HydroBASINS lev08 watershed · #7080033110
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 1 administrative regions : Minganie--Basse-Côte-Nord
Sub-basin area
1 429,6km²
Upstream area
16 075,6km²
Discharge
382,01m³/s
Mean elev.
152m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Rivière Natashquan Ouest1936 km²
- Bassin de Rivière Natashquan1664 km²
1 dept-equivalent regions (GADM L2)
- 1427.5 km²99.5% of basin
1 intersecting protected areas
Proposed biodiversity reserve
281.95 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
182 distinct species · 593 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 123 interactions GloBI sur 5 types (connectance 13.6%, filtre Serrano α=0.2). 18 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°
0,4°C
Annual rain
1 081mm
Moisture idx (CMI)
0,50
Runoff
882mm/an
PET
537mm
AET
514mm
Mean slope
3,2°
Water table
81cm
Forest
70%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)