HydroBASINS lev08 watershed · #8080232710
Bassin de Chisana 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 2 administrative regions : Southeast Fairbanks, Valdez-Cordova
Sub-basin area
1 142,1km²
Upstream area
2 879,6km²
Discharge
33,24m³/s
Mean elev.
1 048m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chisana River1152 km²
- Bassin de Cross Creek586 km²
2 dept-equivalent regions (GADM L2)
- 987.6 km²85.9% of basin
- 161.5 km²14.1% of basin
3 intersecting protected areas
Wrangell-St. Elias
IUCN VNational Preserve
902.15 km² overlap
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
901.65 km² overlap
Tetlin
IUCN IVNational Wildlife Refuge
246.91 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
164 distinct species · 312 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 Chisana River : 16 espèces reliées par 51 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 14 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
403mm
Moisture idx (CMI)
-0,16
Runoff
348mm/an
PET
488mm
AET
341mm
Mean slope
13,7°
Water table
387cm
Forest
19%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)