Rivière· 38 segments
South Fork Stillaguamish River
Crosses 1 administrative regions : Snohomish
Total length
86km
Max discharge
25,8m³/s
Max Strahler
4
Segments matched
38
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SnohomishWashington · United States75.6 kmin this dpt
7 intersecting protected areas
Boulder River
IUCN IbWilderness
Morning Star
IUCN VNatural Resources Conservation Area
Perry Creek
IUCN IaResearch Natural Area
Lake Twenty-Two
IUCN IaResearch Natural Area
Long Creek
IUCN IaResearch Natural Area
Robe Canyon I-II
IUCN VPrivate Conservation
Pragtri Farm
IUCN VLocal Land Trust
1 page = 1 named river (aggregation of 38 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
734 distinct species · 4 999 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 South Fork Stillaguamish River : 31 espèces reliées par 79 interactions GloBI sur 5 types (connectance 9.2%, 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
86km
Max discharge
25,8m³/s
Max Strahler
4
Segments matched
38
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.