HydroBASINS lev08 watershed · #2080292670
Bassin de Вазуза
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 : Rzhevskiy rayon, Sychevskiy rayon, Zubtsovskiy rayon
Sub-basin area
224,6km²
Upstream area
5 495,7km²
Discharge
37,53m³/s
Mean elev.
198m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Вазуза2868 km²
- Bassin de Гжать585 km²
3 dept-equivalent regions (GADM L2)
- Zubtsovskiy rayonTver' · Russia134.3 km²59.5% of basin
- Sychevskiy rayonSmolensk · Russia64.5 km²28.6% of basin
- Rzhevskiy rayonTver' · Russia26.9 km²11.9% of basin
3 intersecting protected areas
State Natural Zakaznik
21.75 km² overlap
State Natural Zakaznik
2.38 km² overlap
Boloto Semichastnyj Moh
IUCN IVState Natural Zakaznik
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
203 distinct species · 533 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 Вазуза : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 11.9%, 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°
4,2°C
Annual rain
633mm
Moisture idx (CMI)
-0,01
Runoff
227mm/an
PET
636mm
AET
489mm
Mean slope
1,0°
Water table
70cm
Forest
37%
Crops
52%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)