HydroBASINS lev08 watershed · #7080093320
Bassin de Rivière Decoumte
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 : Nord-du-Québec
Sub-basin area
1 396,6km²
Upstream area
14 101,6km²
Discharge
185,24m³/s
Mean elev.
100m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Decoumte1703 km²
- Bassin de Rivière Decoumte1665 km²
1 dept-equivalent regions (GADM L2)
- 1404.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
108 distinct species · 149 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Decoumte : 30 espèces reliées par 40 interactions GloBI sur 2 types (connectance 8.1%, 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°
-7,4°C
Annual rain
384mm
Moisture idx (CMI)
0,21
Runoff
487mm/an
PET
304mm
AET
257mm
Mean slope
1,9°
Water table
60cm
Forest
5%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)