Rivière· 19 segments
Большая Якла
Crosses 3 administrative regions : Drozhzhanovskiy rayon, Maynskiy rayon, Surskiy rayon
Total length
56km
Max discharge
15,5m³/s
Max Strahler
5
Segments matched
19
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Surskiy rayonUl'yanovsk · Russia34.2 kmin this dpt
- Drozhzhanovskiy rayonTatarstan · Russia33.1 kmin this dpt
- Maynskiy rayonUl'yanovsk · Russia6.4 kmin this dpt
2 intersecting protected areas
Ovrag SHereldauk
IUCN IIINatural Monument
Mordovskie luga
IUCN IIINatural Monument
1 page = 1 named river (aggregation of 19 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
11 distinct species · 12 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Большая Якла : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
56km
Max discharge
15,5m³/s
Max Strahler
5
Segments matched
19
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.