HydroBASINS lev08 watershed · #3080485910
Bassin de Чая
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 : Chainskiy rayon
Sub-basin area
662,9km²
Upstream area
25 106,4km²
Discharge
107,15m³/s
Mean elev.
85m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Икса2187 km²
- Bassin de Чая67 km²
1 dept-equivalent regions (GADM L2)
- Chainskiy rayonTomsk · Russia666.4 km²100.0% of basin
3 intersecting protected areas
Poskoevskij
IUCN IVState Natural Zakaznik
96.51 km² overlap
Ostrov lipy
IUCN IIINatural Monument
0.63 km² overlap
Natural Monument
0.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
92 distinct species · 127 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 Чая : 19 espèces reliées par 10 interactions GloBI sur 2 types (connectance 5.8%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-1,0°C
Annual rain
479mm
Moisture idx (CMI)
-0,21
Runoff
110mm/an
PET
608mm
AET
407mm
Mean slope
0,6°
Water table
9cm
Forest
91%
Crops
1%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)