Rivière· 17 segments
Sumas River
Crosses 2 administrative regions : Fraser Valley, Whatcom
Total length
64km
Max discharge
69,5m³/s
Max Strahler
4
Segments matched
17
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Fraser ValleyBritish Columbia · Canada32.4 kmin this dpt
- WhatcomWashington · United States23.7 kmin this dpt
1 intersecting protected areas
Wildlife Management Area
1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
360 distinct species · 26 850 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Sumas River : 17 espèces reliées par 87 interactions GloBI sur 4 types (connectance 17.5%, filtre Serrano α=0.2). 15 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
64km
Max discharge
69,5m³/s
Max Strahler
4
Segments matched
17
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.