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      High abundance and reproductive output of an intertidal limpet ( Siphonaria japonica) in environments with high thermal predictability

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          Abstract

          The predictability of high temperatures is important for intertidal species for coping with thermal stress. To investigate the roles of high temperature and its predictability on the population abundance and reproductive output of an intertidal rocky shore limpet, Siphonaria japonica, we monitored the operative temperature, recorded the population abundance of egg ribbons and adults, and quantified the expression of heat shock protein 70 ( hsp70) mRNA on two warm-temperate rocky shores with different thermal environments. Abundances of limpets and egg ribbons in the hotter but more predictable (HP) habitats were higher than those in the relatively benign and unpredictable (BU) habitats. In the HP habitats, there was a strong positive correlation between habitat temperature and population abundance. For limpets living in the HP habitats, the expression of hsp70 exhibited a smaller increase with rising body temperature than for BU limpets, indicating the existence in HP limpets of a preparatory strategy in cellular stress response against thermal stress. Our results demonstrate that the predictability of operative temperature can affect physiological responses and population dynamics. The importance of predictability should be considered in analyses of the ecological consequences of climate warming.

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          Author and article information

          Journal
          MLST
          Marine Life Science & Technology
          Springer (China )
          2096-6490
          2662-1746
          01 November 2020
          28 September 2020
          : 2
          : 4
          : 324-333
          Affiliations
          1The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Qingdao 266003, China
          2Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, China
          3Zhejiang Key Laboratory of Exploitation and Preservation of Coastal Bio-Resource, Wenzhou 325005, China
          Author notes
          *Corresponding author: Yunwei Dong, E-mail: dongyw@ 123456ouc.edu.cn
          Article
          s42995-020-00059-7
          10.1007/s42995-020-00059-7
          © 2020 Ocean University of China
          Product
          Self URI (journal-page): https://www.springer.com/journal/42995
          Categories
          Research Papers

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