HydroBASINS lev08 watershed · #8080242630
Bassin de Talkeetna 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
311,5km²
Upstream area
4 604,6km²
Discharge
106,87m³/s
Mean elev.
290m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sheep River1113 km²
- Bassin de Talkeetna River56 km²
1 dept-equivalent regions (GADM L2)
- 312.6 km²99.8% of basin
1 intersecting protected areas
Talkeetna
IUCN VRecreation River
25.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
192 distinct species · 1 407 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Talkeetna River : 35 espèces reliées par 78 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 11 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°
0,2°C
Annual rain
660mm
Moisture idx (CMI)
0,22
Runoff
824mm/an
PET
518mm
AET
408mm
Mean slope
6,2°
Water table
193cm
Forest
71%
Crops
0%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)