HydroBASINS lev08 watershed · #3080530230
Bassin de Яя
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 : Izhmorskiy rayon, Tomskiy rayon, Yayskiy rayon, Zyryanskiy rayon
Sub-basin area
1 464,4km²
Upstream area
7 803km²
Discharge
69,18m³/s
Mean elev.
173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Яя484 km²
- Bassin de Золотой Китат51 km²
4 dept-equivalent regions (GADM L2)
- Yayskiy rayonKemerovo · Russia967.6 km²65.8% of basin
- Izhmorskiy rayonKemerovo · Russia364.5 km²24.8% of basin
- Zyryanskiy rayonTomsk · Russia113.1 km²7.7% of basin
- Tomskiy rayonTomsk · Russia26.3 km²1.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
157 distinct species · 202 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Яя : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 5 types (connectance 7.1%, filtre Serrano α=0.2). 7 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°
0,5°C
Annual rain
541mm
Moisture idx (CMI)
-0,15
Runoff
243mm/an
PET
640mm
AET
452mm
Mean slope
1,2°
Water table
16cm
Forest
52%
Crops
31%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)