HydroBASINS lev08 watershed · #3080339570
Bassin · #3080339570
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 4 administrative regions : Churapchinskiy rayon, Megino-Kangalasskiy rayon, Ust'-Aldanskiy rayon, Yakutsk gorsovet
Sub-basin area
1 786,1km²
Upstream area
1 786,2km²
Discharge
4,15m³/s
Mean elev.
170m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 1578.3 km²87.8% of basin
- 154.7 km²8.6% of basin
- 63.5 km²3.5% of basin
- 0.5 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
578 distinct species · 756 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 · #3080339570 : 20 espèces reliées par 23 interactions GloBI sur 2 types (connectance 8.3%, 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°
-10,6°C
Annual rain
262mm
Moisture idx (CMI)
-0,54
Runoff
75mm/an
PET
567mm
AET
246mm
Mean slope
3,1°
Water table
67cm
Forest
89%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)