HydroBASINS lev08 watershed · #7080252250
Bassin de Rivière Olomane
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 : Minganie--Basse-Côte-Nord
Sub-basin area
890,8km²
Upstream area
2 388,9km²
Discharge
63,79m³/s
Mean elev.
406m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Olomane948 km²
- Bassin de Rivière Olomane550 km²
1 dept-equivalent regions (GADM L2)
- 894.1 km²100.0% of basin
1 intersecting protected areas
Côte-Nord 2 Territorial reserve for protected area purposes
IUCN Not ReportedLand reserved for protected area
112.99 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 28 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 Olomane : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-1,2°C
Annual rain
1 140mm
Moisture idx (CMI)
0,56
Runoff
917mm/an
PET
501mm
AET
491mm
Mean slope
4,5°
Water table
81cm
Forest
68%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)