HydroBASINS lev08 watershed · #2080251350
Bassin de Кать
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 : Pestovskiy rayon, Sandovskiy rayon, Ustyuzhenskiy rayon
Sub-basin area
438,9km²
Upstream area
438,9km²
Discharge
2,34m³/s
Mean elev.
156m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 312.5 km²70.8% of basin
- Ustyuzhenskiy rayonVologda · Russia122.5 km²27.8% of basin
- Sandovskiy rayonTver' · Russia6.3 km²1.4% of basin
2 intersecting protected areas
Boloto Perfil`evskoe
IUCN IIINatural Monument
5.99 km² overlap
Gorskij
IUCN IVState Natural Zakaznik
3.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
135 distinct species · 333 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Кать : 25 espèces reliées par 40 interactions GloBI sur 5 types (connectance 7.6%, 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°
3,3°C
Annual rain
625mm
Moisture idx (CMI)
0,03
Runoff
168mm/an
PET
608mm
AET
465mm
Mean slope
1,2°
Water table
104cm
Forest
80%
Crops
7%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)