HydroBASINS lev08 watershed · #8080020460
Bassin de Duchikmiut 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 : Bethel
Sub-basin area
244,8km²
Upstream area
244,8km²
Discharge
1,21m³/s
Mean elev.
43m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 246.1 km²100.0% of basin
3 intersecting protected areas
Nunivak
IUCN IbWilderness Area
245.72 km² overlap
Marine Protected Area
245.72 km² overlap
Yukon Delta
IUCN IVNational Wildlife Refuge
245.72 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
96 distinct species · 123 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Duchikmiut River : 28 espèces reliées par 45 interactions GloBI sur 5 types (connectance 6.8%, filtre Serrano α=0.2). 9 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°
-0,6°C
Annual rain
709mm
Moisture idx (CMI)
0,49
Runoff
441mm/an
PET
359mm
AET
333mm
Mean slope
1,2°
Water table
256cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)