HydroBASINS lev08 watershed · #8080293870
Bassin de Black Angus Creek
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
713,4km²
Upstream area
47 585km²
Discharge
569,19m³/s
Mean elev.
806m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Liard River2578 km²
- Bassin de Dease River924 km²
1 dept-equivalent regions (GADM L2)
- 717.4 km²100.0% of basin
1 intersecting protected areas
NE'ĀH' CONSERVANCY
IUCN IbConservancy
2.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
117 distinct species · 214 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Black Angus Creek : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 4 types (connectance 11.8%, 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°
-3,5°C
Annual rain
459mm
Moisture idx (CMI)
-0,19
Runoff
250mm/an
PET
566mm
AET
380mm
Mean slope
3,5°
Water table
62cm
Forest
89%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)