Naslov
Selective feeding of the mussels Mytilus galloprovincialis and Pinna nobilis on the natural phytoplankton community in the Mali Ston Bay (Croatia)

Autori
Ninčević-Gladan, Živana ; Marasović, Ivona ; Jelačić, Ana ; Skejić, Sanda ; Peharda, Melita ; Ezgeta-Balić, Daria

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Skup
14th International Conference on Harmful Algae

Mjesto i datum
Kreta, Grčka, 01.11.2010. - 05.11.2010

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Mytilus galloprovincialis; Pinna nobilis; Adriatic Sea

Sažetak
Since, large rates of mortality are not usually observed in cultivated bivalves during harmful algal blooms outbreaks we assumed that marine bivalves used ingested toxins for protection against their own predators. Because of bivalves ability to sort particles based on size and quality we examined the ability of mussels Mytilus galloprovincialis and Pinna nobilis to preferentially ingest or reject toxic phytoplankton in situ by comparing the phytoplankton composition of water and bivalve gut contents. This in situ experiment were done in Mali Son Bay which is the most important shellfish cultivate area in Croatia in a period from May 2009 to May 2010. Mussell M.galloprovincialis preferentially selects dinoflagellate from natural phytoplankton community. Among dinoflagellate they prefer Dinophysis and Prorocentrumin in relation to Ceratium and Protoperidinium which were abundant in the phytoplankton community. During the extensive bloom of Dinophysis fortii significant difference in ingestion of D. fortii species between small and large mussels Pinna nobilis have been observed. These differences could be attributed to differences in digestive capability of small and large individuals.

Izvorni jezik
Engleski

Znanstvena područja
Biologija

POVEZANOST RADA