HydroBASINS lev08 watershed · #2080318750
Bassin de Барыш
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 2 administrative regions : Alatyrskiy rayon, Surskiy rayon
Sub-basin area
300,8km²
Upstream area
5 949,9km²
Discharge
18,14m³/s
Mean elev.
149m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Якла752 km²
- Bassin de Барыш190 km²
2 dept-equivalent regions (GADM L2)
- Surskiy rayonUl'yanovsk · Russia259.6 km²85.9% of basin
- 42.6 km²14.1% of basin
1 intersecting protected areas
Surskij im.S.A.Buturlina
IUCN IVState Natural Zakaznik
154.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
244 distinct species · 353 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 Барыш : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 5 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°
4,1°C
Annual rain
531mm
Moisture idx (CMI)
-0,22
Runoff
78mm/an
PET
677mm
AET
448mm
Mean slope
1,7°
Water table
152cm
Forest
67%
Crops
20%
Urban
0%
Protected
67%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)