Designated - Scenic · USA
Fortymile River
- Area
- 405 km²
- IUCN cat.
- V
Overview
- Designation
- Designated - Scenic
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
0 - Managing authority
- Bureau of Land Management
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
814 distinct species · 11 366 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Fortymile River : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 107 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology13 basins · 0 lakes · 16 rivers
Hydrology metrics for this exact territory
Stream length here
214,3km
Basins crossed
13
Max stream order
6
Max drainage
16 533km²
Discharge in basins
41,7m³/s
Mean precip.
233mm/an
Mean T°
-6,8°C
Moisture idx
-0,57
Max snow
58%
Mean runoff
179mm/an
Mean elev. (basins)
773m
Watersheds crossing here
- Bassin de Fortymile Riversub-area1 613,2 km²overlap83.16 km²21%
- Bassin de Buckskin Creeksub-area383,6 km²overlap67.39 km²17%
- Bassin de Fortymile Riversub-area205,3 km²overlap55.71 km²14%
- Bassin de West Fork Dennison Forksub-area468,4 km²overlap37.60 km²9%
- Bassin de Walker Forksub-area1 071 km²overlap35.22 km²9%
- Bassin de Dennison Forksub-area168,4 km²overlap33.66 km²8%
- Bassin de South Fork Fortymile Riversub-area127,6 km²overlap27.81 km²7%
- Bassin de North Fork Fortymile Riversub-area712,8 km²overlap24.56 km²6%
- Bassin de O'Brien Creeksub-area894,7 km²overlap18.26 km²5%
Rivers / streams (16, ord ≥ 4)
- Fortymile Riverord 6len here53.55 km43%total124 km
- South Fork Fortymile Riverord 5len here50.39 km77%total65 km
- Dennison Forkord 4len here30.53 km17%total183 km
- Hutchinson Creekord 2len here17.45 km62%total28 km
- O'Brien Creekord 3len here15.41 km31%total50 km
- West Fork Dennison Forkord 3len here10.44 km9%total121 km
- Uhler Creekord 5len here9.12 km85%total11 km
- Walker Forkord 4len here7.70 km14%total57 km
- Logging Cabin Creekord 1len here4.77 km44%total11 km
- Chicken Creekord 4len here3.41 km11%total30 km
- Dome Creekord 4len here2.66 km9%total30 km
- Canyon Creekord 3len here2.56 km3%total81 km
4 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
- 64.09842, -141.71639
- 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.