HydroBASINS lev08 watershed · #3080319110
Bassin de Лена
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 2 administrative regions : Namskiy rayon, Ust'-Aldanskiy rayon
Sub-basin area
1 371,9km²
Upstream area
913 804,1km²
Discharge
7 309,63m³/s
Mean elev.
104m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Лена1591 km²
- Bassin de Лена637 km²
2 dept-equivalent regions (GADM L2)
- 1333.4 km²96.6% of basin
- 46.9 km²3.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
143 distinct species · 184 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Лена : 32 espèces reliées par 41 interactions GloBI sur 2 types (connectance 6.9%, filtre Serrano α=0.2). 3 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°
-10,7°C
Annual rain
243mm
Moisture idx (CMI)
-0,56
Runoff
89mm/an
PET
557mm
AET
233mm
Mean slope
2,2°
Water table
50cm
Forest
61%
Crops
0%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)