HydroBASINS lev08 watershed · #7080299060
Bassin de Big Sand 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 1 administrative regions : East Kootenay
Sub-basin area
33,9km²
Upstream area
14 081km²
Discharge
205,55m³/s
Mean elev.
814m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kootenay River303 km²
- Bassin de Little Sand Creek129 km²
1 dept-equivalent regions (GADM L2)
- 34.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
232 distinct species · 3 698 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Big Sand Creek : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 4 types (connectance 15.8%, filtre Serrano α=0.2). 9 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°
6,0°C
Annual rain
636mm
Moisture idx (CMI)
-0,30
Runoff
419mm/an
PET
911mm
AET
531mm
Mean slope
4,7°
Water table
207cm
Forest
58%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)