Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China

Yong Zhang; Jin-Zhu Su; Yu-Ping Su; Hong Lin; Yang-Chun Xu; Balaji P. Barathan; Wan-Ning Zheng; Kai G. Schulz

doi:10.3390/d12110433

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Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China

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Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China

Yong Zhang, Jin-Zhu Su, Yu-Ping Su, Hong Lin, Yang-Chun Xu, Balaji P. Barathan, Wan-Ning Zheng and Kai G. Schulz

Diversity, Vol.12(11), pp.433-433

18/11/2020

DOI: https://doi.org/10.3390/d12110433

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Abstract

temperature

salinity

harmful algal bloom

nutrients

phytoplankton community composition

Large-scale dinoflagellate blooms have appeared in recent decades in the Taiwan Strait, Southeast China. To study spatial variability of phytoplankton community composition, physical and chemical environmental drivers in surface seawater of the Taiwan Strait, we conducted cruises in May and July 2019. Cell numbers of dinoflagellates were significantly higher than that of diatoms in most sampling stations during the cruise in May, whereas diatoms were the major contributor to autotrophic biomass in July. Phytoplankton community shifted from a dinoflagellate- and diatom-dominated system in May to diatom dominance in July. The dominant phytoplankton species (genera) were the harmful algal bloom dinoflagellates Prorocentrum donghaiense and Scrippsiella trochoidea and the diatoms Coscinodiscus in May, and Rhizosolenia, Pseudo-nitzschia, and Guinardia in July. Cell densities of dinoflagellates and P. donghaiense reduced exponentially with increasing seawater temperature and salinity and decreasing dissolved inorganic nitrogen (DIN) concentrations. Based on the results of our work and previous studies, it becomes obvious that harmful dinoflagellate blooms are likely to be a major component of the planktonic food web in the Taiwan Strait at a temperature of 17.0–23.0 °C, a salinity of 29.0–33.0 psu, and a DIN concentration higher than 2.0 μmol L–1.

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Title: Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China
Creators: Yong Zhang (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Jin-Zhu Su (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Yu-Ping Su (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Hong Lin (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Yang-Chun Xu (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Balaji P. Barathan (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Wan-Ning Zheng (Author) - College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, China
Kai G. Schulz (Author) - Centre for Coastal Biogeochemistry, School of Science, Environment and Engineering, Southern Cross University, Lismore, NSW 2480, Australia
Publication Details: Diversity, Vol.12(11), pp.433-433
Publisher: MDPI AG
Grant note: This research was funded by National Key Research & Development Plan “Strategic International Scientific and Technological Innovation Cooperation” (2016YFE0202100) and the National Natural Science Foundation of China (41573075, 41806129).
Identifiers: 991012927066002368
Academic Unit: School of Environment, Science and Engineering; Centre for Coastal Biogeochemistry; Faculty of Science and Engineering; Science
Language: English
Resource Type: Journal article

Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China

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