HydroBASINS lev08 watershed · #7080548690
Bassin de Big Chico 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 3 administrative regions : Butte, Glenn, Tehama
Sub-basin area
456,9km²
Upstream area
31 482,8km²
Discharge
307,02m³/s
Mean elev.
494m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sacramento River610 km²
- Bassin de Pine Creek532 km²
3 dept-equivalent regions (GADM L2)
- Butte360.0 km²78.7% of basin
- 86.0 km²18.8% of basin
- 11.4 km²2.5% of basin
15 intersecting protected areas
Big Chico Creek
IUCN VEcological Reserve
16.51 km² overlap
Big Chico Creek
IUCN Not AssignedConservation Easement
11.10 km² overlap
Big Chico Creek, Expansion 1
IUCN Not AssignedConservation Easement
5.07 km² overlap
Sacramento River
IUCN IVNational Wildlife Refuge
3.87 km² overlap
Bidwell Ranch
IUCN VPreserve
3.06 km² overlap
Stone Ridge
IUCN VEcological Reserve
3.03 km² overlap
Sacramento River
IUCN VWildlife Area
1.92 km² overlap
Foothill
IUCN VPreserve
1.47 km² overlap
Easement
0.68 km² overlap
6 more protected areassorted by overlap area
Sacramento River
IUCN VPrivate Conservation
0.53 km² overlap
Sacramento River
IUCN VNational Wildlife Refuge
0.09 km² overlap
Meriam Park
IUCN VPreserve
0.08 km² overlap
Preserve Areas
IUCN VPreserve
0.08 km² overlap
Eaton Road
IUCN VPreserve
0.02 km² overlap
Wildwood Estate
IUCN VPreserve
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 589 distinct species · 242 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Chico Creek : 31 espèces reliées par 97 interactions GloBI sur 4 types (connectance 12.4%, 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°
14,2°C
Annual rain
882mm
Moisture idx (CMI)
-0,32
Runoff
405mm/an
PET
1 312mm
AET
596mm
Mean slope
7,5°
Water table
323cm
Forest
85%
Crops
7%
Urban
12%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)