Rivière· 3 segments
Žvirgždė
Crosses 5 administrative regions : Marijampolės, Trakų, Varėnos, Vilkaviškio, Šalčininkų
Total length
31km
Max discharge
15,2m³/s
Max Strahler
4
Segments matched
3
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- VilkaviškioMarijampoles · Lithuania9.1 kmin this dpt
- TrakųVilniaus · Lithuania4.6 kmin this dpt
- ŠalčininkųVilniaus · Lithuania2.8 kmin this dpt
- MarijampolėsMarijampoles · Lithuania0.3 kmin this dpt
- VarėnosAlytaus · Lithuania0.0 kmin this dpt
7 intersecting protected areas
Rūdninkų giria
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Biosphere polygon
Merkio upė
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Nature Reserve
Gižų apylinkės
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Ropėjos miškas
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Biosphere polygon
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
573 distinct species · 1 368 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Žvirgždė : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 6 types (connectance 12.9%, filtre Serrano α=0.2). 10 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
31km
Max discharge
15,2m³/s
Max Strahler
4
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.