Wilderness · usa
Boulder River
- Area
- 200 km²
- IUCN cat.
- Ib
- Year
- 1984
Overview
- Designation
- Wilderness
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1984
- Managing authority
- Forest Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
317 distinct species · 795 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Boulder River : 31 espèces reliées par 77 interactions GloBI sur 6 types (connectance 8.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology2 basins · 0 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
41,5km
Basins crossed
2
Max stream order
3
Max drainage
2 353km²
Discharge in basins
1,7m³/s
Mean precip.
1 592mm/an
Mean T°
7,6°C
Moisture idx
0,47
Max snow
42%
Mean runoff
1 260mm/an
Mean elev. (basins)
541m
Watersheds crossing here
Rivers / streams (15, ord ≥ 4)
- Boulder Riverord 2len here14.20 km67%total21 km
- Gerkmab Creekord 1len here5.36 km100%total5 km
- Squire Creekord 2len here4.99 km28%total18 km
- South Fork Canyon Creekord 2len here3.53 km20%total17 km
- Clear Creekord 3len here3.22 km22%total15 km
- Marten Creekord 1len here3.14 km81%total4 km
- Copper Creekord 2len here1.92 km20%total9 km
- Buckeye Creekord 1len here1.69 km93%total2 km
- Baldy Creekord 1len here1.61 km100%total2 km
- Gordon Creekord 3len here0.77 km22%total4 km
- Ashton Creekord 1len here0.33 km7%total4 km
- South Fork Stillaguamish Riverord 4len here0.23 km0%total75 km
3 more river segmentssorted by Strahler order + length
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
- 48.16201, -121.68152
- 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.