Geothermal Area · USA
Mount St. Helens
- Area
- 101 km²
- IUCN cat.
- V
- Year
- 1971
Overview
- Designation
- Geothermal Area
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1971
- Managing authority
- Forest Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
994 distinct species · 13 562 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 St. Helens : 29 espèces reliées par 126 interactions GloBI sur 6 types (connectance 11.2%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 2 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
25,1km
Lake surface here
0,29km²
Basins crossed
3
Max stream order
2
Max drainage
2 713km²
Discharge in basins
4,7m³/s
Mean precip.
2 299mm/an
Mean T°
8,0°C
Moisture idx
0,61
Max snow
29%
Mean runoff
1 452mm/an
Mean elev. (basins)
665m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (10, ord ≥ 4)
- Pine Creekord 6len here4.32 km1%total450 km
- Step Creekord 1len here3.67 km100%total4 km
- Fossil Creekord 2len here3.08 km23%total13 km
- Loowit Creekord 1len here2.51 km100%total3 km
- Coldspring Creekord 1len here2.26 km27%total8 km
- Glacier Creekord 3len here2.09 km2%total92 km
- South Fork Toutle Riverord 3len here2.07 km2%total95 km
- Swift Creekord 3len here2.05 km3%total76 km
- North Fork Toutle Riverord 4len here1.64 km3%total62 km
- Ape Canyon Creekord 1len here1.37 km36%total4 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
- 46.21236, -122.17830
- 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.