HydroBASINS lev08 watershed · #2080265700
Bassin de Середница
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 : Maksatikhinskiy rayon, Udomel'skiy rayon
Sub-basin area
519,1km²
Upstream area
519,1km²
Discharge
3,66m³/s
Mean elev.
165m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Udomel'skiy rayonTver' · Russia426.8 km²81.8% of basin
- Maksatikhinskiy rayonTver' · Russia95.0 km²18.2% of basin
16 intersecting protected areas
State Natural Zakaznik
59.24 km² overlap
Boloto Kichigi
IUCN IVState Natural Zakaznik
13.80 km² overlap
State Natural Zakaznik
6.85 km² overlap
Boloto Kuznechiki
IUCN IVState Natural Zakaznik
6.74 km² overlap
Boloto Alferinskoe
IUCN IVState Natural Zakaznik
6.53 km² overlap
Boloto Najdenka
IUCN IVState Natural Zakaznik
5.79 km² overlap
Boloto Samsonovskoe
IUCN IVState Natural Zakaznik
5.05 km² overlap
Udomel`skij
IUCN IVState Natural Zakaznik
4.77 km² overlap
Bolota ZHidkovskie
IUCN IVState Natural Zakaznik
3.91 km² overlap
7 more protected areassorted by overlap area
Boloto Zmeevskoe
IUCN IVState Natural Zakaznik
3.18 km² overlap
Boloto SHagurinskoe
IUCN IVState Natural Zakaznik
2.95 km² overlap
Vodoohrannye lesnye nasazhdeniya po malym rekam: Atemezha, Volchina, Vorozhba, Rivica, Tifina, yavlyayushhihsya pritokami r. Mologi
IUCN Not ReportedState Natural Zakaznik
2.90 km² overlap
Boloto Andrianiha
IUCN IVState Natural Zakaznik
2.58 km² overlap
Natural Monument
1.43 km² overlap
Boloto Eremkovskoe
IUCN IVState Natural Zakaznik
0.83 km² overlap
Parkovaya zona v p. Malyshevo
IUCN Not ReportedNatural Monument
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
606 distinct species · 4 455 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 Середница : 25 espèces reliées par 31 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 7 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°
3,6°C
Annual rain
622mm
Moisture idx (CMI)
0,01
Runoff
222mm/an
PET
615mm
AET
472mm
Mean slope
1,1°
Water table
78cm
Forest
78%
Crops
16%
Urban
0%
Protected
29%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)