HydroBASINS lev08 watershed · #8080240680
Bassin de Nabesna 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 : Valdez-Cordova
Sub-basin area
671,6km²
Upstream area
2 500,4km²
Discharge
38,65m³/s
Mean elev.
1 554m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nebesna River522 km²
- Bassin de Nebesna River508 km²
1 dept-equivalent regions (GADM L2)
- 675.7 km²100.0% of basin
4 intersecting protected areas
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
675.70 km² overlap
Wrangell-St. Elias
IUCN VNational Preserve
671.35 km² overlap
Wrangell-Saint Elias
IUCN IbWilderness Area
316.43 km² overlap
Wrangell-St. Elias
IUCN IINational Park
2.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
174 distinct species · 789 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Nabesna River : 10 espèces reliées par 83 interactions GloBI sur 4 types (connectance 19.1%, 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°
-7,1°C
Annual rain
444mm
Moisture idx (CMI)
0,01
Runoff
421mm/an
PET
442mm
AET
347mm
Mean slope
19,3°
Water table
503cm
Forest
1%
Crops
0%
Urban
0%
Protected
99%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)