HydroBASINS lev08 watershed · #7080444520
Bassin de Birch Creek
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 5 administrative regions : Beaverhead, Butte, Clark, Jefferson, Lemhi
Sub-basin area
1 581,8km²
Upstream area
1 581,8km²
Discharge
5,09m³/s
Mean elev.
2 190m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- LemhiIdaho · United States702.1 km²44.3% of basin
- ClarkIdaho · United States468.4 km²29.6% of basin
- ButteIdaho · United States383.2 km²24.2% of basin
- JeffersonIdaho · United States29.6 km²1.9% of basin
- 1.8 km²0.1% of basin
8 intersecting protected areas
Eighteen Mile
IUCN IbWilderness Study Area
21.72 km² overlap
Meadow Canyon
IUCN IaResearch Natural Area
14.84 km² overlap
Copper Mountain
IUCN IaResearch Natural Area
1.65 km² overlap
Black Canyon
IUCN IbWilderness Study Area
0.85 km² overlap
Sheep Mountain
IUCN IaResearch Natural Area
0.59 km² overlap
Reserve Program
0.24 km² overlap
Webber Creek
IUCN IaResearch Natural Area
0.20 km² overlap
Middle Canyon
IUCN IaResearch Natural Area
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 093 distinct species · 6 314 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 49 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 Birch Creek : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 5 types (connectance 9.0%, filtre Serrano α=0.2). 19 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°
2,2°C
Annual rain
335mm
Moisture idx (CMI)
-0,60
Runoff
108mm/an
PET
881mm
AET
294mm
Mean slope
10,5°
Water table
452cm
Forest
33%
Crops
2%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)