Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020)
Research on phytoplankton distribution and dynamics is crucial for understanding marine ecosystem functions and evaluating their status. The northern Yellow Sea (NYS), a marginal sea of the Pacific Ocean, has experienced significant anthropogenic impacts since the late 20th century, resulting in an...
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Frontiers Media S.A.
2025-01-01
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| Series: | Frontiers in Marine Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmars.2024.1481701/full |
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| author | Yibo Wang Yibo Wang Zhiliang Liu Zhiliang Liu Yanping Qi Yang Chen Yang Chen Haibo Zhang Xihan Liu Xihan Liu Du Su Du Su |
| author_facet | Yibo Wang Yibo Wang Zhiliang Liu Zhiliang Liu Yanping Qi Yang Chen Yang Chen Haibo Zhang Xihan Liu Xihan Liu Du Su Du Su |
| author_sort | Yibo Wang |
| collection | DOAJ |
| description | Research on phytoplankton distribution and dynamics is crucial for understanding marine ecosystem functions and evaluating their status. The northern Yellow Sea (NYS), a marginal sea of the Pacific Ocean, has experienced significant anthropogenic impacts since the late 20th century, resulting in an increased nitrogen-to-phosphorus (N/P) ratio and heightened phosphorus limitation. These changes are considered critical factors affecting the phytoplankton community structure in the NYS over recent decades. This study analyzed the temporal dynamics of environmental factors and phytoplankton community structure in the NYS during the summers from 2011 to 2020, aiming to elucidate recent changes in phytoplankton community structure and their driving forces. The results indicated a significant decrease in dissolved inorganic nitrogen (DIN) concentration after 2011, resulting in a decreased N/P ratio, while phosphorus limitation persisted. Temperature, temperature gradient (reflecting stratification intensity) and salinity exhibited upward trends, whereas pH, nitrogen-to-silicon (N/Si) ratio, and chlorophyll-a concentration showed downward trends. The abundances of total phytoplankton, Bacillariophyta, and Dinoflagellata, as well as the Dia/Dino index, fluctuated annually and correlated with temperature, temperature gradient, and nutrient structure. Diversity indices remained stable throughout the study period. The Yellow Sea Cold Water Mass prominently influenced summer phytoplankton community structure, exhibiting lower phytoplankton abundance, Dia/Dino index, and species richness in the cold water mass region, where adaptable species such as Tripos muelleri and Paralia sulcata predominated. Our results emphasized the impact of environmental changes associated with climate change, including rising temperatures, increased salinity, and enhanced stratification, on the phytoplankton community structure in recent years, particularly concerning the dominant species composition and the Dia/Dino index. Therefore, ongoing attention to the effects of climate change on coastal environments and phytoplankton communities is essential. |
| format | Article |
| id | doaj-art-a1109cc542b146af8edd0af575bcd6f6 |
| institution | Kabale University |
| issn | 2296-7745 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Marine Science |
| spelling | doaj-art-a1109cc542b146af8edd0af575bcd6f62025-01-30T13:48:47ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452025-01-011110.3389/fmars.2024.14817011481701Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020)Yibo Wang0Yibo Wang1Zhiliang Liu2Zhiliang Liu3Yanping Qi4Yang Chen5Yang Chen6Haibo Zhang7Xihan Liu8Xihan Liu9Du Su10Du Su11Research Center for Marine Science, Hebei Normal University of Science and Technology, Qinhuangdao, ChinaHebei Key Laboratory of Ocean Dynamics, Resources and Environments, Qinhuangdao, ChinaResearch Center for Marine Science, Hebei Normal University of Science and Technology, Qinhuangdao, ChinaHebei Key Laboratory of Ocean Dynamics, Resources and Environments, Qinhuangdao, ChinaNorth China Sea Environmental Monitoring Center, State Oceanic Administration, Qingdao, ChinaResearch Center for Marine Science, Hebei Normal University of Science and Technology, Qinhuangdao, ChinaHebei Key Laboratory of Ocean Dynamics, Resources and Environments, Qinhuangdao, ChinaNational Marine Environmental Monitoring Centre, Ministry of Ecology and Environment, Dalian, ChinaHebei Joint Laboratory of Coastal Ecology and Environment, Institute of Geographical Sciences, Hebei Academy of Sciences, Shijiazhuang, ChinaHebei Engineering Research Center for Geographic Information Application, Institute of Geographical Sciences, Hebei Academy of Sciences, Shijiazhuang, ChinaResearch Center for Marine Science, Hebei Normal University of Science and Technology, Qinhuangdao, ChinaHebei Key Laboratory of Ocean Dynamics, Resources and Environments, Qinhuangdao, ChinaResearch on phytoplankton distribution and dynamics is crucial for understanding marine ecosystem functions and evaluating their status. The northern Yellow Sea (NYS), a marginal sea of the Pacific Ocean, has experienced significant anthropogenic impacts since the late 20th century, resulting in an increased nitrogen-to-phosphorus (N/P) ratio and heightened phosphorus limitation. These changes are considered critical factors affecting the phytoplankton community structure in the NYS over recent decades. This study analyzed the temporal dynamics of environmental factors and phytoplankton community structure in the NYS during the summers from 2011 to 2020, aiming to elucidate recent changes in phytoplankton community structure and their driving forces. The results indicated a significant decrease in dissolved inorganic nitrogen (DIN) concentration after 2011, resulting in a decreased N/P ratio, while phosphorus limitation persisted. Temperature, temperature gradient (reflecting stratification intensity) and salinity exhibited upward trends, whereas pH, nitrogen-to-silicon (N/Si) ratio, and chlorophyll-a concentration showed downward trends. The abundances of total phytoplankton, Bacillariophyta, and Dinoflagellata, as well as the Dia/Dino index, fluctuated annually and correlated with temperature, temperature gradient, and nutrient structure. Diversity indices remained stable throughout the study period. The Yellow Sea Cold Water Mass prominently influenced summer phytoplankton community structure, exhibiting lower phytoplankton abundance, Dia/Dino index, and species richness in the cold water mass region, where adaptable species such as Tripos muelleri and Paralia sulcata predominated. Our results emphasized the impact of environmental changes associated with climate change, including rising temperatures, increased salinity, and enhanced stratification, on the phytoplankton community structure in recent years, particularly concerning the dominant species composition and the Dia/Dino index. Therefore, ongoing attention to the effects of climate change on coastal environments and phytoplankton communities is essential.https://www.frontiersin.org/articles/10.3389/fmars.2024.1481701/fullphytoplankton community structurediversityDia/Dino indexenvironmental factornutrient structureclimate change |
| spellingShingle | Yibo Wang Yibo Wang Zhiliang Liu Zhiliang Liu Yanping Qi Yang Chen Yang Chen Haibo Zhang Xihan Liu Xihan Liu Du Su Du Su Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020) Frontiers in Marine Science phytoplankton community structure diversity Dia/Dino index environmental factor nutrient structure climate change |
| title | Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020) |
| title_full | Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020) |
| title_fullStr | Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020) |
| title_full_unstemmed | Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020) |
| title_short | Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020) |
| title_sort | temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern yellow sea 2011 2020 |
| topic | phytoplankton community structure diversity Dia/Dino index environmental factor nutrient structure climate change |
| url | https://www.frontiersin.org/articles/10.3389/fmars.2024.1481701/full |
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