Transportation of bivalve shells by algae in Sishili Bay, Yantai, China (Yellow Sea)
Konstantin A. Lutaenko, Linlin Chen and Baoquan Li
A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690041, Russia Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
Empty shells of seven species of bivalve mollusks with attached algae, predominantly Ulva linza L., were found intertidally in Sishili Bay, Yantai (Yellow Sea), out of total 17 species collected. Quantitative characteristics of shells and algae, including weight, size and shell/algae weight ratio are provided. Observations show that mass algal attachment may facilitate shell dislodgements leading to transportation of selected species and environmental mixing in thanatocoenoses. Molluscan shells serve as an additional substrate for green algae, thus, it may increase their abundance in shallow waters.
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