HydroBASINS lev08 watershed · #8080020090
Bassin · #8080020090
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 : Aleutians West
Sub-basin area
92,2km²
Upstream area
92,9km²
Discharge
6,32m³/s
Mean elev.
92m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 65.7 km²71.0% of basin
5 intersecting protected areas
Alaska Maritime
IUCN IVNational Wildlife Refuge
59.03 km² overlap
National Monument
59.02 km² overlap
Marine Protected Area
58.10 km² overlap
Marine Protected Area
1.88 km² overlap
Marine Protected Area
1.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
22 distinct species · 32 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 · #8080020090 : 9 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 1 type (connectance 20.0%, filtre Serrano α=0.2). 2 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°
4,4°C
Annual rain
1 450mm
Moisture idx (CMI)
0,72
Runoff
2 135mm/an
PET
410mm
AET
408mm
Mean slope
13,8°
Water table
352cm
Forest
0%
Crops
0%
Urban
0%
Protected
65%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)