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Physicochemical conditions in affecting the distribution of spring phytoplankton community

Authors
  • Wei, Yuqiu1, 2
  • Liu, Haijiao3
  • Zhang, Xiaodong1, 2
  • Xue, Bing1, 2
  • Munir, Sonia1, 2
  • Sun, Jun1, 2
  • 1 Tianjin University of science and Technology, College of Marine and Environmental Sciences, Tianjin, 300457, China , Tianjin (China)
  • 2 Tianjin University of Science and Technology, Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin, 300457, China , Tianjin (China)
  • 3 Shandong University, Institute of Marine Science and Technology, Jinan, 250110, China , Jinan (China)
Type
Published Article
Journal
Chinese Journal of Oceanology and Limnology
Publisher
Science Press
Publication Date
Mar 13, 2017
Volume
35
Issue
6
Pages
1342–1361
Identifiers
DOI: 10.1007/s00343-017-6190-6
Source
Springer Nature
Keywords
License
Yellow

Abstract

To better understand the physicochemical conditions in affecting regional distribution of phytoplankton community, one research cruise was carried out in the Bohai Sea and Yellow Sea during 3rd and 23th May, 2010. The phytoplankton community, including Bacillariophyta (105 taxa), Pyrrophyta (54 taxa), Chrysophyta (1 taxon) and Chlorophyta (2 taxa), had been identified and clearly described from six ecological provinces. And, the six ecological provinces were partitioned based on the top twenty dominant species related with notable physicochemical parameters. In general, the regional distributions of phytoplankton ecological provinces were predominantly influenced by the physicochemical properties induced by the variable water masses and circulations. The predominant diatoms in most of water samples showed well adaptability in turbulent and eutrophic conditions. However, several species of dinoflagellates e.g., Protoperidinium conicum, Protoperidinium triestinum, Protoperidinium sp. and Gymnodinium lohmanni preferred warmer, saltier and nutrient-poor environment. Moreover, the dinoflagellates with high frequency in the Yellow Sea might be transported from the Yellow Sea Warm Current. The horizontal distribution of phytoplankton was depicted by diatoms and controlled by phosphate concentration, while the vertical distribution was mainly supported by light and nutrients availability in the subsurface and bottom layers, respectively.

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