HydroBASINS lev08 watershed · #3080581920
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 : Kachugskiy rayon, Zhigalovskiy rayon
Sub-basin area
1 646km²
Upstream area
22 731,7km²
Discharge
112,28m³/s
Mean elev.
730m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Гульма248 km²
- Bassin de Лена99 km²
2 dept-equivalent regions (GADM L2)
- Zhigalovskiy rayonIrkutsk · Russia1112.3 km²67.3% of basin
- Kachugskiy rayonIrkutsk · Russia541.0 km²32.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
104 distinct species · 126 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 24 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 5 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°
-4,4°C
Annual rain
387mm
Moisture idx (CMI)
-0,39
Runoff
135mm/an
PET
633mm
AET
340mm
Mean slope
7,6°
Water table
210cm
Forest
97%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)