HydroBASINS lev08 watershed · #7080559830
Bassin de Glenn-Colusa Canal
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 : Colusa
Sub-basin area
237,1km²
Upstream area
2 216,6km²
Discharge
20,07m³/s
Mean elev.
56m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Glenn-Colusa Canal385 km²
- Bassin · #708055880036 km²
1 dept-equivalent regions (GADM L2)
- 237.3 km²100.0% of basin
3 intersecting protected areas
Willow Creek-Lurline
IUCN VWildlife Management Area
8.50 km² overlap
Reserve Program
1.38 km² overlap
Wildlife Management Area
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
619 distinct species · 15 656 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Glenn-Colusa Canal : 14 espèces reliées par 118 interactions GloBI sur 4 types (connectance 29.1%, 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°
15,8°C
Annual rain
452mm
Moisture idx (CMI)
-0,69
Runoff
236mm/an
PET
1 441mm
AET
381mm
Mean slope
1,8°
Water table
96cm
Forest
16%
Crops
69%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)