Rivière· 39 segments
South Fork American River
Crosses 2 administrative regions : El Dorado, Sacramento
Total length
138km
Max discharge
34,2m³/s
Max Strahler
4
Segments matched
39
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- El DoradoCalifornia · United States173.4 kmin this dpt
- SacramentoCalifornia · United States0.7 kmin this dpt
13 intersecting protected areas
Desolation
IUCN IbWilderness
Peavine Point
IUCN IaResearch Natural Area
Station Creek
IUCN IaResearch Natural Area
Pine Hill
IUCN VEcological Reserve
Salmon Falls Ranch
IUCN VPrivate Conservation
Brush Creek Ranch
IUCN VPrivate Conservation
Van Noord
IUCN VPrivate Conservation
Cronan Ranch
IUCN VPrivate Conservation
Boulder Glen
IUCN VPrivate Conservation
1 page = 1 named river (aggregation of 39 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
280 distinct species · 777 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 57 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 South Fork American River : 47 espèces reliées par 132 interactions GloBI sur 6 types (connectance 8.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
138km
Max discharge
34,2m³/s
Max Strahler
4
Segments matched
39
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.