Rivière· 41 segments

Santa Ana River

Crosses 3 administrative regions : Orange, Riverside, San Bernardino

rivière

Total length

156km

Max discharge

38,6m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-70806837103264 km²

3 administrative regions crossed (GADM L2)

San Bernardino
California · United States
89.6 km
in this dpt
Riverside
California · United States
54.1 km
in this dpt
Orange
California · United States
36.9 km
in this dpt

12 intersecting protected areas

Sand To Snow
IUCN V
National Monument
San Gorgonio
IUCN Ib
Wilderness
Mountain
IUCN Not Assigned
Park
Gypsum Canyon
IUCN V
Nature Preserve
Horse Meadow
IUCN Ia
Research Natural Area
Conservation Area
IUCN V
Local Conservation Area
San Bernardino Valley Water Conservation Distr
IUCN V
Local Conservation Area
Santa Ana River
IUCN V
Wildlife Area
Talbert
IUCN V
Nature Preserve

3 more protected areassorted by area

Fresno Canyon
IUCN V
Local Conservation Area
Wetlands
IUCN V
Local Conservation Area
Mira Loma
IUCN V
Mitigation Bank

1 page = 1 named river (aggregation of 41 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 517 distinct species · 73 277 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Santa Ana River : 25 espèces reliées par 91 interactions GloBI sur 4 types (connectance 12.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.123

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)