HydroBASINS lev08 watershed · #8080007700
Bassin de Avak 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 : North Slope
Sub-basin area
305,3km²
Upstream area
305,9km²
Discharge
1,08m³/s
Mean elev.
12m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 274.5 km²89.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
33 distinct species · 1 341 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Avak River : 9 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 2 types (connectance 19.2%, 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°
-9,9°C
Annual rain
151mm
Moisture idx (CMI)
-0,32
Runoff
133mm/an
PET
221mm
AET
153mm
Mean slope
0,9°
Water table
40cm
Forest
0%
Crops
0%
Urban
0%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)