HydroBASINS lev08 watershed · #7080574760
Bassin de American 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 1 administrative regions : Sacramento
Sub-basin area
5,5km²
Upstream area
5 980,2km²
Discharge
103,61m³/s
Mean elev.
9m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Steelhead Creek652 km²
- Bassin de American River506 km²
1 dept-equivalent regions (GADM L2)
- 5.5 km²100.0% of basin
1 intersecting protected areas
Bannon Creek
IUCN VPreserve
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 202 distinct species · 64 899 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 American River : 29 espèces reliées par 106 interactions GloBI sur 4 types (connectance 13.6%, filtre Serrano α=0.2). 11 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°
16,0°C
Annual rain
458mm
Moisture idx (CMI)
-0,67
Runoff
214mm/an
PET
1 383mm
AET
386mm
Mean slope
0,4°
Water table
22cm
Forest
0%
Crops
2%
Urban
100%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)