HydroBASINS lev08 watershed · #7080101230
Bassin de Kowatua 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
1 491,3km²
Upstream area
8 681,2km²
Discharge
107,64m³/s
Mean elev.
1 046m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sheslay River323 km²
- Bassin de Nahlin River77 km²
1 dept-equivalent regions (GADM L2)
- 1499.3 km²100.0% of basin
1 intersecting protected areas
Conservancy
47.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Kowatua Creek : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 4 types (connectance 7.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-0,9°C
Annual rain
668mm
Moisture idx (CMI)
0,21
Runoff
921mm/an
PET
522mm
AET
393mm
Mean slope
17,7°
Water table
466cm
Forest
36%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)