Anadromous Spawning Area · usa
Placer & Dredge Mining Prohibition
- Area
- 365 km²
- IUCN cat.
- V
- Year
- 1980
Overview
- Designation
- Anadromous Spawning Area
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1980
- Managing authority
- Forest Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
588 distinct species · 3 564 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Placer & Dredge Mining Prohibition : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 134 interactions GloBI sur 5 types (connectance 14.2%, filtre Serrano α=0.2). 23 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology5 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
42,2km
Basins crossed
5
Max stream order
4
Max drainage
3 089km²
Discharge in basins
3,8m³/s
Mean precip.
584mm/an
Mean T°
0,8°C
Moisture idx
-0,30
Max snow
52%
Mean runoff
369mm/an
Mean elev. (basins)
2 157m
Watersheds crossing here
- Bassin de Bear Valley Creeksub-area490,2 km²overlap332.16 km²91%
- Bassin de Middle Fork Salmon Riversub-area2 097,5 km²overlap23.63 km²6%
- Bassin de South Fork Payette Riversub-area3 089,3 km²overlap6.43 km²2%
- Bassin de Johnson Creeksub-area559,1 km²overlap2.01 km²1%
- Bassin de Marsh Creeksub-area372,2 km²overlap0.52 km²0%
Rivers / streams (6, ord ≥ 4)
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
- 44.36586, -115.39620
- 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.