HydroBASINS lev08 watershed · #2080395400
Bassin de Большой Кумак
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 : Adamovskiy rayon, Dombarovskiy rayon, Novoorskiy rayon, Yasnenskiy rayon
Sub-basin area
1 095,4km²
Upstream area
7 380,5km²
Discharge
4,84m³/s
Mean elev.
266m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Кумак391 km²
- Bassin de Карабутак320 km²
4 dept-equivalent regions (GADM L2)
- Novoorskiy rayonOrenburg · Russia1018.4 km²92.6% of basin
- Adamovskiy rayonOrenburg · Russia63.3 km²5.8% of basin
- Yasnenskiy rayonOrenburg · Russia17.0 km²1.5% of basin
- Dombarovskiy rayonOrenburg · Russia0.8 km²0.1% of basin
4 intersecting protected areas
Akzharskaya step`
IUCN IIINatural Monument
83.62 km² overlap
CHapaevskie kolki
IUCN IIINatural Monument
0.54 km² overlap
Natural Monument
0.33 km² overlap
Natural Monument
0.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
255 distinct species · 477 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Большой Кумак : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 5 types (connectance 6.5%, filtre Serrano α=0.2). 10 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°
2,6°C
Annual rain
310mm
Moisture idx (CMI)
-0,62
Runoff
23mm/an
PET
823mm
AET
274mm
Mean slope
0,9°
Water table
128cm
Forest
0%
Crops
34%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)