HydroBASINS lev08 watershed · #8080242610
Bassin de East Fork Yentna River
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 : Matanuska-Susitna
Sub-basin area
200,9km²
Upstream area
1 702,7km²
Discharge
54,72m³/s
Mean elev.
543m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- 202.1 km²100.0% of basin
1 intersecting protected areas
Denali
IUCN VNational Preserve
182.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
186 distinct species · 234 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 East Fork Yentna River : 28 espèces reliées par 36 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 5 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°
-2,8°C
Annual rain
498mm
Moisture idx (CMI)
0,03
Runoff
1 009mm/an
PET
484mm
AET
354mm
Mean slope
14,0°
Water table
295cm
Forest
21%
Crops
0%
Urban
0%
Protected
90%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)