HydroBASINS lev08 watershed · #8080126530
Bassin de Noatak 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
269,2km²
Upstream area
30 292,6km²
Discharge
336,11m³/s
Mean elev.
53m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Noatak River467 km²
- Bassin de Noatak River278 km²
1 dept-equivalent regions (GADM L2)
- 266.6 km²98.4% of basin
2 intersecting protected areas
Marine Protected Area
9.35 km² overlap
Cape Krusenstern
IUCN VNational Monument
9.35 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 264 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 Noatak River : 11 espèces reliées par 11 interactions GloBI sur 2 types (connectance 16.7%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-6,5°C
Annual rain
231mm
Moisture idx (CMI)
-0,19
Runoff
498mm/an
PET
285mm
AET
205mm
Mean slope
2,8°
Water table
82cm
Forest
1%
Crops
0%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)