HydroBASINS lev08 watershed · #8080244560
Bassin de Chuilnak 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
367,9km²
Upstream area
3 591,2km²
Discharge
61,89m³/s
Mean elev.
52m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chuilnak River1588 km²
- Bassin de Chuilnak River122 km²
1 dept-equivalent regions (GADM L2)
- 370.1 km²100.0% of basin
3 intersecting protected areas
Yukon Delta
IUCN IVNational Wildlife Refuge
368.41 km² overlap
Marine Protected Area
368.41 km² overlap
Andreafsky
IUCN IbWilderness Area
108.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
46 distinct species · 283 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 Chuilnak River : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 2 types (connectance 14.3%, filtre Serrano α=0.2). 4 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°
-2,4°C
Annual rain
414mm
Moisture idx (CMI)
0,00
Runoff
608mm/an
PET
413mm
AET
318mm
Mean slope
3,1°
Water table
70cm
Forest
3%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)