HydroBASINS lev08 watershed · #3080057040
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 1 administrative regions : Bulunskiy rayon
Sub-basin area
78,8km²
Upstream area
2 444 572,3km²
Discharge
15 751,56m³/s
Mean elev.
0m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Лена504 km²
- Bassin de Лена429 km²
1 dept-equivalent regions (GADM L2)
- 79.5 km²100.0% of basin
2 intersecting protected areas
Lena-Del`ta
IUCN VIResource Reserve
79.46 km² overlap
Ust`-Lenskij
IUCN IaState Natural Zapovednik
21.27 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
126 distinct species · 143 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 : 4 espèces reliées par 5 interactions GloBI sur 1 type (connectance 50.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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
267mm
Moisture idx (CMI)
-0,21
Runoff
298mm/an
PET
338mm
AET
234mm
Mean slope
4,4°
Water table
88cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)