HydroBASINS lev08 watershed · #2080494390
Bassin de Старый Дон
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 1 administrative regions : Semikarakorskiy rayon
Sub-basin area
24,4km²
Upstream area
379 085,2km²
Discharge
839,34m³/s
Mean elev.
7m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сал2724 km²
- Bassin de Дон165 km²
1 dept-equivalent regions (GADM L2)
- 24.4 km²100.0% of basin
1 intersecting protected areas
Urochishhe Petrovskaya luka
IUCN IVProtected Landscape
0.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
56 distinct species · 94 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Старый Дон : 22 espèces reliées par 21 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
9,8°C
Annual rain
501mm
Moisture idx (CMI)
-0,44
Runoff
64mm/an
PET
898mm
AET
428mm
Mean slope
0,4°
Water table
19cm
Forest
68%
Crops
44%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)