Ruisseau· 12 segments
Ūla
Crosses 2 administrative regions : Shchuchyn, Varėnos
Total length
62km
Max discharge
5m³/s
Max Strahler
3
Segments matched
12
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
15 intersecting protected areas
Dzūkijos nacionalinis parkas
IUCN IIState Park
Dainavos giria
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Dainavos giria
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Čepkelių pelkė
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
State Strict Reserve
Čepkelių pelkė
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Cepkeliai
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Kaniavos miškai
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Nature Reserve
6 more protected areassorted by area
Merkio upė
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Ūlos upė
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Karaviškių miškas
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Nature Reserve
Stojų pievos
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
348 distinct species · 520 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Ūla : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 5 types (connectance 13.8%, filtre Serrano α=0.2). 7 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
62km
Max discharge
5,0m³/s
Max Strahler
3
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.