HydroBASINS lev08 watershed · #7080569580
Bassin de Sacramento River
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 : Colusa, Sutter, Yolo
Sub-basin area
441,9km²
Upstream area
36 340,6km²
Discharge
351,13m³/s
Mean elev.
9m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Butte Creek1697 km²
- Bassin de Sacramento River303 km²
3 dept-equivalent regions (GADM L2)
- 300.3 km²67.9% of basin
- 92.8 km²21.0% of basin
- 49.2 km²11.1% of basin
5 intersecting protected areas
Reserve Program
1.83 km² overlap
Sutter Bypass
IUCN VWildlife Area
0.79 km² overlap
US-CA-147-31
IUCN Not AssignedMitigation Bank
0.50 km² overlap
Collins Eddy
IUCN VWildlife Area
0.05 km² overlap
Sacramento River
IUCN VPrivate Conservation
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
505 distinct species · 26 126 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Sacramento River : 14 espèces reliées par 102 interactions GloBI sur 4 types (connectance 29.1%, filtre Serrano α=0.2). 13 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°
16,3°C
Annual rain
461mm
Moisture idx (CMI)
-0,68
Runoff
235mm/an
PET
1 447mm
AET
389mm
Mean slope
0,0°
Water table
10cm
Forest
30%
Crops
98%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)