Rivière· 33 segments
North Fork Stillaguamish River
Crosses 2 administrative regions : Skagit, Snohomish
Total length
81km
Max discharge
66m³/s
Max Strahler
5
Segments matched
33
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
3 intersecting protected areas
Reserve Program
Smoke Farm
IUCN VPrivate Conservation
Grandy Lake Stillaguamish River
IUCN Not AssignedPreserve
1 page = 1 named river (aggregation of 33 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
100 distinct species · 139 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).
Indicateurs du tissu écologique
Tissu écologique de North Fork Stillaguamish River : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 7 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
81km
Max discharge
66,0m³/s
Max Strahler
5
Segments matched
33
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.