HydroBASINS lev08 watershed · #8080003790
Bassin de Bear 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 : Aleutians East
Sub-basin area
839km²
Upstream area
839,1km²
Discharge
15,61m³/s
Mean elev.
247m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 843.0 km²100.0% of basin
1 intersecting protected areas
Alaska Peninsula
IUCN IVNational Wildlife Refuge
187.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
194 distinct species · 577 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 Bear River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 4 types (connectance 7.7%, 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°
2,1°C
Annual rain
724mm
Moisture idx (CMI)
0,45
Runoff
670mm/an
PET
394mm
AET
364mm
Mean slope
7,5°
Water table
301cm
Forest
0%
Crops
0%
Urban
0%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)