HydroBASINS lev08 watershed · #8080129440
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
304,4km²
Upstream area
32 190,7km²
Discharge
364,34m³/s
Mean elev.
98m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Agashashok River1594 km²
- Bassin de Noatak River269 km²
1 dept-equivalent regions (GADM L2)
- 285.5 km²93.2% of basin
3 intersecting protected areas
Noatak
IUCN VNational Preserve
101.28 km² overlap
Cape Krusenstern
IUCN VNational Monument
2.55 km² overlap
Marine Protected Area
2.55 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
171 distinct species · 307 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 : 23 espèces reliées par 87 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 16 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°
-6,6°C
Annual rain
230mm
Moisture idx (CMI)
-0,20
Runoff
480mm/an
PET
288mm
AET
205mm
Mean slope
5,7°
Water table
177cm
Forest
2%
Crops
0%
Urban
0%
Protected
45%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)