HydroBASINS lev08 watershed · #8080229460
Bassin de Susitna 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
735km²
Upstream area
14 787,1km²
Discharge
261,42m³/s
Mean elev.
837m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Susitna River404 km²
- Bassin de Susitna River116 km²
1 dept-equivalent regions (GADM L2)
- 739.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
66 distinct species · 83 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 Bassin de Susitna River : 26 espèces reliées par 39 interactions GloBI sur 2 types (connectance 9.0%, filtre Serrano α=0.2). 4 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°
-3,2°C
Annual rain
499mm
Moisture idx (CMI)
0,12
Runoff
747mm/an
PET
438mm
AET
345mm
Mean slope
9,3°
Water table
279cm
Forest
3%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)