Rivière· 17 segments
Middle Fork American River
Crosses 2 administrative regions : El Dorado, Placer
Total length
92km
Max discharge
34,4m³/s
Max Strahler
4
Segments matched
17
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
2 intersecting protected areas
Granite Chief
IUCN IbWilderness
Private Conservation
1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
142 distinct species · 1 701 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Middle Fork American River : 31 espèces reliées par 60 interactions GloBI sur 5 types (connectance 7.0%, 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).
Hydrology (HydroRIVERS v10)
Total length
92km
Max discharge
34,4m³/s
Max Strahler
4
Segments matched
17
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.