HydroBASINS lev08 watershed · #2080374460
Bassin de Терешка
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 : Baltayskiy rayon, Vol'sk, Vol'skiy rayon, Voskresenskiy rayon
Sub-basin area
1 180,2km²
Upstream area
7 441,8km²
Discharge
40,28m³/s
Mean elev.
116m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Алай1667 km²
- Bassin de Терешка463 km²
4 dept-equivalent regions (GADM L2)
- 1026.7 km²86.7% of basin
- 103.7 km²8.7% of basin
- 50.4 km²4.2% of basin
- 4.1 km²0.3% of basin
2 intersecting protected areas
Urochishhe Sosnovyj bor
IUCN IIINatural Monument
6.67 km² overlap
Zmeevy gory
IUCN IIINatural Monument
0.27 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
505 distinct species · 1 099 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Терешка : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 21.2%, filtre Serrano α=0.2). 8 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°
5,6°C
Annual rain
578mm
Moisture idx (CMI)
-0,26
Runoff
195mm/an
PET
779mm
AET
475mm
Mean slope
2,0°
Water table
217cm
Forest
9%
Crops
63%
Urban
1%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)