Ruisseau
Fraser River (North Arm)
Crosses 1 administrative regions : Greater Vancouver
Total length
31km
Max discharge
1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Greater VancouverBritish Columbia · Canada2.2 kmin this dpt
5 intersecting protected areas
Fraser River Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Wildlife Management Area
Sea Island Conservation Area
IUCN Not ApplicableConservation Area
Wildlife Management Area
Iona Beach Regional Park
IUCN IVProtected Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
3 235 distinct species · 261 557 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).
Indicateurs du tissu écologique
Tissu écologique de Fraser River (North Arm) : 21 espèces reliées par 69 interactions GloBI sur 3 types (connectance 13.9%, filtre Serrano α=0.2). 11 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
31km
Max discharge
1,0m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.