HydroBASINS lev08 watershed · #8080263340
Bassin de Nizina 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
668,4km²
Upstream area
3 163,1km²
Discharge
60,34m³/s
Mean elev.
1 021m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chitistone River639 km²
- Bassin de Nizina River439 km²
1 dept-equivalent regions (GADM L2)
- 672.3 km²100.0% of basin
4 intersecting protected areas
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
672.31 km² overlap
Wrangell-St. Elias
IUCN VNational Preserve
553.79 km² overlap
Wrangell-St. Elias
IUCN IINational Park
80.85 km² overlap
Wrangell-Saint Elias
IUCN IbWilderness Area
1.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
183 distinct species · 918 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Nizina River : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 4 types (connectance 15.1%, filtre Serrano α=0.2). 18 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°
-3,3°C
Annual rain
949mm
Moisture idx (CMI)
0,52
Runoff
644mm/an
PET
453mm
AET
425mm
Mean slope
15,3°
Water table
431cm
Forest
18%
Crops
0%
Urban
0%
Protected
89%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)