Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China
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 201...
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MDPI AG
2020-11-01
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| Online Access: | https://www.mdpi.com/1424-2818/12/11/433 |
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| author | Yong Zhang Jin-Zhu Su Yu-Ping Su Hong Lin Yang-Chun Xu Balaji P. Barathan Wan-Ning Zheng Kai G. Schulz |
| author_facet | Yong Zhang Jin-Zhu Su Yu-Ping Su Hong Lin Yang-Chun Xu Balaji P. Barathan Wan-Ning Zheng Kai G. Schulz |
| author_sort | Yong Zhang |
| collection | DOAJ |
| description | 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 <i>Prorocentrum donghaiense</i> and <i>Scrippsiella trochoidea</i> and the diatoms <i>Coscinodiscus</i> in May, and <i>Rhizosolenia</i>, <i>Pseudo-nitzschia</i>, and <i>Guinardia</i> in July. Cell densities of dinoflagellates and <i>P. donghaiense</i> 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<sup>–1</sup>. |
| first_indexed | 2024-03-10T14:46:10Z |
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| issn | 1424-2818 |
| language | English |
| last_indexed | 2024-03-10T14:46:10Z |
| publishDate | 2020-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Diversity |
| spelling | doaj.art-ccc26fd27276417fa3184a6f92e204f92023-11-20T21:22:46ZengMDPI AGDiversity1424-28182020-11-01121143310.3390/d12110433Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast ChinaYong Zhang0Jin-Zhu Su1Yu-Ping Su2Hong Lin3Yang-Chun Xu4Balaji P. Barathan5Wan-Ning Zheng6Kai G. Schulz7College of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCollege of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCollege of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCollege of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCollege of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCollege of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCollege of Environmental Science and Engineering, and Fujian Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou 350007, ChinaCentre for Coastal Biogeochemistry, School of Science, Environment and Engineering, Southern Cross University, Lismore, NSW 2480, AustraliaLarge-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 <i>Prorocentrum donghaiense</i> and <i>Scrippsiella trochoidea</i> and the diatoms <i>Coscinodiscus</i> in May, and <i>Rhizosolenia</i>, <i>Pseudo-nitzschia</i>, and <i>Guinardia</i> in July. Cell densities of dinoflagellates and <i>P. donghaiense</i> 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<sup>–1</sup>.https://www.mdpi.com/1424-2818/12/11/433harmful algal bloomnutrientsphytoplankton community compositionsalinitytemperature |
| spellingShingle | Yong Zhang Jin-Zhu Su Yu-Ping Su Hong Lin Yang-Chun Xu Balaji P. Barathan Wan-Ning Zheng Kai G. Schulz Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China Diversity harmful algal bloom nutrients phytoplankton community composition salinity temperature |
| title | Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China |
| title_full | Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China |
| title_fullStr | Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China |
| title_full_unstemmed | Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China |
| title_short | Spatial Distribution of Phytoplankton Community Composition and Their Correlations with Environmental Drivers in Taiwan Strait of Southeast China |
| title_sort | spatial distribution of phytoplankton community composition and their correlations with environmental drivers in taiwan strait of southeast china |
| topic | harmful algal bloom nutrients phytoplankton community composition salinity temperature |
| url | https://www.mdpi.com/1424-2818/12/11/433 |
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