HydroBASINS lev08 watershed · #7080474260
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 2 administrative regions : Bear Lake, Caribou
Sub-basin area
1 008,7km²
Upstream area
10 320,3km²
Discharge
21,32m³/s
Mean elev.
2 095m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de St Charles Creek1788 km²
- Bassin de Bear River478 km²
2 dept-equivalent regions (GADM L2)
- Bear LakeIdaho · United States830.1 km²82.2% of basin
- CaribouIdaho · United States180.2 km²17.8% of basin
4 intersecting protected areas
Georgetown Summit
IUCN VWildlife Management Area
17.44 km² overlap
Montpelier
IUCN VWildlife Management Area
8.39 km² overlap
Meade Creek
IUCN IaResearch Natural Area
1.21 km² overlap
Burton Canyon
IUCN IaResearch Natural Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 155 distinct species · 8 289 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 : 28 espèces reliées par 111 interactions GloBI sur 6 types (connectance 12.3%, filtre Serrano α=0.2). 15 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°
3,5°C
Annual rain
438mm
Moisture idx (CMI)
-0,52
Runoff
122mm/an
PET
931mm
AET
377mm
Mean slope
10,3°
Water table
607cm
Forest
74%
Crops
12%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)