HydroBASINS lev08 watershed · #2080266940
Bassin de Волчина
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 2 administrative regions : Udomel'skiy rayon, Vyshnevolotskiy rayon
Sub-basin area
44,9km²
Upstream area
780,1km²
Discharge
5,59m³/s
Mean elev.
163m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Волчина616 km²
- Bassin de Сьюча119 km²
2 dept-equivalent regions (GADM L2)
- Vyshnevolotskiy rayonTver' · Russia24.5 km²54.3% of basin
- Udomel'skiy rayonTver' · Russia20.6 km²45.7% of basin
1 intersecting protected areas
State Natural Zakaznik
23.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
479 distinct species · 1 128 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Волчина : 15 espèces reliées par 17 interactions GloBI sur 2 types (connectance 11.1%, 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
622mm
Moisture idx (CMI)
0,01
Runoff
219mm/an
PET
618mm
AET
473mm
Mean slope
1,2°
Water table
76cm
Forest
57%
Crops
33%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)