Fleuve majeur· 31 segments
Майна
Crosses 7 administrative regions : Maynskiy rayon, Melekesskiy rayon, Spasskiy rayon, Staromaynskiy rayon, Veshkaymskiy rayon +1
Total length
119km
Max discharge
7 632,2m³/s
Max Strahler
9
Segments matched
31
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- Staromaynskiy rayonUl'yanovsk · Russia69.0 kmin this dpt
- Melekesskiy rayonUl'yanovsk · Russia26.8 kmin this dpt
- Water bodyUl'yanovsk · Russia23.0 kmin this dpt
- Maynskiy rayonUl'yanovsk · Russia17.1 kmin this dpt
- Water bodyTatarstan · Russia2.4 kmin this dpt
- Veshkaymskiy rayonUl'yanovsk · Russia1.2 kmin this dpt
- Spasskiy rayonTatarstan · Russia0.2 kmin this dpt
1 page = 1 named river (aggregation of 31 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
6 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 Майна : 4 espèces reliées par 3 interactions GloBI sur 3 types (connectance 50.0%, 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
119km
Max discharge
7 632,2m³/s
Max Strahler
9
Segments matched
31
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.