HydroBASINS lev08 watershed · #7080177760
Bassin de Nechako 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 : Fraser-Fort George
Sub-basin area
311km²
Upstream area
46 942,5km²
Discharge
351,57m³/s
Mean elev.
712m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nechako River706 km²
- Bassin de Nechako River37 km²
1 dept-equivalent regions (GADM L2)
- 312.4 km²100.0% of basin
1 intersecting protected areas
Nechako River - Tyee
IUCN IVPrivately Owned Conservation Area
0.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
752 distinct species · 32 260 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Nechako River : 26 espèces reliées par 95 interactions GloBI sur 5 types (connectance 13.5%, filtre Serrano α=0.2). 12 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°
3,3°C
Annual rain
613mm
Moisture idx (CMI)
-0,18
Runoff
475mm/an
PET
744mm
AET
495mm
Mean slope
3,4°
Water table
157cm
Forest
87%
Crops
16%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)