HydroBASINS lev08 watershed · #2080285760
Bassin de Волга
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 10 administrative regions : Balakhna, Balakhninskiy rayon, Chkalovskiy rayon, Gorodets, Gorodetskiy rayon +5
Sub-basin area
1 997,5km²
Upstream area
231 131km²
Discharge
1 462,47m³/s
Mean elev.
104m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ячменка747 km²
- Bassin de Ширмакша445 km²
10 dept-equivalent regions (GADM L2)
- 727.8 km²36.3% of basin
- 697.3 km²34.7% of basin
- 423.5 km²21.1% of basin
- Pestyakovskiy rayonIvanovo · Russia47.6 km²2.4% of basin
- Sokol’skiy rayonIvanovo · Russia42.8 km²2.1% of basin
- Vernelandekhovskiy rayonIvanovo · Russia36.9 km²1.8% of basin
- Puchezhskiy rayonIvanovo · Russia19.8 km²1.0% of basin
- 9.1 km²0.5% of basin
8 intersecting protected areas
Dubrava u goroda Gorodca
IUCN IIINatural Monument
6.69 km² overlap
Natural Monument
6.48 km² overlap
Boloto Semirech`e
IUCN IIINatural Monument
5.39 km² overlap
Boloto po rekam CHernoj i Projme
IUCN IIINatural Monument
3.50 km² overlap
Boloto Skorynino-Milino
IUCN IIINatural Monument
2.09 km² overlap
Natural Monument
1.62 km² overlap
Ozero Spasskoe
IUCN IIINatural Monument
0.14 km² overlap
Natural Monument
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 245 distinct species · 4 781 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 Волга : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 107 interactions GloBI sur 5 types (connectance 16.1%, filtre Serrano α=0.2). 9 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°
4,3°C
Annual rain
584mm
Moisture idx (CMI)
-0,06
Runoff
190mm/an
PET
623mm
AET
454mm
Mean slope
1,0°
Water table
85cm
Forest
60%
Crops
14%
Urban
4%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)