National Wildlife Refuge · usa
San Joaquin River
- Area
- 46 km²
- IUCN cat.
- V
Overview
- Designation
- National Wildlife Refuge
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
0 - Managing authority
- U.S. Fish and Wildlife Service ; Natural Resources Conservation Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
496 distinct species · 106 089 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 San Joaquin River : 27 espèces reliées par 73 interactions GloBI sur 4 types (connectance 11.6%, 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).
Hydrology5 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
20,8km
Basins crossed
5
Max stream order
6
Max drainage
42 366km²
Discharge in basins
16,0m³/s
Mean precip.
611mm/an
Mean T°
13,1°C
Moisture idx
-0,48
Max snow
21%
Mean runoff
255mm/an
Mean elev. (basins)
780m
Watersheds crossing here
- Bassin de Stanislaus Riversub-area3 299,8 km²overlap23.29 km²51%
- Bassin de Hospital Creeksub-area285,2 km²overlap16.60 km²36%
- Bassin de San Joaquin Riversub-area1 898,8 km²overlap5.44 km²12%
- Bassin de Tuolumne Riversub-area92,2 km²overlap0.45 km²1%
- Bassin de San Joaquin Riversub-area446,6 km²overlap0.32 km²1%
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 37.66748, -121.19147
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.