HydroBASINS lev08 watershed · #7080285850
Bassin de Rivière Obatogamau
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
850,8km²
Upstream area
3 570,3km²
Discharge
76,44m³/s
Mean elev.
352m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Obatogamau396 km²
- Bassin de Rivière Obatogamau286 km²
1 dept-equivalent regions (GADM L2)
- 853.6 km²100.0% of basin
2 intersecting protected areas
02665R013 Biological Refuge
IUCN IVBiological refuge
1.13 km² overlap
02665R005 Biological Refuge
IUCN IVBiological refuge
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
212 distinct species · 1 502 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Obatogamau : 18 espèces reliées par 77 interactions GloBI sur 6 types (connectance 12.9%, 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
923mm
Moisture idx (CMI)
0,31
Runoff
665mm/an
PET
635mm
AET
550mm
Mean slope
1,1°
Water table
12cm
Forest
76%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)