Wilderness · usa
Henry M. Jackson
- Area
- 418 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
1 099 distinct species · 5 210 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Henry M. Jackson : 31 espèces + 7 bulles famille, 40 interactions GloBI documentées sur 5 types (connectance 5.7%, filtre Serrano α=0.2). Les 7 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).
Hydrology4 basins · 4 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
90,1km
Lake surface here
1,07km²
Basins crossed
4
Max stream order
3
Max drainage
2 179km²
Discharge in basins
23,2m³/s
Mean precip.
1 814mm/an
Mean T°
4,9°C
Moisture idx
0,59
Max snow
47%
Mean runoff
1 524mm/an
Mean elev. (basins)
1 054m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (22, ord ≥ 4)
- Rapid Riverord 2len here9.69 km59%total16 km
- Little Wenatchee Riverord 4len here9.50 km21%total46 km
- North Fork Skykomish Riverord 4len here8.94 km18%total50 km
- Cadet Creekord 3len here8.40 km65%total13 km
- Troublesome Creekord 2len here6.98 km67%total10 km
- Cady Creekord 1len here6.44 km100%total6 km
- Elliott Creekord 2len here5.33 km57%total9 km
- Quartz Creekord 2len here5.32 km34%total16 km
- Fish Creekord 4len here4.19 km3%total153 km
- Sloan Creekord 2len here3.97 km30%total13 km
- Pass Creekord 1len here3.70 km100%total4 km
- North Fork Rapid Riverord 2len here3.24 km51%total6 km
10 more river segmentssorted by Strahler order + length
- Lake Creekord 6len here3.12 km1%total427 km
- Goblin Creekord 1len here2.21 km61%total4 km
- Glacier Creekord 1len here1.71 km58%total3 km
- Meadow Creekord 1len here1.61 km38%total4 km
- Pearsall Creekord 1len here1.55 km74%total2 km
- Bedal Creekord 1len here1.38 km33%total4 km
- Martin Creekord 3len here1.01 km11%total9 km
- North Fork Sauk Riverord 4len here0.85 km3%total33 km
- South Fork Sauk Riverord 4len here0.48 km3%total19 km
- Nason Creekord 3len here0.43 km1%total45 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
- 47.92068, -121.14679
- 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.