HydroBASINS lev08 watershed · #3080410420
Bassin de Негус-Ях
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 : Surgutskiy rayon
Sub-basin area
499,7km²
Upstream area
2 964,2km²
Discharge
20,85m³/s
Mean elev.
59m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Негус-Ях738 km²
- Bassin de Негус-Ях161 km²
1 dept-equivalent regions (GADM L2)
- 502.5 km²100.0% of basin
1 intersecting protected areas
YUganskij
IUCN IaState Natural Zapovednik
263.83 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
164 distinct species · 349 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Негус-Ях : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 2 types (connectance 8.1%, filtre Serrano α=0.2). 10 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°
-2,1°C
Annual rain
554mm
Moisture idx (CMI)
0,06
Runoff
227mm/an
PET
520mm
AET
408mm
Mean slope
1,8°
Water table
12cm
Forest
71%
Crops
0%
Urban
0%
Protected
60%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)