HydroBASINS lev08 watershed · #2080438370
Bassin de Хопёр
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 : Novoanninskiy rayon
Sub-basin area
353,4km²
Upstream area
60 755,9km²
Discharge
169,97m³/s
Mean elev.
87m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Кумылга1742 km²
- Bassin de Хопёр184 km²
1 dept-equivalent regions (GADM L2)
- 354.6 km²100.0% of basin
2 intersecting protected areas
Nizhnehoperskij
IUCN IINatural Park
290.86 km² overlap
Kumylzhenskij
IUCN IVState Natural Zakaznik
162.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
322 distinct species · 538 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Хопёр : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 12 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°
7,5°C
Annual rain
430mm
Moisture idx (CMI)
-0,48
Runoff
40mm/an
PET
821mm
AET
370mm
Mean slope
1,3°
Water table
261cm
Forest
1%
Crops
47%
Urban
0%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)