HydroBASINS lev08 watershed · #8080259990
Bassin de Wrigley 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 : Fort Smith
Sub-basin area
1 137km²
Upstream area
19 000,4km²
Discharge
305,18m³/s
Mean elev.
1 152m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Clearwater Creek2273 km²
- Bassin de South Nahanni River999 km²
1 dept-equivalent regions (GADM L2)
- Fort Smith1143.8 km²100.0% of basin
2 intersecting protected areas
National Park
1121.56 km² overlap
Nahanni National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
155.86 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 80 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Wrigley Creek : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 6 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°
-6,9°C
Annual rain
467mm
Moisture idx (CMI)
0,01
Runoff
224mm/an
PET
463mm
AET
359mm
Mean slope
20,7°
Water table
411cm
Forest
11%
Crops
0%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)