HydroBASINS lev08 watershed · #2080274260
Bassin de Осуга
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 : Kuvshinovskiy rayon, Selizharovskiy rayon, Torzhokskiy rayon
Sub-basin area
1 573,3km²
Upstream area
1 573,4km²
Discharge
11,26m³/s
Mean elev.
229m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Kuvshinovskiy rayonTver' · Russia1153.5 km²73.0% of basin
- Torzhokskiy rayonTver' · Russia423.3 km²26.8% of basin
- Selizharovskiy rayonTver' · Russia4.4 km²0.3% of basin
19 intersecting protected areas
Kuvshinovskij
IUCN IVState Natural Zakaznik
38.54 km² overlap
Boloto Belyj Moh
IUCN IVState Natural Zakaznik
7.55 km² overlap
Boloto Ozereckij Moh
IUCN IVState Natural Zakaznik
6.98 km² overlap
State Natural Zakaznik
3.86 km² overlap
Boloto Glodenskoe
IUCN IVState Natural Zakaznik
3.61 km² overlap
Boloto Sokolovskij Moh
IUCN IVState Natural Zakaznik
3.26 km² overlap
Boloto Ozereckoe
IUCN IVState Natural Zakaznik
2.45 km² overlap
Boloto Klyuchevskoe
IUCN IVState Natural Zakaznik
2.31 km² overlap
Boloto Mishnev Moh
IUCN IVState Natural Zakaznik
1.28 km² overlap
10 more protected areassorted by overlap area
Boloto Klyuchevskij Moh
IUCN IVState Natural Zakaznik
0.56 km² overlap
Park Pryamuhino
IUCN Not ReportedNatural Monument
0.25 km² overlap
Boloto Lytkinskij Moh
IUCN IVState Natural Zakaznik
0.25 km² overlap
Park Gorkovskij
IUCN Not ReportedNatural Monument
0.13 km² overlap
Boloto Kolosovskij Moh
IUCN IVState Natural Zakaznik
0.11 km² overlap
Park Zajkovskij
IUCN Not ReportedNatural Monument
0.10 km² overlap
Boloto Myaskovskij Moh
IUCN IVState Natural Zakaznik
0.10 km² overlap
Boloto Skomorohovskij Moh
IUCN IVState Natural Zakaznik
0.03 km² overlap
Boloto Morusinskij Moh
IUCN IVState Natural Zakaznik
0.02 km² overlap
Boloto Sen`kovskij Moh
IUCN IVState Natural Zakaznik
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
256 distinct species · 417 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Осуга : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 12 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
639mm
Moisture idx (CMI)
0,03
Runoff
224mm/an
PET
622mm
AET
482mm
Mean slope
1,4°
Water table
125cm
Forest
72%
Crops
22%
Urban
1%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)