HydroBASINS lev08 watershed · #8080205610
Bassin de West Fork Dennison Fork
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Southeast Fairbanks
Sub-basin area
468,4km²
Upstream area
1 620,3km²
Discharge
6,68m³/s
Mean elev.
770m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de West Fork Dennison Fork274 km²
- Bassin · #8080209650192 km²
1 dept-equivalent regions (GADM L2)
- 471.4 km²100.0% of basin
1 intersecting protected areas
Fortymile River
IUCN VDesignated - Scenic
37.60 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
464 distinct species · 3 744 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 53 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 Bassin de West Fork Dennison Fork : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 128 interactions GloBI sur 5 types (connectance 9.3%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
-6,6°C
Annual rain
214mm
Moisture idx (CMI)
-0,61
Runoff
180mm/an
PET
554mm
AET
212mm
Mean slope
9,4°
Water table
194cm
Forest
46%
Crops
0%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)