Rivière· 18 segments

Cosumnes River

Crosses 4 administrative regions : Amador, El Dorado, Sacramento, San Joaquin

rivière

Total length

88km

Max discharge

29m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-70805831902421 km²

4 administrative regions crossed (GADM L2)

Sacramento
California · United States
88.9 km
in this dpt
El Dorado
California · United States
24.3 km
in this dpt
Amador
California · United States
20.0 km
in this dpt
San Joaquin
California · United States
0.2 km
in this dpt

13 intersecting protected areas

Wetlands Reserve Program (WRP), Sacramento, CA
IUCN V
Reserve Program
Cosumnes River
IUCN V
Preserve
Cosumnes River Macrosite
IUCN V
Easement
Cosumnes River
IUCN V
Ecological Reserve
Deer Creek Hills
IUCN V
State Conservation Area
El Dorado Ranch
IUCN V
Private Conservation
Sacramento Valley Conservancy
IUCN Not Assigned
Easement
Cosumnes River Lowlands
IUCN V
Easement
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Sacramento, CA
IUCN V
Watershed Protection

4 more protected areassorted by area

Cosumnes Floodplain
IUCN Not Assigned
Mitigation Bank
Grizzly Slough
IUCN Not Assigned
Conservation Easement
Wetlands Reserve Program (WRP), Sacramento, CA
IUCN V
Reserve Program
Twin Cities
IUCN Not Assigned
Conservation Easement

1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

120 distinct species · 548 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Cosumnes River : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 3 types (connectance 17.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.173

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)