HydroBASINS lev08 watershed · #7080284350
Bassin de Rivière Opaoca
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
1 794,1km²
Upstream area
31 978,5km²
Discharge
625,41m³/s
Mean elev.
281m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Waswanipi893 km²
- Bassin de Rivière Waswanipi406 km²
1 dept-equivalent regions (GADM L2)
- 1800.1 km²100.0% of basin
1 intersecting protected areas
08763R012 Biological Refuge
IUCN IVBiological refuge
3.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
416 distinct species · 1 618 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Opaoca : 23 espèces reliées par 110 interactions GloBI sur 5 types (connectance 14.1%, filtre Serrano α=0.2). 17 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°
-0,2°C
Annual rain
890mm
Moisture idx (CMI)
0,25
Runoff
527mm/an
PET
664mm
AET
561mm
Mean slope
1,5°
Water table
17cm
Forest
75%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)