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Foraging Responses of the Larvae of Invasive Bullfrogs(Lithobates catesbeianus): Possible Implications for Bullfrog Control and Ecological Impact in China

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【作者】 Chunxia XUXu GAOMichael R.CROSSLZetian LIUSupen WANGWei ZHURichard SHINEYiming LI

【Author】 Chunxia XU;Xu GAO;Michael R.CROSSL;Zetian LIU;Supen WANG;Wei ZHU;Richard SHINE;Yiming LI;Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences;School of Life and Environmental Sciences, University of Sydney;University of Chinese Academy of Sciences;

【机构】 Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of SciencesSchool of Life and Environmental Sciences, University of SydneyUniversity of Chinese Academy of Sciences

【摘要】 The predatory behavior of invasive species can affect their ecological impact, and offer opportunities for targeted control. In Australia, tadpoles of invasive cane toads(Rhinella marina) do not consume eggs of native anurans, but are strongly attracted to(and consume) newly-laid eggs of conspecifics; chemical cues from such eggs(or adult secretions) thus can be used to attract toad tadpoles to traps. Do other invasive anurans show similar selectivity? Our laboratory trials on a Chinese population of invasive American bullfrogs(Lithobates catesbeianus) revealed similar behaviors as exhibited by Australian cane toads. Bullfrog tadpoles rarely consumed the eggs of native anurans, but were attracted to both bullfrog eggs and bullfrog skin secretions. Although the attraction response was less intense in bullfrogs than in cane toads, it might nonetheless enable selective removal of bullfrog tadpoles from invaded sites.

【基金】 supported by grants from the National Natural Science Foundation of China(31370545);National Science Foundation of China (31572284)
【所属期刊栏目】 ORIGINAL ARTICLE (2017年04期)
  • 【DOI】10.16373/j.cnki.ahr.170064
  • 【分类号】Q958
  • 【下载频次】1
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