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Volume 6 Issue 1
Jan.  2015
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Article Navigation >  Journal of Tropical Biology  > 2015  >  6(1): 25-29

MA Qingtao, LIN Qing, LI Chunxiao, CHEN Jiaxiong, CHEN Kailiang, XU Xiaoneng. Observation of Filtration Rate of Paphia undulata（Born） at the Shen’ao Bay,Shenzhen,China[J]. Journal of Tropical Biology, 2015, 6(1): 25-29. doi: 10.15886/j.cnki.rdswxb.2015.01.004
Citation: MA Qingtao, LIN Qing, LI Chunxiao, CHEN Jiaxiong, CHEN Kailiang, XU Xiaoneng. Observation of Filtration Rate of Paphia undulata（Born） at the Shen’ao Bay,Shenzhen,China[J]. Journal of Tropical Biology, 2015, 6(1): 25-29. doi: 10.15886/j.cnki.rdswxb.2015.01.004
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Observation of Filtration Rate of Paphia undulata（Born） at the Shen’ao Bay,Shenzhen,China

doi: 10.15886/j.cnki.rdswxb.2015.01.004

  • 1. Shantou Ocean and Fisheries Research Institute, Shantou 515041, China;

  • 2. Shantou Marine Plants Experiment Station, Chinese Academy of Sciences, Shantou 515041, China

  • Received Date: 2014-10-01
  • Paphia undulata（ Born,1778） collected from Shen’ao Bay,Shenzhen,Guangdong,China were fed thrice in the polyethylene buckets of 5 L with algal diet at different rates and different time in December 2013 to observe their filtration rates and carrying capacity by using the method for experimental ecology. P. undulata were observed to increase their filtration rates with their body weight,but their filtration rates per body weight were reduced with an increase in the body size of P. undulata: FR’ = 0. 330 3W-0. 356 9（ R2= 0. 996 5）. P. undulata were fed with algae Isochrysis galbana and Platymonas subcordiformis separately to observe their filtration rates at 8 am,14 pm and 20 pm,and the filtration rates were found maximum at 8 am,followed by at 14 pm and 20 pm,and showed significant difference among these three feeding hours（ P ＜ 0. 05）. P. undulata were fed with the mixture of I. galbana and P. subcordiformis,and their filtration rates were increased with the cell density of the mixed feed in the buckets,but decreased when the cell density exceeded 3. 06 × 105cell·L-1.
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Observation of Filtration Rate of Paphia undulata（Born） at the Shen’ao Bay,Shenzhen,China

doi: 10.15886/j.cnki.rdswxb.2015.01.004
  • 1. Shantou Ocean and Fisheries Research Institute, Shantou 515041, China;
  • 2. Shantou Marine Plants Experiment Station, Chinese Academy of Sciences, Shantou 515041, China
  • Received Date: 2014-10-01

Abstract: Paphia undulata（ Born,1778） collected from Shen’ao Bay,Shenzhen,Guangdong,China were fed thrice in the polyethylene buckets of 5 L with algal diet at different rates and different time in December 2013 to observe their filtration rates and carrying capacity by using the method for experimental ecology. P. undulata were observed to increase their filtration rates with their body weight,but their filtration rates per body weight were reduced with an increase in the body size of P. undulata: FR’ = 0. 330 3W-0. 356 9（ R2= 0. 996 5）. P. undulata were fed with algae Isochrysis galbana and Platymonas subcordiformis separately to observe their filtration rates at 8 am,14 pm and 20 pm,and the filtration rates were found maximum at 8 am,followed by at 14 pm and 20 pm,and showed significant difference among these three feeding hours（ P ＜ 0. 05）. P. undulata were fed with the mixture of I. galbana and P. subcordiformis,and their filtration rates were increased with the cell density of the mixed feed in the buckets,but decreased when the cell density exceeded 3. 06 × 105cell·L-1.

MA Qingtao, LIN Qing, LI Chunxiao, CHEN Jiaxiong, CHEN Kailiang, XU Xiaoneng. Observation of Filtration Rate of Paphia undulata（Born） at the Shen’ao Bay,Shenzhen,China[J]. Journal of Tropical Biology, 2015, 6(1): 25-29. doi: 10.15886/j.cnki.rdswxb.2015.01.004
Citation: MA Qingtao, LIN Qing, LI Chunxiao, CHEN Jiaxiong, CHEN Kailiang, XU Xiaoneng. Observation of Filtration Rate of Paphia undulata（Born） at the Shen’ao Bay,Shenzhen,China[J]. Journal of Tropical Biology, 2015, 6(1): 25-29. doi: 10.15886/j.cnki.rdswxb.2015.01.004
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