Species Regional Summary
Amphibalanus improvisus
None ( B-VIII )

Invasion History Vectors Impacts References

Invasion

Invasion Description

The date of invasion in the Gulf of Riga is unknown, but it probably occurred in the late 19th century.

Geographic Extent

Estonia-Latvia/Parun Bight, Gulf of Riga (Olenin and Leppakoski 2000)

Vectors

Level Vector
Alternate Hull Fouling
Alternate Ballast Water

Regional Impacts

Ecological ImpactCompetition
In the Gulf of Bothnia, A. improvisus was classified as having some community impacts (Zaiko et al. 2011).
 
Ecological ImpactHabitat Change
In the Gulf of Riga, A. improvisus was classified as having some habitat impacts (Zaiko et al. 2011).
 

References

Box, Antonio; Sureda, Antoni; Tauler, Pere; Terrados, Jorge; Marba, Nuria; Pons, Antoni Deudero, Salud (2010) Seasonality of caulerpenyne content in native Caulerpa prolifera and invasive C. taxifolia and C. racemosa/em> var. cylindracea/em> in the western Mediterranean Sea, Botanica Marina 53: 367-375

2000-2016 Inventory of Baltic Sea alien species. http://www.ku.lt/nemo/species.htm

Zaiko, Anastasija; Lehtiniemi, Maiju; Narscius, Aleksas; Olenin, Sergej (2011) Assessment of bioinvasion impacts on a regional scale: a comparative approach, Biological Invasions 13: 1739-1765


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