HydroBASINS lev08 watershed · #3080207770
Bassin de Евояха
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 3 administrative regions : Nadymskiy rayon, Novyy Urengoy, Purovskiy rayon
Sub-basin area
860,1km²
Upstream area
3 053,4km²
Discharge
30,25m³/s
Mean elev.
39m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сидяхоилавояха742 km²
- Bassin de Седэяха558 km²
3 dept-equivalent regions (GADM L2)
- 661.5 km²76.4% of basin
- 184.2 km²21.3% of basin
- 20.2 km²2.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
202 distinct species · 575 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Евояха : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 6 types (connectance 11.4%, filtre Serrano α=0.2). 17 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°
-7,3°C
Annual rain
476mm
Moisture idx (CMI)
0,29
Runoff
398mm/an
PET
340mm
AET
288mm
Mean slope
1,5°
Water table
20cm
Forest
6%
Crops
0%
Urban
1%
Protected
59%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)