HydroBASINS lev08 watershed · #7080131540
Bassin de Rivière Nastapoka
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
446,1km²
Upstream area
2 449,8km²
Discharge
53,32m³/s
Mean elev.
343m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Nastapoka372 km²
- Bassin de Rivière Nastapoka293 km²
1 dept-equivalent regions (GADM L2)
- 448.3 km²100.0% of basin
2 intersecting protected areas
Quebec's national park
332.61 km² overlap
Land reserved for protected area
115.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
32 distinct species · 201 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Nastapoka : 7 espèces reliées par 8 interactions GloBI sur 1 type (connectance 28.6%, 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°
-5,8°C
Annual rain
622mm
Moisture idx (CMI)
0,38
Runoff
712mm/an
PET
384mm
AET
345mm
Mean slope
2,7°
Water table
52cm
Forest
64%
Crops
0%
Urban
0%
Protected
74%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)