HydroBASINS lev08 watershed · #3080009670
Bassin de Яна
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 : Ust'-Yanskiy rayon
Sub-basin area
1 632,4km²
Upstream area
233 392,9km²
Discharge
1 075,08m³/s
Mean elev.
11m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Яна1004 km²
- Bassin de Яна1 km²
1 dept-equivalent regions (GADM L2)
- 1627.1 km²98.9% of basin
1 intersecting protected areas
YAnskie mamonty
IUCN IVState Natural Zakaznik
1642.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
34 distinct species · 74 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Яна : 10 espèces reliées par 17 interactions GloBI sur 2 types (connectance 18.7%, 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°
-14,8°C
Annual rain
223mm
Moisture idx (CMI)
-0,38
Runoff
141mm/an
PET
361mm
AET
213mm
Mean slope
1,3°
Water table
25cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)