HydroBASINS lev08 watershed · #2080272670
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 3 administrative regions : Kadyyskiy rayon, Sokol’skiy rayon, Yur’evskiy rayon
Sub-basin area
268,5km²
Upstream area
192 835,6km²
Discharge
1 207,09m³/s
Mean elev.
98m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ёлнать942 km²
- Bassin de Ёлнать28 km²
3 dept-equivalent regions (GADM L2)
- Yur’evskiy rayonIvanovo · Russia135.7 km²50.3% of basin
- Kadyyskiy rayonKostroma · Russia122.2 km²45.3% of basin
- Sokol’skiy rayonIvanovo · Russia12.0 km²4.4% of basin
1 intersecting protected areas
Zavrazh`e
IUCN IITourist and Recreational Area
12.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
313 distinct species · 552 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 6 types (connectance 9.1%, 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°
4,0°C
Annual rain
603mm
Moisture idx (CMI)
-0,02
Runoff
183mm/an
PET
615mm
AET
454mm
Mean slope
0,7°
Water table
69cm
Forest
26%
Crops
42%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)