HydroBASINS lev08 watershed · #7080239850
Bassin de Rivière Natashquan
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 2 administrative regions : Division No. 10, Minganie--Basse-Côte-Nord
Sub-basin area
1 553,2km²
Upstream area
5 720,2km²
Discharge
125,2m³/s
Mean elev.
463m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Marcereau River1187 km²
- Bassin de Rivière Natashquan34 km²
2 dept-equivalent regions (GADM L2)
- 1277.1 km²81.9% of basin
- Division No. 10282.1 km²18.1% of basin
2 intersecting protected areas
Proposed biodiversity reserve
620.16 km² overlap
Côte-Nord 1 Territorial reserve for protected area purposes
IUCN Not ReportedLand reserved for protected area
426.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
75 distinct species · 108 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 Natashquan : 26 espèces reliées par 31 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 5 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°
-2,2°C
Annual rain
1 042mm
Moisture idx (CMI)
0,51
Runoff
692mm/an
PET
513mm
AET
488mm
Mean slope
4,2°
Water table
78cm
Forest
87%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)