HydroBASINS lev08 watershed · #7080493610
Bassin de Willow 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 2 administrative regions : Jackson, Siskiyou
Sub-basin area
519,9km²
Upstream area
11 985,6km²
Discharge
71,35m³/s
Mean elev.
1 063m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Klamath River751 km²
- Bassin de Jenny Creek555 km²
2 dept-equivalent regions (GADM L2)
- 468.2 km²89.9% of basin
- Jackson52.5 km²10.1% of basin
3 intersecting protected areas
Cascade-Siskiyou
IUCN VNational Monument
89.87 km² overlap
Soda Mountain
IUCN IbWilderness Area
51.62 km² overlap
Horseshoe Ranch
IUCN VWildlife Area
20.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 321 distinct species · 25 495 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Willow Creek : 23 espèces reliées par 69 interactions GloBI sur 4 types (connectance 13.9%, 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°
8,9°C
Annual rain
548mm
Moisture idx (CMI)
-0,51
Runoff
360mm/an
PET
1 149mm
AET
458mm
Mean slope
9,5°
Water table
352cm
Forest
73%
Crops
3%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)