Rivière· 8 segments
Varėnė
Crosses 2 administrative regions : Alytaus, Varėnos
Total length
50km
Max discharge
13,4m³/s
Max Strahler
4
Segments matched
8
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
6 intersecting protected areas
Merkio upė
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Nature Reserve
Kalesninkų ir Užukalnių apylinkės
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Glėbo ežero apylinkės
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Geidukonių pelkė
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
240 distinct species · 350 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Varėnė : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
50km
Max discharge
13,4m³/s
Max Strahler
4
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.