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The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	breeding	2000	3-5 breeding pairs	C6
Little Tern Sternula albifrons	LC	breeding	2000	3 breeding pairs	C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2013) is shown below.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Whooper Swan Cygnus cygnus	12	6	breeding pairs	50	unfavourable
Little Tern Sternula albifrons	3	0	breeding pairs	0	very unfavourable

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Artificial/Aquatic & Marine	good (> 90%)	very poor (< 40%)	very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Human intrusions and disturbance	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management planning has taken place	Very little or no conservation action taking place	low

Year	Protected Area	Designation	% overlap with IBA
2004	Visbarų žuvininkystės tvenkiniai	Special Protection Area (Birds Directive)	100
2005	Visbaru biosferos poligonas	Biosferos poligonas	100

Habitat1	Habitat detail	% of IBA
Artificial/Aquatic & Marine		43
Artificial/Terrestrial	Arable land, Perennial crops, orchards and groves	38
Grassland		16
Forest	Broadleaved deciduous woodland	3

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	38
rangeland/pastureland	16
fisheries/aquaculture	major (>10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Visbarai fish-farm (Lithuania). Downloaded from https://datazone.birdlife.org/site/factsheet/visbarai-fish-farm-iba-lithuania on 23/11/2024.