Wildlife Area Complex · usa
Mount Saint Helens-Shillapoo
- Area
- 42 km²
- IUCN cat.
- V
Overview
- Designation
- Wildlife Area Complex
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
0 - Managing authority
- State Fish and Wildlife
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
254 distinct species · 2 146 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Mount Saint Helens-Shillapoo : 30 espèces + 4 bulles famille, 32 interactions GloBI documentées sur 3 types (connectance 5.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology8 basins · 2 lakes · 19 rivers
Hydrology metrics for this exact territory
Stream length here
31,5km
Lake surface here
1,39km²
Basins crossed
8
Max stream order
5
Max drainage
651 407km²
Discharge in basins
174,8m³/s
Mean precip.
2 030mm/an
Mean T°
8,7°C
Moisture idx
0,52
Max snow
29%
Mean runoff
1 389mm/an
Mean elev. (basins)
517m
Watersheds crossing here
- Bassin de South Fork Toutle Riversub-area1 313,5 km²overlap28.31 km²67%
- Bassin de Salmon Creeksub-area488,2 km²overlap9.63 km²23%
- Bassin de Lewis Riversub-area2 713 km²overlap2.09 km²5%
- Bassin de Columbia Riversub-area1 299,9 km²overlap1.90 km²4%
- Bassin de Columbia Riversub-area1 882,1 km²overlap0.24 km²1%
- Bassin de Bear Branchsub-area443,6 km²overlap0.13 km²0%
- Bassin de Carrolls Channelsub-area26,7 km²overlap0.09 km²0%
- Bassin de Owl Creeksub-area51 km²overlap0.01 km²0%
Lakes (2, top by area)
Rivers / streams (19, ord ≥ 4)
- North Fork Toutle Riverord 4len here10.40 km17%total62 km
- Bear Creekord 5len here5.02 km1%total575 km
- Deer Creekord 6len here3.75 km1%total340 km
- Alder Creekord 4len here3.22 km2%total139 km
- Lewis Riverord 5len here2.70 km1%total229 km
- Lake Riverord 4len here1.44 km9%total16 km
- Hemlock Creekord 2len here0.87 km4%total21 km
- Stitz Creekord 1len here0.83 km80%total1 km
- Abernethy Creekord 3len here0.80 km2%total38 km
- South Fork Toutle Riverord 3len here0.47 km0%total95 km
- Salmon Creekord 6len here0.44 km0%total162 km
- Duncan Creekord 3len here0.43 km3%total13 km
7 more river segmentssorted by Strahler order + length
- Hoffstadt Creekord 2len here0.32 km3%total11 km
- John Creekord 3len here0.26 km1%total24 km
- Jenny Creekord 1len here0.26 km7%total4 km
- Outlet Creekord 3len here0.20 km1%total38 km
- East Fork Lewis Riverord 4len here0.06 km0%total63 km
- Cameron Creekord 2len here≈ tangenttotal41 km
- Fisher Island Sloughord 1len here≈ tangenttotal3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 46.32036, -122.48595
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.