HydroBASINS lev08 watershed · #3080419460
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
737,6km²
Upstream area
2 303,3km²
Discharge
15,81m³/s
Mean elev.
77m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Негус-Ях248 km²
- Bassin de Негус-Ях163 km²
1 dept-equivalent regions (GADM L2)
- 741.7 km²100.0% of basin
1 intersecting protected areas
YUganskij
IUCN IaState Natural Zapovednik
619.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
311 distinct species · 469 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 : 29 espèces reliées par 27 interactions GloBI sur 3 types (connectance 5.1%, 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°
-2,0°C
Annual rain
549mm
Moisture idx (CMI)
0,04
Runoff
212mm/an
PET
529mm
AET
412mm
Mean slope
1,4°
Water table
14cm
Forest
71%
Crops
0%
Urban
0%
Protected
87%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)