HydroBASINS lev08 watershed · #8080292670
Bassin de Dease 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 : Stikine
Sub-basin area
923,5km²
Upstream area
14 545,9km²
Discharge
198,64m³/s
Mean elev.
857m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dease River1733 km²
- Bassin de Blue River1662 km²
1 dept-equivalent regions (GADM L2)
- 928.6 km²100.0% of basin
1 intersecting protected areas
NE'ĀH' CONSERVANCY
IUCN IbConservancy
182.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
166 distinct species · 205 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Dease River : 35 espèces reliées par 101 interactions GloBI sur 5 types (connectance 9.3%, 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
472mm
Moisture idx (CMI)
-0,15
Runoff
279mm/an
PET
560mm
AET
381mm
Mean slope
4,2°
Water table
68cm
Forest
90%
Crops
0%
Urban
0%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)