HydroBASINS lev08 watershed · #8080005250
Bassin de Aphrewn 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 : Wade Hampton
Sub-basin area
146,8km²
Upstream area
2 906,3km²
Discharge
51,6m³/s
Mean elev.
10m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Kashunuk River440 km²
- Bassin de Kashunuk River333 km²
1 dept-equivalent regions (GADM L2)
- 117.3 km²79.5% of basin
2 intersecting protected areas
Marine Protected Area
144.15 km² overlap
Yukon Delta
IUCN IVNational Wildlife Refuge
144.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
78 distinct species · 6 009 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Aphrewn River : 17 espèces reliées par 52 interactions GloBI sur 2 types (connectance 18.8%, filtre Serrano α=0.2). 7 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°
-1,2°C
Annual rain
641mm
Moisture idx (CMI)
0,41
Runoff
700mm/an
PET
375mm
AET
337mm
Mean slope
0,3°
Water table
1cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)