HydroBASINS lev08 watershed · #8080003150
Bassin de Aniakchak 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 : Lake and Peninsula
Sub-basin area
461,2km²
Upstream area
461,2km²
Discharge
4,91m³/s
Mean elev.
297m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 463.3 km²100.0% of basin
1 intersecting protected areas
Aniakchak
IUCN VNational Preserve
462.78 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
225 distinct species · 782 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Aniakchak River : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 105 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 17 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°
1,6°C
Annual rain
551mm
Moisture idx (CMI)
0,25
Runoff
339mm/an
PET
414mm
AET
354mm
Mean slope
10,1°
Water table
504cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)