HydroBASINS lev08 watershed · #3080000870
Bassin de Сидянянгнгэваяха
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 : Yamal'skiy rayon
Sub-basin area
396,2km²
Upstream area
396,2km²
Discharge
0,58m³/s
Mean elev.
15m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 393.1 km²98.4% of basin
1 intersecting protected areas
YAmal`skij
IUCN IVState Natural Zakaznik
5.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
20 distinct species · 29 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Сидянянгнгэваяха : 6 espèces reliées par 5 interactions GloBI sur 1 type (connectance 33.3%, 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°
-9,9°C
Annual rain
222mm
Moisture idx (CMI)
0,05
Runoff
250mm/an
PET
210mm
AET
175mm
Mean slope
1,8°
Water table
35cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)