HydroBASINS lev08 watershed · #7080597350
Bassin de Stanislaus 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 6 administrative regions : Alpine, Calaveras, Mono, San Joaquin, Stanislaus +1
Sub-basin area
3 299,8km²
Upstream area
3 299,8km²
Discharge
47,32m³/s
Mean elev.
1 284m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 1761.2 km²53.3% of basin
- 604.7 km²18.3% of basin
- 454.3 km²13.8% of basin
- 339.5 km²10.3% of basin
- 140.5 km²4.3% of basin
- 1.8 km²0.1% of basin
15 intersecting protected areas
Carson-Iceberg
IUCN IbWilderness
315.16 km² overlap
Emigrant
IUCN IbWilderness
162.19 km² overlap
San Joaquin River
IUCN VNational Wildlife Refuge
23.29 km² overlap
Reserve Program
6.78 km² overlap
Mokelumne
IUCN IbWilderness
4.38 km² overlap
Salt Spring Valley Wildlife Area, Expansion #1
IUCN Not AssignedWildlife Area
3.91 km² overlap
National Wildlife Refuge
3.32 km² overlap
National Wildlife Refuge
0.58 km² overlap
Hoover
IUCN IbWilderness
0.55 km² overlap
6 more protected areassorted by overlap area
National Wildlife Refuge
0.47 km² overlap
National Wildlife Refuge
0.39 km² overlap
Grace Flint Ordway
IUCN Not AssignedWildlife Sanctuary
0.32 km² overlap
Stanley Wakefield
IUCN VWilderness Area
0.23 km² overlap
Farm and Ranch Lands Protection Program (FRPP)
IUCN Not AssignedConservation Easement
0.22 km² overlap
Stanislaus
IUCN VNational Forest
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 710 distinct species · 522 968 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Stanislaus River : 25 espèces reliées par 72 interactions GloBI sur 3 types (connectance 13.6%, filtre Serrano α=0.2). 8 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°
10,6°C
Annual rain
846mm
Moisture idx (CMI)
-0,22
Runoff
407mm/an
PET
1 177mm
AET
527mm
Mean slope
10,1°
Water table
452cm
Forest
76%
Crops
11%
Urban
3%
Protected
16%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)