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Comparison of environmental responding strategies between Ulva prolifera and Sargassum horneri: an in-situ study during the co-occurrence of green tides and golden tides in the Yellow Sea, China in 2017

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Abstract

Large-scale green tides in the Yellow Sea occurred for 13 consecutive years since 2007. The unusual co-occurrence of green tides and golden tides occurred in the Yellow Sea in 2017. The causative species are Ulva prolifera and/or Sargassum horneri. Previous studies on physiological response characteristics of U. prolifera and S. horneri are done in the laboratory mainly, and there is no in-situ comparative study in this regard. In this study, the in-situ physiological response characteristics of both species were measured. The results indicated that cyclic electron flow and antioxidant system play more important roles in protecting U. prolifera, while non-photochemical quenching is more important for adapting to the environment in S. horneri. U. prolifera has a stronger ability to utilize nutrients to rapidly increase its biomass under a suitable condition compared to S. horneri.

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Data Availability Statement

All data generated and/or analyzed during this study are available from the corresponding author upon request on reasonable request.

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Correspondence to Xuexi Tang or Ying Wang.

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Supported by the National Key R&D Program of China (No. 2016YFC1402102), the Key Laboratory of Marine Ecology and Environmental Science and Engineering, SOA (No. MESE-2019-02), the National Natural Science Foundation of China (Nos. 41906120, 41706121), the Pilot National Laboratory for Marine Science and Technology (Qingdao) (No. JCZX202027), the Basic Applied Researching Projects of Qingdao (No. 15-9-1-37-jch), the NSFC-Shandong Joint Fund (Nos. U1806213, U1606404), the Key Research Program of Frontier Sciences, Chinese Academy of Sciences (No. QYZDB-SSW-DQC023), and the Fundamental Research Funds for the Central Universities (No. 201964025)

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Zhao, X., Zhong, Y., Zhang, H. et al. Comparison of environmental responding strategies between Ulva prolifera and Sargassum horneri: an in-situ study during the co-occurrence of green tides and golden tides in the Yellow Sea, China in 2017. J. Ocean. Limnol. 39, 2252–2266 (2021). https://doi.org/10.1007/s00343-021-0397-2

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  • DOI: https://doi.org/10.1007/s00343-021-0397-2

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