溞类(Daphnia)反捕食的表型可塑性及其研究进展

被引:6
作者
柯志新
黄良民
机构
[1] 中国科学院南海海洋研究所海洋生物资源可持续利用重点实验室
关键词
表型可塑性; 浮游动物; 溞类; 捕食风险; 信息素;
D O I
暂无
中图分类号
Q958 [动物生态学和动物地理学];
学科分类号
071012 ; 0713 ;
摘要
表型可塑性指的是生物体在生物或非生物环境发生变化时会呈现出不同的表型能力,是生物在不稳定的生活环境中维持生存的一种主要策略.在淡水生态系统,大量研究表明浮游动物能通过捕食者释放的化学信息物质感知捕食风险的存在,从而导致反捕食的表型可塑性反应的发生.溞类是一类很好的研究浮游动物对捕食者释放的信息素产生表型可塑性反应的模式生物.本文综述了捕食者释放的化学信息素对溞类的生活史、形态特征、行为活动以及生理指标等表型的影响,探讨了其形成机制和生态意义.溞类对捕食风险信息素的表型可塑性是特定种群与捕食者长期相互作用下适应性进化产生的,加强这些研究对了解物种的形成和生物的进化有非常重要的意义.
引用
收藏
页码:758 / 767
页数:10
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