Rivière· 6 segments

Birvėta

Crosses 4 administrative regions : Braslaw, Ignalinos, Pastavy, Švenčionių

rivière

Total length

31km

Max discharge

7,5m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-20803075001802 km²

4 administrative regions crossed (GADM L2)

Ignalinos
Utenos · Lithuania
21.8 km
in this dpt
Švenčionių
Vilniaus · Lithuania
4.3 km
in this dpt
Braslaw
Vitebsk · Belarus
0.0 km
in this dpt
Pastavy
Vitebsk · Belarus
0.0 km
in this dpt

11 intersecting protected areas

Vileity
IUCN IV
Wetland of International Importance (Ramsar Site)
Adutiskis-Svyla-Birveta Wetland Complex
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
Adutiškio - Guntauninkų miškai
IUCN Not Reported
Special Protection Area (Birds Directive)
Adutiškio-Guntauninkų miškų biosferos poligonas
IUCN VI
Biosphere polygon
Adutiškio pelkė
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Birvėtos šlapžemės
IUCN Not Reported
Special Protection Area (Birds Directive)
Birvėtos biosferos poligonas
IUCN VI
Biosphere polygon
Adutiškio telmologinis draustinis
IUCN IV
Nature Reserve
Svylos upės slėnis
IUCN Not Reported
Special Protection Area (Birds Directive)

2 more protected areassorted by area

Svylos biosferos poligonas
IUCN VI
Biosphere polygon
Birvėtos upės slėnis ties Rimaldiške
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

401 distinct species · 1 994 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Birvėta : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.116

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)