HydroBASINS lev08 watershed · #3080358030
Bassin de Большой Мандычан
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 3 administrative regions : Khasynskiy rayon, Ten'kinskiy rayon, Yagodninskiy rayon
Sub-basin area
2 297,4km²
Upstream area
9 667,7km²
Discharge
93,84m³/s
Mean elev.
914m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Букэсчан2563 km²
- Bassin de Малтан394 km²
3 dept-equivalent regions (GADM L2)
- 2103.9 km²91.0% of basin
- 127.8 km²5.5% of basin
- 79.3 km²3.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
45 distinct species · 71 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Большой Мандычан : 17 espèces reliées par 20 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 2 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°
-11,7°C
Annual rain
370mm
Moisture idx (CMI)
0,06
Runoff
415mm/an
PET
347mm
AET
284mm
Mean slope
17,4°
Water table
372cm
Forest
47%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)