HydroBASINS lev08 watershed · #7080174230
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 : Bulkley-Nechako
Sub-basin area
564,3km²
Upstream area
17 221,4km²
Discharge
125,66m³/s
Mean elev.
816m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nechako River869 km²
- Bassin de Greer Creek393 km²
1 dept-equivalent regions (GADM L2)
- 566.8 km²100.0% of basin
1 intersecting protected areas
BEAUMONT PARK
IUCN Not ReportedA - Park
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
433 distinct species · 4 787 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 : 18 espèces reliées par 62 interactions GloBI sur 5 types (connectance 13.3%, filtre Serrano α=0.2). 13 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°
2,3°C
Annual rain
501mm
Moisture idx (CMI)
-0,31
Runoff
155mm/an
PET
722mm
AET
425mm
Mean slope
4,5°
Water table
269cm
Forest
94%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)