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Diurnal variation of phytoplankton community in a high frequency area of HABs: Daya Bay, China 被引量:3

Diurnal variation of phytoplankton community in a high frequency area of HABs: Daya Bay, China
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摘要 Phytoplankton community was investigated in the cage culture area of Daya Bay during a diurnal cycle. Two rainfalls occurred during the course of the experiment and decreased the surface seawater salinity in the aquaculture area. A total of 38 species were identified, of which the dominant species included Pseudo-nitzschia spp. and Skeletonema costatum. Water stratification obstructed the vertical migration of dinoflagellates. Statistical analysis indicated that Synechococcus showed negative relationship with silicate and ammonia, which indicated that Synechococcus adapted to grow at oligotrophic environment. Phytoplankton community structure implied the risk of Pseudo-nitzschia spp. blooms in the aquaculture area of Daya Bay. Phytoplankton community was investigated in the cage culture area of Daya Bay during a diurnal cycle. Two rainfalls occurred during the course of the experiment and decreased the surface seawater salinity in the aquaculture area. A total of 38 species were identified, of which the dominant species included Pseudo-nitzschia spp. and Skeletonema costatum. Water stratification obstructed the vertical migration of dinoflagellates. Statistical analysis indicated that Synechococcus showed negative relationship with silicate and ammonia, which indicated that Synechococcus adapted to grow at oligotrophic environment. Phytoplankton community structure implied the risk of Pseudo-nitzschia spp. blooms in the aquaculture area of Daya Bay.
出处 《Chinese Journal of Oceanology and Limnology》 SCIE CAS CSCD 2011年第4期800-806,共7页 中国海洋湖沼学报(英文版)
基金 Supported by the Knowledge Innovation Project of Chinese Academy of Sciences (Nos. KZCX2-YW-213, SQ200805) the National Natural Science Foundation of China (Nos. U0633007, 40828006, 40906057) the Science and Technology Program of Guangdong Province (Nos. 2005A30501001, 2009B030600004)
关键词 diurnal variation PHYTOPLANKTON aquaculture area Daya Bay 浮游植物群落 大亚湾 日变化 高频区 网箱养殖区 赤潮 中国 植物群落结构
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