HydroBASINS lev08 watershed · #2080293320
Bassin de Сундовик
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 7 administrative regions : Bol'shemurashkinskiy rayon, Buturlinskiy rayon, Dal'nekonstantinovskiy rayon, Knyagininskiy rayon, Kstovskiy rayon +2
Sub-basin area
1 120,2km²
Upstream area
1 120,3km²
Discharge
5,75m³/s
Mean elev.
149m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- 427.4 km²38.0% of basin
- 372.4 km²33.1% of basin
- 129.6 km²11.5% of basin
- 118.8 km²10.6% of basin
- 70.9 km²6.3% of basin
- 6.5 km²0.6% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Natural Monument
0.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 166 distinct species · 4 024 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Сундовик : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 5 types (connectance 13.3%, 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°
3,9°C
Annual rain
583mm
Moisture idx (CMI)
-0,08
Runoff
162mm/an
PET
631mm
AET
456mm
Mean slope
2,1°
Water table
190cm
Forest
5%
Crops
69%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)