HydroBASINS lev08 watershed · #8080086490
Bassin de Sagavanirktok 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
528,1km²
Upstream area
5 309,1km²
Discharge
3,77m³/s
Mean elev.
197m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Echooka River1219 km²
- Bassin de Ivishak River260 km²
1 dept-equivalent regions (GADM L2)
- 532.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
109 distinct species · 562 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 Sagavanirktok River : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 3 types (connectance 16.7%, filtre Serrano α=0.2). 10 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°
-10,6°C
Annual rain
179mm
Moisture idx (CMI)
-0,50
Runoff
82mm/an
PET
362mm
AET
185mm
Mean slope
5,5°
Water table
66cm
Forest
0%
Crops
0%
Urban
0%
Protected
64%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)