HydroBASINS lev08 watershed · #3080348880
Bassin de Нижняя Тунгуска
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 : Katangskiy rayon
Sub-basin area
5 286,1km²
Upstream area
88 231,3km²
Discharge
326,75m³/s
Mean elev.
315m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Верхняя Кочёма373 km²
- Bassin de Нижняя Тунгуска219 km²
1 dept-equivalent regions (GADM L2)
- Katangskiy rayonIrkutsk · Russia5317.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
58 distinct species · 175 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Нижняя Тунгуска : 14 espèces reliées par 11 interactions GloBI sur 4 types (connectance 10.5%, 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°
-8,2°C
Annual rain
342mm
Moisture idx (CMI)
-0,35
Runoff
187mm/an
PET
526mm
AET
302mm
Mean slope
2,9°
Water table
94cm
Forest
87%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)