The impact of giant jellyfish Nemopilema nomurai blooms on plankton communities in a temperate marginal sea.

Autor: Xiao W; State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian., Zeng Y; State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian., Liu X; State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian. Electronic address: liuxin1983@xmu.edu.cn., Huang X; State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian; College of Chemistry and Environment, Minnan Normal University, Zhangzhou, Fujian., Chiang KP; Institute of Marine Environment and Ecology, National Taiwan Ocean University, 202-24 Keelung, Taiwan., Mi T; College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shangdong., Zhang F; Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, Shangdong., Li C; Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, Shangdong., Wei H; School of Marine Science and Technology, Tianjin University, Tianjin., Yao Q; College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shangdong., Huang B; State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian.
Jazyk: angličtina
Zdroj: Marine pollution bulletin [Mar Pollut Bull] 2019 Dec; Vol. 149, pp. 110507. Date of Electronic Publication: 2019 Aug 12.
DOI: 10.1016/j.marpolbul.2019.110507
Abstrakt: This study focused on the bloom-developing process of the giant jellyfish, Nemopilema nomurai, on phytoplankton and microzooplankton communities. Two repeated field observations on the jellyfish bloom were conducted in June 2012 and 2014 in the southern Yellow Sea where blooms of N. nomurai were frequently observed. We demonstrated that the bloom was made up of two stages, namely the developing stage and the mature stage. Total chlorophyll a increased and the concentrations of inorganic nutrients decreased during the developing stage, while both concentrations maintained stable and at low levels during the mature stage. Our analysis revealed that phosphate excreted by growing N. nomurai promoted the growth of phytoplankton at the developing stage. At the mature stage, size compositions of microzooplankton were altered and tended to be smaller via a top-down process, while phytoplankton compositions, affected mainly through a bottom-up process, shifted to be less diatoms and cryptophytes but more dinoflagellates.
(Copyright © 2019 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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