HydroBASINS lev08 watershed · #8080021620
Bassin de Егельвеем
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 2 administrative regions : Chukotskiy rayon, Providenskiy rayon
Sub-basin area
2 378,1km²
Upstream area
2 378,4km²
Discharge
27,34m³/s
Mean elev.
194m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 2384.6 km²99.6% of basin
- 9.5 km²0.4% of basin
1 intersecting protected areas
Beringiya
IUCN IbNational Park
809.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
98 distinct species · 119 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 Егельвеем : 10 espèces reliées par 9 interactions GloBI sur 1 type (connectance 9.9%, 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°
-6,9°C
Annual rain
399mm
Moisture idx (CMI)
0,41
Runoff
379mm/an
PET
233mm
AET
205mm
Mean slope
5,5°
Water table
156cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)