HydroBASINS lev08 watershed · #2080357810
Bassin de Самара
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 : Buzulukskiy rayon, Grachevskiy rayon, Kurmanaevskiy rayon, Sorochinskiy rayon, Totskiy rayon
Sub-basin area
1 979,4km²
Upstream area
11 248,4km²
Discharge
27,99m³/s
Mean elev.
144m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сорочка829 km²
- Bassin de Самара323 km²
5 dept-equivalent regions (GADM L2)
- Totskiy rayonOrenburg · Russia1610.4 km²81.0% of basin
- Buzulukskiy rayonOrenburg · Russia323.2 km²16.3% of basin
- Kurmanaevskiy rayonOrenburg · Russia38.7 km²1.9% of basin
- Sorochinskiy rayonOrenburg · Russia12.2 km²0.6% of basin
- Grachevskiy rayonOrenburg · Russia2.8 km²0.1% of basin
9 intersecting protected areas
SHulaevskie lesa
IUCN IIINatural Monument
2.45 km² overlap
Natural Monument
2.37 km² overlap
Sarminskie sosny
IUCN IIINatural Monument
0.90 km² overlap
Medvezhij ovrag
IUCN IIINatural Monument
0.75 km² overlap
CHernool`shannik u 2-j Elshanki
IUCN IIINatural Monument
0.63 km² overlap
Sosnovyj bor M.G. Capkina
IUCN IIINatural Monument
0.38 km² overlap
Markovskij Kamennyj ovrag
IUCN IIINatural Monument
0.20 km² overlap
Nikiforovskie reliktovye sosny
IUCN IIINatural Monument
0.01 km² overlap
Rodnik Pervyj Elhovyj
IUCN IIINatural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
235 distinct species · 3 557 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Самара : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 8 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°
4,4°C
Annual rain
465mm
Moisture idx (CMI)
-0,41
Runoff
80mm/an
PET
787mm
AET
396mm
Mean slope
1,4°
Water table
151cm
Forest
2%
Crops
53%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)