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LIU Huilian, Kamil ZÁGORŠEK, WANG Shiwei, MA Shide, Paul D. TAYLOR. Interactions between Cryptosula and Watersipora (Bryozoa:Cheilostomata) on a ship's hull in Qingdao Harbour (South Yellow Sea) after five and a half years of immersion[J]. HaiyangYuHuZhao, 2017, 35(5): 1179-1188

Interactions between Cryptosula and Watersipora (Bryozoa:Cheilostomata) on a ship's hull in Qingdao Harbour (South Yellow Sea) after five and a half years of immersion

LIU Huilian1, Kamil ZÁGORŠEK1,2, WANG Shiwei1, MA Shide1, Paul D. TAYLOR3
1 Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
2 Department of Geography, Technical University of Liberec, Studentská 2, CZ-461 17 Liberec, Czech Republic;
3 Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom
The distributions of two ubiquitous fouling cheilostome bryozoans, Cryptosula pallasiana (Moll, 1803) and Watersipora sp., on a ship moored for almost six years in Qingdao Bay show differences with respect to illumination, Cryptosula being dominant on the side of the ship which was exposed to the sun and Watersipora dominating on the other side which was in shadow for most of the time. Competitive interactions for substrate space were nearly always won by Watersipora, which succeeded in overgrowing the edges of Cryptosula colonies regardless of the side of the ship. Reasons for the superiority of Watersipora in spatial competition with Cryptosula could include faster growth rate and the stronger feeding currents created by the larger lophophores of Watersipora.
Key words:    macrobenthic fauna|megabenthic fauna|diversity|East China Sea|Kuroshio Current   
Received: 2016-03-28   Revised: 2016-06-22
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Articles by LIU Huilian
Articles by Kamil ZÁGORŠEK
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