Rivière· 34 segments

Mattole River

Crosses 2 administrative regions : Humboldt, Mendocino

rivière

Total length

116km

Max discharge

34,4m³/s

Max Strahler

Segments matched

River geography2 admin regions · 0 communes

Parent watershed

hybas-7080013990764 km²

2 administrative regions crossed (GADM L2)

Humboldt
California · United States
71.0 km
in this dpt
Mendocino
California · United States
4.9 km
in this dpt

19 intersecting protected areas

King Range
IUCN V
National Conservation Area
King Range
IUCN Ib
Wilderness Area
California Coastal
IUCN V
National Monument
Sinkyone
IUCN Ib
Wilderness State Park
Mattole River
IUCN V
Ecological Reserve
ERS - Beauter
IUCN Not Assigned
Conservation Easement
SPI
IUCN Not Assigned
Corridor
Lost River
IUCN V
Private Conservation
Anderson Creek
IUCN V
Private Conservation

10 more protected areassorted by area

Carr 1
IUCN Not Assigned
Corridor
Four Corners aka Brown
IUCN Not Assigned
Conservation Easement
Stansberry C
IUCN Not Assigned
Conservation Easement
Carr 2
IUCN Not Assigned
Corridor
Whitethorn Grove
IUCN V
Grove
Ransom
IUCN V
Private Conservation
Robbins
IUCN V
Private Conservation
Rocks And Islands
IUCN Ib
Wilderness Area
Junction Property
IUCN V
Private Conservation
Ancestor Grove
IUCN V
Grove

1 page = 1 named river (aggregation of 34 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

113 distinct species · 133 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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 Mattole River : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 4 types (connectance 7.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.071

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)