HydroBASINS lev08 watershed · #8080158060
Bassin de Back River
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 : Keewatin
Sub-basin area
801,8km²
Upstream area
67 650,6km²
Discharge
373,7m³/s
Mean elev.
141m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #8080157460937 km²
- Bassin de Back River94 km²
2 intersecting protected areas
Queen Maud Gulf
IUCN Not ReportedWetland of International Importance (Ramsar Site)
14.75 km² overlap
Migratory Bird Sanctuary
5.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
25 distinct species · 37 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Back River : 8 espèces reliées par 8 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 3 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°
-14,4°C
Annual rain
179mm
Moisture idx (CMI)
-0,31
Runoff
239mm/an
PET
262mm
AET
176mm
Mean slope
4,1°
Water table
85cm
Forest
0%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)