HydroBASINS lev08 watershed · #2080424850
Bassin de Чёрная Калитва
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 : Ol'khovatskiy rayon, Rossoshanskiy rayon, Roven'skiy rayon
Sub-basin area
344,6km²
Upstream area
2 677,8km²
Discharge
7,96m³/s
Mean elev.
137m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Чёрная Калитва1432 km²
- Bassin de Ольховатка901 km²
3 dept-equivalent regions (GADM L2)
- 339.0 km²98.0% of basin
- 4.3 km²1.2% of basin
- Roven'skiy rayonBelgorod · Russia2.6 km²0.8% of basin
1 intersecting protected areas
Urochishha Zabegi i Kosharnoe
IUCN IIINatural Monument
1.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
161 distinct species · 213 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Чёрная Калитва : 6 espèces reliées par 7 interactions GloBI sur 1 type (connectance 12.7%, 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°
7,0°C
Annual rain
516mm
Moisture idx (CMI)
-0,35
Runoff
87mm/an
PET
792mm
AET
439mm
Mean slope
2,5°
Water table
313cm
Forest
1%
Crops
55%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)