HydroBASINS lev08 watershed · #8080143350
Bassin de Selawik 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 : Northwest Arctic
Sub-basin area
79,5km²
Upstream area
13 460,6km²
Discharge
132,51m³/s
Mean elev.
9m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nuleargowik River1106 km²
- Bassin de Selawik River829 km²
1 dept-equivalent regions (GADM L2)
- 78.6 km²98.2% of basin
1 intersecting protected areas
Selawik
IUCN IVNational Wildlife Refuge
33.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
19 distinct species · 30 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Selawik River : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-6,0°C
Annual rain
267mm
Moisture idx (CMI)
-0,21
Runoff
419mm/an
PET
340mm
AET
235mm
Mean slope
0,3°
Water table
0cm
Forest
17%
Crops
0%
Urban
0%
Protected
25%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)