Species Regional Summary
Amphibalanus improvisus
None ( B-V )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st record?: Karslkrona/Sweden/Baltic Sea (1948, Gislen 1950)

Geographic Extent

Karlskrona/Sweden/Baltic Sea (1948, Gislen 1950); Poland/Szczecin Lagoon (Wittfoth and Zettler 2013)

Vectors

Level Vector
Alternate Natural Dispersal
Alternate Hull Fouling
Alternate Ballast Water

Regional Impacts

Economic ImpactShipping/Boating
Costs of fouling of recreational boats in Swedish waters, due to A. improvisus, were estimated at 122-331 million Swedish kroner, SK, equal to 18-49 million dollars, per year. Fouling of commercial vessels was estimated at 33-49 SK, equal to 5-7 million dollars, per year, for a total cost of 23-56 million dollars per year (Gren et al. 2009).
 
Economic ImpactIndustry
Costs of fouling of power plants in Swedish waters were estimated at 10-38 SK (=1.5-5.5 million dollars) per year (Gren et al. 2009).
 

References

Gislen, Torsten (1950) {On the invasion and distribution of Balanus improvisus along the coast of Sweden.], Fauna och Flora 45: 32-37

Gren, Ing-Marie; Isacs, Lina; Carlsson, Mattias (2009) Costs of alien invasive species in Sweden, Ambio 38(3): 135-140

Wittfoth, Anne K. J.; Zettler, Michael L. (2013) The application of a Biopollution Index in German Baltic estuarine and lagoon waters, Management of Biological Invasions 4: in press


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