HydroBASINS lev08 watershed · #2080293630
Bassin de Межа
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 : Nelidovo, Nelidovskiy rayon
Sub-basin area
431,7km²
Upstream area
1 256,4km²
Discharge
10,14m³/s
Mean elev.
203m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Бутаковка227 km²
- Bassin de Белейка166 km²
2 dept-equivalent regions (GADM L2)
- Nelidovskiy rayonTver' · Russia431.9 km²99.6% of basin
- 1.9 km²0.4% of basin
3 intersecting protected areas
Boloto Osinovskij Moh
IUCN IVState Natural Zakaznik
24.27 km² overlap
Boloto Lavrenevskoe
IUCN IVState Natural Zakaznik
4.23 km² overlap
Boloto Stahovskij Moh
IUCN IVState Natural Zakaznik
0.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
301 distinct species · 567 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Межа : 25 espèces reliées par 49 interactions GloBI sur 5 types (connectance 11.3%, filtre Serrano α=0.2). 5 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
641mm
Moisture idx (CMI)
0,01
Runoff
257mm/an
PET
635mm
AET
488mm
Mean slope
0,9°
Water table
61cm
Forest
85%
Crops
9%
Urban
5%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)