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Temporal and spatial feature of phytoplankon in the Yuandang Lake
LIU Jian-bin, HUANG Huang-qin, XU Feng-xia
State Key Laboratory of Marine Environmental Science(Xiamen University) 361005, China
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Abstract  

The enzyme assay for determining the phytoplankton cell lysis rate has been widely utilized in different water environments.In this paper,we investigated the phytoplankton cell lysis rate in the Yuandang Lake so as to explore the spatial and temporal change and its influencing factors.During the investigation,the dissolved esterase activity,esterase activity in particulate and phytoplankton lysis rate were determined in the inner and outer lakes.The chlorophyll concentration in water and other environmental parameters were also measured.The results showed that phytoplankton cell lysis rate did not change spatially,but it changed temporally.The concentration of virus in water was higher in July,leading to a higher rate of phytoplankton lysis.The lysis rate of phytoplankton in the Yuandang Lake was decreased in August and September,and its value did not change obviously during that period.

Key wordsYuandang Lake      dissolved esterase activity(DEA)      particle esterase activity(PEA)      lysis rate(LR)     
Received: 25 December 2011     
:  X524  
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LIU Jian-bin
HUANG Huang-qin
XU Feng-xia
Cite this article:   
LIU Jian-bin,HUANG Huang-qin,XU Feng-xia. Temporal and spatial feature of phytoplankon in the Yuandang Lake[J]. , 2011, 30(6): 602-606.
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http://www.ecolsci.com/EN/     OR     http://www.ecolsci.com/EN/Y2011/V30/I6/602
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