HydroBASINS lev08 watershed · #2080302620
Bassin de Тёша
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 6 administrative regions : Ardatovskiy rayon, Kulebaki, Kulebakskiy rayon, Navashinskiy rayon, Sosnovskiy rayon +1
Sub-basin area
1 211,9km²
Upstream area
4 727,6km²
Discharge
18,28m³/s
Mean elev.
132m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Тёша631 km²
- Bassin de Леметь372 km²
6 dept-equivalent regions (GADM L2)
- 540.2 km²44.4% of basin
- Ardatovskiy rayon356.8 km²29.3% of basin
- 303.9 km²25.0% of basin
- Sosnovskiy rayon12.6 km²1.0% of basin
- 2.2 km²0.2% of basin
- 1.9 km²0.2% of basin
10 intersecting protected areas
Muhtolovskij
IUCN IVState Natural Zakaznik
73.56 km² overlap
Natural Monument
10.61 km² overlap
Natural Monument
4.80 km² overlap
Natural Monument
4.59 km² overlap
Boloto Pokolevskoe
IUCN IIINatural Monument
3.25 km² overlap
Natural Monument
1.65 km² overlap
Natural Monument
1.55 km² overlap
Ozero Svyatoe Stepurinskoe
IUCN IIINatural Monument
0.25 km² overlap
Natural Monument
0.21 km² overlap
1 more protected areassorted by overlap area
Ozero Pokolevo
IUCN IIINatural Monument
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 044 distinct species · 3 605 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Тёша : 25 espèces reliées par 93 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 11 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°
4,4°C
Annual rain
585mm
Moisture idx (CMI)
-0,10
Runoff
119mm/an
PET
652mm
AET
461mm
Mean slope
1,2°
Water table
106cm
Forest
79%
Crops
6%
Urban
2%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)