Ruisseau· 8 segments

Petaluma River

Crosses 2 administrative regions : Marin, Sonoma

ruisseau

Total length

35km

Max discharge

7,3m³/s

Max Strahler

Segments matched

River geography2 admin regions · 0 communes

Parent watershed

hybas-70800136202478 km²

2 administrative regions crossed (GADM L2)

Sonoma
California · United States
16.6 km
in this dpt
Marin
California · United States
6.5 km
in this dpt

19 intersecting protected areas

San Pablo Bay National Wildlife Refuge
IUCN IV
Marine Protected Area
San Pablo Bay
IUCN IV
National Wildlife Refuge
San Pablo Bay
IUCN V
Wildlife Area
Petaluma Marsh
IUCN V
Wildlife Area
Yee
IUCN Not Assigned
Conservation Easement
Rush Creek Open Spac
IUCN V
Open Space
Petaluma Marsh
IUCN V
Private Conservation
Leonard Ranch
IUCN V
Private Conservation
Marty
IUCN Not Assigned
Conservation Easement

10 more protected areassorted by area

Wetlands Reserve Program (WRP), Sonoma, CA
IUCN V
Reserve Program
Open Space
IUCN V
State Conservation Area
Black Point
IUCN V
Nature Preserve
Willow Brook Creek
IUCN V
Local Conservation Area
Redwood Business Park I
IUCN V
Park
Corona Ditch
IUCN V
Local Conservation Area
Scwa - Petaluma River
IUCN V
Local Conservation Area
Stone Point Road
IUCN V
Local Conservation Area
River Trail Parking Lo
IUCN V
Trail Park
Petaluma River Marsh
IUCN V
Private Conservation

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

618 distinct species · 16 339 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Petaluma River : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.101

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)