HydroBASINS lev08 watershed · #7080286990
Bassin de Rivière Isoukustouc
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 : Manicouagan
Sub-basin area
1 254,5km²
Upstream area
1 254,5km²
Discharge
21,64m³/s
Mean elev.
450m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1258.8 km²100.0% of basin
7 intersecting protected areas
Proposed biodiversity reserve
29.24 km² overlap
09351R098 Biological Refuge
IUCN IVBiological refuge
10.88 km² overlap
Rare forest ecosystem
5.47 km² overlap
Lac-Béluga Old-Growth Forest
IUCN IIIOld-growth forest
4.10 km² overlap
09351R085 Biological Refuge
IUCN IVBiological refuge
2.47 km² overlap
09351R086 Biological Refuge
IUCN IVBiological refuge
1.15 km² overlap
09351R097 Biological Refuge
IUCN IVBiological refuge
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
80 distinct species · 100 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 Isoukustouc : 22 espèces reliées par 37 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 8 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°
-1,3°C
Annual rain
1 031mm
Moisture idx (CMI)
0,42
Runoff
561mm/an
PET
600mm
AET
542mm
Mean slope
6,9°
Water table
140cm
Forest
76%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)