Phytoplankton Species Composition of Four Ecological Provinces in Yellow Sea, China

LI Xiaoqian; FENG Yuanyuan; LENG Xiaoyun; LIU Haijiao; SUN Jun

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Phytoplankton Species Composition of Four Ecological Provinces in Yellow Sea, China

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The ecological province based on phytoplankton species composition is important to understanding the interplay between environmental parameters and phytoplankton species composition. The aim of this study was to establish phytoplankton species composition ecological pattern thus elucidate the relationship between environmental factors and the phytoplankton species composition in the ecological provinces. Phytoplankton samples were collected from 31 stations in Yellow Sea(121.00?–125.00?E, 32.00?–39.22?N) in November 2014. The samples were enumerated and identified with the Uterm?hl method under an optical inverted microscope-AE2000 with magnifications of 200 × or 400 ×. In the present study, a total of 141 taxa belonging to 60 genera of 4 phyla of phytoplankton were identified, among them 101 species of 45 genera were Bacillariophyta, 36 species of 11 genera were Dinophyta, 3 species of 3 genera were Chrysophyta and 1 species of 1 genera was Chlorophyta. The study area was divided into 4 ecological provinces according to an unsupervised cluster algorithm applied to the phytoplankton biomass. A T-S(Temperature-Salinity) scatter diagram depicted with data of water temperature and salinity defined by environmental provinces matched well with the ecological provinces. The results of Canonical Correspondence Analysis(CCA) indicated that the phytoplankton species composition was mainly correlated with temperature, salinity and silicate concentration in the studied area. A method of establishing ecological provinces is useful to further understanding the environmental effects on the marine phytoplankton species composition and the consequent marine biogeochemistry.

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《中国海洋大学学报：英文版》 |2017年第6期|1115-1125|共11页
作者
LI Xiaoqian; FENG Yuanyuan; LENG Xiaoyun; LIU Haijiao; SUN Jun;
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作者单位

Tianjin Key Laboratory of Marine Resources and Chemistry;

Tianjin University of Science and Technology;

Tianjin 300457;

P. R. China;

College of Marine and Environmental Sciences;

Tianjin University of Science and Technology;

Tianjin 300457;

P. R. China;

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原文格式 PDF
正文语种 chi
中图分类海洋学;
关键词
phytoplankton; Yellow; Sea; ecological; province; species; composition; environmental; parameter;

Phytoplankton Species Composition of Four Ecological Provinces in Yellow Sea, China

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