HydroBASINS lev08 watershed · #8080006470
Bassin de Serpentine 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
1 059,5km²
Upstream area
1 059,5km²
Discharge
9,64m³/s
Mean elev.
76m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 1064.4 km²99.8% of basin
2 intersecting protected areas
Marine Protected Area
407.65 km² overlap
Bering Land Bridge
IUCN VNational Preserve
401.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
58 distinct species · 336 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Serpentine River : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 2 types (connectance 20.3%, filtre Serrano α=0.2). 4 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°
-5,3°C
Annual rain
341mm
Moisture idx (CMI)
0,14
Runoff
347mm/an
PET
294mm
AET
240mm
Mean slope
3,0°
Water table
75cm
Forest
0%
Crops
0%
Urban
0%
Protected
38%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)