HydroBASINS lev08 watershed · #2080274720
Bassin de Ивица
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 2 administrative regions : Bezhetskiy rayon, Rameshkovskiy rayon
Sub-basin area
403,4km²
Upstream area
403,4km²
Discharge
2,56m³/s
Mean elev.
165m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Rameshkovskiy rayonTver' · Russia400.7 km²98.8% of basin
- Bezhetskiy rayonTver' · Russia4.8 km²1.2% of basin
5 intersecting protected areas
Boloto CHubariha
IUCN IVState Natural Zakaznik
7.68 km² overlap
Boloto Bol`shihinskoe
IUCN IVState Natural Zakaznik
4.54 km² overlap
Boloto Oglyadkinskoe
IUCN IVState Natural Zakaznik
1.53 km² overlap
Boloto Mar`ino
IUCN IVState Natural Zakaznik
0.88 km² overlap
Boloto Dilanovskoe
IUCN IVState Natural Zakaznik
0.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 distinct species · 7 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Ивица : 6 espèces reliées par 5 interactions GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2).
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
598mm
Moisture idx (CMI)
-0,04
Runoff
200mm/an
PET
621mm
AET
471mm
Mean slope
0,9°
Water table
85cm
Forest
47%
Crops
35%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)