The distribution of green algal micro-propagules and macroalgae at the early stage of green tide in the coastal area of South Jiangsu Province in 2014 |
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| Authors: | Xiangqing Liu Zongling Wang Shiliang Fan Xuelei Zhang Ruixiang Li Yan Li |
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| Institution: | 1.College of Environmental Science and Engineering,Ocean University of China,Qingdao,P. R. China;2.The First Institute of Oceanography,State Oceanic Administration,Qingdao,P. R. China;3.Laboratory of Marine Ecology and Environmental Science,Qingdao National Laboratory for Marine Science and Technology,Qingdao,P. R. China |
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| Abstract: | An integrated investigation was carried out during late April to late May of 2014 in the coastal area of South Jiangsu Province to understand the early development of green tide in the Yellow Sea and discover the temporal and spatial distribution of green algal micro-propagules and macroalgae at the early stage of green tide. The results showed that green algal micro-propagules distributed in all stations from late April to late May, and micro-propagules of high density( 300 ind. L~(-1)) concentrated in the adjacent Porphyra aquaculture area. Floating macroalgae were initially observed in the northern survey areas, and increased gradually. The dominant species was U. prolifera in the floating macroalgae, ranging between 90% and 100%. The seawater surface temperature and salinity in the above mentioned time period were suitable for the growth of macroalgae. This work can help government to strengthen management to reduce the blooms of macroalgae in the coastal area of South Jiangsu Province and also facilitate the decision-making for managers at the early stage of green tide. |
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