HydroBASINS lev08 watershed · #2080263650
Bassin de Уйвешь
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 : Bezhetskiy rayon, Molokovskiy rayon, Sonkovskiy rayon
Sub-basin area
449,3km²
Upstream area
449,3km²
Discharge
2,56m³/s
Mean elev.
154m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Bezhetskiy rayonTver' · Russia450.2 km²99.7% of basin
- Molokovskiy rayonTver' · Russia1.3 km²0.3% of basin
- Sonkovskiy rayonTver' · Russia0.1 km²0.0% of basin
1 intersecting protected areas
State Natural Zakaznik
12.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
113 distinct species · 276 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Уйвешь : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 3 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°
3,7°C
Annual rain
582mm
Moisture idx (CMI)
-0,05
Runoff
183mm/an
PET
616mm
AET
463mm
Mean slope
0,7°
Water table
64cm
Forest
27%
Crops
46%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)