm
Moisture idx (CMI)
0,46
Runoff
778mm/an
PET
541mm
AET
506mm
Mean slope
7,8°
Water table
189cm
Forest
78%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)