Rivière· 23 segments
Cowichan River
Crosses 1 administrative regions : Cowichan Valley
Total length
54km
Max discharge
65,6m³/s
Max Strahler
5
Segments matched
23
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Cowichan ValleyBritish Columbia · Canada52.5 kmin this dpt
22 intersecting protected areas
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas
COWICHAN RIVER PARK
IUCN IIA - Park
Cowichan River III
IUCN IVPrivately Owned Conservation Area
Privately Owned Conservation Area
Privately Protected Area
Chase Woods
IUCN IVPrivately Owned Conservation Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Privately Owned Conservation Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
13 more protected areassorted by area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Privately Owned Conservation Area
Privately Owned Conservation Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Privately Owned Conservation Area
Privately Owned Conservation Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Oswald Bass
IUCN IVPrivately Owned Conservation Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Privately Owned Conservation Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
225 distinct species · 964 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 50 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 Cowichan River : 33 espèces reliées par 137 interactions GloBI sur 6 types (connectance 11.2%, filtre Serrano α=0.2). 17 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
54km
Max discharge
65,6m³/s
Max Strahler
5
Segments matched
23
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.