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Non-native Bivalve Species and Aquaculture along the Eastern Adriatic Coast

This paper summarizes the ecological impacts of the introduction and spread of non-native bivalve species on ecosystems and aquaculture along the eastern Adriatic coast. According to the latest checklist, there are 252 species of bivalves in the Adriatic, of which 12 are non-native species. Four non-native bivalves’ species have been recorded in the eastern Adriatic: Magallana gigas, Ruditapes phillipinarum, Pinctada radiata and Anadara transversa, and all of these four species have been accidentally introduced. M. gigas and R. phillipinarum have become established along the eastern Adriatic coast, without any significant impact on natural populations and aquaculture to date. Both species are important species for marine aquaculture elsewhere. The introduction of non-native bivalve species into marine ecosystems can have significant impacts on native ecosystems as well as on socioeconomic conditions in a given area. Whether non-native species can become established in a new area depends on the extent to which environmental conditions meet its needs in terms of habitat and food availability. Therefore, it is very important to collect data on non-native species, their ecological status and distribution, in order to monitor the current situation for potential impacts on aquaculture and to investigate the possible implementation of these species in aquaculture on the eastern Adriatic coast.

bivalves, non-native species, aquaculture, environment, impact, the eastern Adriatic coast

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