Wilderness Study Area · usa
Twin Peaks
- Area
- 373 km²
- IUCN cat.
- Ib
- Year
- 1979
Overview
- Designation
- Wilderness Study Area
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1979
- Managing authority
- Bureau of Land Management
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
112 distinct species · 148 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Twin Peaks : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 3 types (connectance 15.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology4 basins · 1 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
70,3km
Lake surface here
0,01km²
Basins crossed
4
Max stream order
3
Max drainage
2 165km²
Discharge in basins
0,5m³/s
Mean precip.
288mm/an
Mean T°
8,0°C
Moisture idx
-0,75
Max snow
17%
Mean runoff
67mm/an
Mean elev. (basins)
1 593m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (8, ord ≥ 4)
- Smoke Creekord 3len here24.24 km31%total78 km
- East Fork Smoke Creekord 2len here16.28 km100%total16 km
- Buffalo Creekord 3len here10.95 km55%total20 km
- Willow Creekord 3len here9.05 km100%total9 km
- Chimney Rock Creekord 3len here6.00 km100%total6 km
- Buffalo Sloughord 3len here2.50 km13%total20 km
- South Fork Parsnip Washord 1len here0.86 km16%total5 km
- Burro Creekord 3len here0.38 km5%total8 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
- 40.65929, -119.92838
- 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.