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Environmental characteristics of annual pico_nanophytoplankton blooms along the Qinhuangdao Coast
Cao Xihua; Yu Zhiming; Wu Zaixing; Cheng Fangjin; He Liyan; Yuan Yongquan; Song Xiuxian; Zhang Jianle1; Zhang Yongfeng1; Zhang Wanlei1
2018-03-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume36Issue:2Pages:281-292
SubtypeArticle
AbstractBlooms of some pico/nanophytoplankton have occurred frequently along the Qinhuangdao coast since 2009, and it is necessary to identify the critical environmental factors inducing them. In this study, variations in the physical and nutrient characteristics of the seawater were analyzed following the development of local blooms in 2013. The local environmental characteristics were also compared with those of the Changjiang River estuary, China, and the Long Island estuaries in the USA, which are also prone to blooms of special algal species. In Qinhuangdao the local water temperature varied seasonally and rose above 15 degrees C in 2013 early summer, coincident with the water discoloration. The salinity was more than 28 with a variation range of < 3 throughout the year. Our results suggest that the physical conditions of the Qinhuangdao coastal area were suitable for the explosive proliferation of certain pico/nanophytoplankton, e.g. Aureococcus anophagefferens. The water supporting the bloom was not in a condition of serious eutrophication, but there were relatively high concentrations of reduced nitrogen (especially ammonium), which acted as an important nitrogen source for the pico/nanophytoplankton bloom. There was also a large gap between total nitrogen (TN) and dissolved inorganic nitrogen (DIN). Although the phosphate concentration was relatively low, there was no evidence of phosphorus limitation to the growth of pico/nanophytoplankton during bloom events.
Keywordpico/nanophytoplankton harmful algae blooms eutrophication physical conditions Qinhuangdao coastal area
Subject AreaMarine & Freshwater Biology ; Oceanography
DOI10.1007/s00343-017-5216-4
Indexed BySCIE
Language英语
WOS Research AreaLimnology ; Oceanography
WOS IDWOS:000431662200009
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157590
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.SOA, Qinhuangdao Marine Environm Monitoring Cent Stn, Qinhuangdao 066002, Peoples R China
Recommended Citation
GB/T 7714
Cao Xihua,Yu Zhiming,Wu Zaixing,et al. Environmental characteristics of annual pico_nanophytoplankton blooms along the Qinhuangdao Coast[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2018,36(2):281-292.
APA Cao Xihua.,Yu Zhiming.,Wu Zaixing.,Cheng Fangjin.,He Liyan.,...&Zhang Wanlei.(2018).Environmental characteristics of annual pico_nanophytoplankton blooms along the Qinhuangdao Coast.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,36(2),281-292.
MLA Cao Xihua,et al."Environmental characteristics of annual pico_nanophytoplankton blooms along the Qinhuangdao Coast".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 36.2(2018):281-292.
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