Exploring the dynamics of marine picophytoplankton among the Yellow Sea, Indian Ocean and Pacific Ocean: The importance of temperature and nitrogen
文献类型： 外文期刊
第一作者： Wei, Yuqiu
作者： Wei, Yuqiu;Qu, Keming;Cui, Zhengguo;Wei, Yuqiu;Qu, Keming;Cui, Zhengguo;Gu, Ting;Sun, Jun;Gu, Ting;Sun, Jun
作者机构：
关键词： Prochlorococcus; Synechococcus; Picoeukaryotes; Yellow sea; Indian ocean; Pacific ocean
期刊名称：ENVIRONMENTAL RESEARCH （ 影响因子：8.431； 五年影响因子：8.399 ）
ISSN： 0013-9351
年卷期： 2022 年 214 卷
页码：
收录情况： SCI
摘要： Marine picophytoplankton (<2 mu m) are the most abundant photosynthetic group and also important contributors to global primary production. However, it is still constrained to incorporate picophytoplankton into dynamic ecosystem models, as a result of our limited understanding of their global distribution and abundance. Here, we applied a large dataset consisted of 1817 in situ observations from the Yellow Sea, Indian Ocean, and Pacific Ocean to suggest that picophytoplankton abundance and distribution had a large variability among the three distinct regions. Based on the correlation analysis, aggregated boosted tree analysis, and generalized additive model, we proposed that water temperature and dissolved inorganic nitrogen (N) were key determinants in driving the large-scale variability of marine picophytoplankton. For example, we revealed that high temperature and low N would stimulate the growth of Prochlorococcus. Therefore, these results could provide some insights into the various environmental factors which affect the dynamics of picophytoplankton, as well as the dynamic ecosystem models.
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