Studies on filtration rate in four species of suspension feeding bivalves |
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Authors: | Lin Yuanshao Luo Wenxin Cao Wenqing Guo Donghui Zheng Airong Huang Changjiang |
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Affiliation: | 1.College of Oceanography and Environmental Sciences, Xiamen University, Xiamen 361005, China2.Department of Biology, Shantou University, Shantou 515000, China |
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Abstract: | The filtration rates of four kinds of bivalves that were cultivated dominantly around Xiamen sea area were measured by using a laboratory flowing system. The experimental results were shown below: (1) Filtration rates were measured in the range of 54~74.8 ml/ (g@min) among the four bivalves, sequencing descently Saccostrea cucullata > Sinonovacula constricta > Mytilus viridis > Ruditapes philippinarum. (2) The relationship between filtration rates on individual size showed a negative exponential function (FR = aWb, FR' = aWb-1), with b - 1 = - 0.435 6 and - 0.392. (3) Filtration rates on Skeletonema costatum were much higher than on Alexandrium tamarensis and Scrippsilla trochoidea inS. Cucullata and R. Philippinarum. (4) FR'on algal densities was also shown a negative function(FR' = aDb-1), with b-1 =-0.143 and-0.215 2 in S.cucullata and R.philippinarum, respectively. |
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Keywords: | Filtration rate suspension feeding bivalves Xiamen |
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