HydroBASINS lev08 watershed · #7080126150
Bassin de Bell-Irving 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 : Kitimat-Stikine
Sub-basin area
285,1km²
Upstream area
1 917,7km²
Discharge
54,65m³/s
Mean elev.
1 071m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bell-Irving River1296 km²
- Bassin de Teigen Creek337 km²
1 dept-equivalent regions (GADM L2)
- 286.5 km²100.0% of basin
1 intersecting protected areas
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas
34.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
224 distinct species · 663 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Bell-Irving River : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 109 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 19 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°
0,6°C
Annual rain
809mm
Moisture idx (CMI)
0,30
Runoff
1 051mm/an
PET
563mm
AET
435mm
Mean slope
19,0°
Water table
544cm
Forest
22%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)