HydroBASINS lev08 watershed · #8080006230
Bassin de Cobblestone 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 : Nome
Sub-basin area
1 238,6km²
Upstream area
10 844,7km²
Discharge
108,31m³/s
Mean elev.
187m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Kaviruk River944 km²
- Bassin de Agiapuk River343 km²
1 dept-equivalent regions (GADM L2)
- 1024.7 km²82.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
283 distinct species · 2 828 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Cobblestone River : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 123 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 20 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°
-4,9°C
Annual rain
402mm
Moisture idx (CMI)
0,25
Runoff
412mm/an
PET
301mm
AET
252mm
Mean slope
7,8°
Water table
206cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)