HydroBASINS lev08 watershed · #2080274710
Bassin de Княжа
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 1 administrative regions : Ostashkovskiy rayon
Sub-basin area
92km²
Upstream area
913,3km²
Discharge
7,99m³/s
Mean elev.
216m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Зуёвка449 km²
- Bassin de Черемуха372 km²
1 dept-equivalent regions (GADM L2)
- Ostashkovskiy rayonTver' · Russia92.4 km²100.0% of basin
4 intersecting protected areas
Ostrova Hachin
IUCN IVState Natural Zakaznik
14.60 km² overlap
Troeruchica
IUCN IVState Natural Zakaznik
9.75 km² overlap
Lesa ostrova Gorodomlya
IUCN IIINatural Monument
1.47 km² overlap
Lezhnevo
IUCN IVState Natural Zakaznik
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
661 distinct species · 2 192 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 Княжа : 22 espèces reliées par 32 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 8 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
662mm
Moisture idx (CMI)
0,06
Runoff
273mm/an
PET
623mm
AET
483mm
Mean slope
1,1°
Water table
99cm
Forest
43%
Crops
4%
Urban
0%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)