HydroBASINS lev08 watershed · #2080367520
Bassin de Каралык
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 : Alekseevskiy rayon, Bol'shechernigovskiy rayon, Bol'sheglushitskiy rayon, Kurmanaevskiy rayon
Sub-basin area
791,5km²
Upstream area
791,5km²
Discharge
1,98m³/s
Mean elev.
135m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Bol'sheglushitskiy rayonSamara · Russia697.3 km²87.7% of basin
- Bol'shechernigovskiy rayonSamara · Russia87.8 km²11.0% of basin
- Alekseevskiy rayonSamara · Russia6.1 km²0.8% of basin
- Kurmanaevskiy rayonOrenburg · Russia3.5 km²0.4% of basin
3 intersecting protected areas
Istoki reki Karalyk
IUCN IIINatural Monument
2.08 km² overlap
Natural Monument
1.38 km² overlap
Popov sad
IUCN IIINatural Monument
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 150 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Каралык : 26 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 4 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°
4,6°C
Annual rain
467mm
Moisture idx (CMI)
-0,40
Runoff
79mm/an
PET
773mm
AET
398mm
Mean slope
1,4°
Water table
182cm
Forest
0%
Crops
69%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)