HydroBASINS lev08 watershed · #8080021140
Bassin de Кальхеурервеем
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
1 010,9km²
Upstream area
1 011km²
Discharge
9,55m³/s
Mean elev.
140m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 943.6 km²92.7% of basin
- 39.6 km²3.9% of basin
1 intersecting protected areas
Beringiya
IUCN IbNational Park
242.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 33 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Кальхеурервеем : 3 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-7,1°C
Annual rain
434mm
Moisture idx (CMI)
0,46
Runoff
323mm/an
PET
236mm
AET
208mm
Mean slope
6,9°
Water table
184cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)