HydroBASINS lev08 watershed · #2080397130
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 3 administrative regions : Adamovskiy rayon, Novoorskiy rayon, Yasnenskiy rayon
Sub-basin area
390,5km²
Upstream area
5 965km²
Discharge
3,82m³/s
Mean elev.
280m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Кумак2335 km²
- Bassin de Джарлы1133 km²
3 dept-equivalent regions (GADM L2)
- Novoorskiy rayonOrenburg · Russia178.1 km²45.5% of basin
- Yasnenskiy rayonOrenburg · Russia132.1 km²33.7% of basin
- Adamovskiy rayonOrenburg · Russia81.7 km²20.8% of basin
3 intersecting protected areas
Akzharskaya step`
IUCN IIINatural Monument
62.37 km² overlap
Karabutakskaya step`
IUCN IIINatural Monument
6.79 km² overlap
Karabutakskie leski
IUCN IIINatural Monument
0.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 9 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 : 5 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 1 type (connectance 30.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
2,4°C
Annual rain
303mm
Moisture idx (CMI)
-0,63
Runoff
21mm/an
PET
823mm
AET
269mm
Mean slope
0,9°
Water table
124cm
Forest
0%
Crops
30%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)