HydroBASINS lev08 watershed · #2080238430
Bassin de Тихвинка
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 5 administrative regions : Boksitogorsk, Boksitogorskiy rayon, Pikalyovo, Tikhvin, Tikhvinskiy rayon
Sub-basin area
2 268km²
Upstream area
2 268,2km²
Discharge
19,78m³/s
Mean elev.
119m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 1451.8 km²63.7% of basin
- 821.2 km²36.0% of basin
- 3.1 km²0.1% of basin
- 2.5 km²0.1% of basin
- 2.0 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 030 distinct species · 2 970 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Тихвинка : 17 espèces reliées par 42 interactions GloBI sur 3 types (connectance 24.6%, filtre Serrano α=0.2). 2 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°
3,2°C
Annual rain
714mm
Moisture idx (CMI)
0,18
Runoff
277mm/an
PET
586mm
AET
455mm
Mean slope
1,3°
Water table
68cm
Forest
89%
Crops
4%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)