HydroBASINS lev08 watershed · #2080291840
Bassin de Везлома
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 : Bor, Borskiy rayon, Kstovo, Kstovskiy rayon, Nizhniy Novgorod gorsovet +1
Sub-basin area
819,4km²
Upstream area
480 341,7km²
Discharge
2 811,01m³/s
Mean elev.
93m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ока1375 km²
- Bassin de Волга29 km²
6 dept-equivalent regions (GADM L2)
- 567.3 km²68.9% of basin
- 204.8 km²24.9% of basin
- 44.4 km²5.4% of basin
- 6.5 km²0.8% of basin
- 0.3 km²0.0% of basin
- 0.1 km²0.0% of basin
6 intersecting protected areas
Sitnikovskij
IUCN IVState Natural Zakaznik
24.78 km² overlap
Zelenyj gorod
IUCN IIINatural Monument
12.78 km² overlap
Natural Monument
3.78 km² overlap
Natural Monument
3.52 km² overlap
Malinovaya gryada
IUCN IIINatural Monument
0.23 km² overlap
Urochishhe Sluda
IUCN IIINatural Monument
0.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 235 distinct species · 47 105 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Везлома : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 3 types (connectance 14.2%, filtre Serrano α=0.2). 10 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
597mm
Moisture idx (CMI)
-0,04
Runoff
176mm/an
PET
625mm
AET
457mm
Mean slope
1,1°
Water table
81cm
Forest
46%
Crops
18%
Urban
20%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)