HydroBASINS lev08 watershed · #2080343030
Bassin de Садак
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 4 administrative regions : Abdulinskiy rayon, Bizhbulyakskiy rayon, Matveevskiy rayon, Ponomarevskiy rayon
Sub-basin area
1 242,5km²
Upstream area
1 242,5km²
Discharge
5,78m³/s
Mean elev.
246m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Ponomarevskiy rayonOrenburg · Russia385.5 km²30.9% of basin
- Matveevskiy rayonOrenburg · Russia375.8 km²30.1% of basin
- Abdulinskiy rayonOrenburg · Russia248.1 km²19.9% of basin
- 238.4 km²19.1% of basin
6 intersecting protected areas
Alferovskij chernool`shannik
IUCN IIINatural Monument
0.86 km² overlap
Prisedyakskie chernool`shaniki
IUCN IIINatural Monument
0.44 km² overlap
Peshhernyj log
IUCN IIINatural Monument
0.31 km² overlap
Natural Monument
0.19 km² overlap
Nizhnekurmejskij utes
IUCN IIINatural Monument
0.01 km² overlap
Rodnik Belyj kolodec
IUCN IIINatural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 45 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Садак : 18 espèces reliées par 21 interactions GloBI sur 5 types (connectance 12.3%, 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°
3,4°C
Annual rain
513mm
Moisture idx (CMI)
-0,31
Runoff
152mm/an
PET
746mm
AET
434mm
Mean slope
2,1°
Water table
120cm
Forest
1%
Crops
48%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)