Maternal effects and Symbiodinium community composition drive differential patterns in juvenile survival in the coral Acropora tenuis.
Maternal effects and Symbiodinium community composition drive differential patterns in juvenile survival in the coral Acropora tenuis.
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DOI：
10.1098/rsos.160471
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发表时间：
2016-10
影响因子：
3.5
通讯作者：
Bay LK
中科院分区：
文献类型：
--
作者：
Quigley KM;Willis BL;Bay LK
珊瑚内共生体的甲藻属Symbiodinium已知的影响宿主生理学，并导致了珊瑚礁建设的演变，但鲜为人知的是共生社区在早期的生活史阶段，他们的相互作用与主机父母身份形状珊瑚礁上的珊瑚群落的结构。区分环境和生物因素在推动种群人口变化过程中的作用，特别是幼虫定居、幼年早期存活和共生的开始，是了解珊瑚群落结构和预测它们可能如何应对气候变化的关键。我们表明，母体效应（这里包括遗传和/或影响有关的母体环境）可以解释近24%的变化，幼虫定居成功和5-17%的变化，在少年生存的造礁造石珊瑚，鹿角珊瑚的实验研究。经过25天的珊瑚礁，共生藻群落与青少年珊瑚之间的差异显着高死亡率和低死亡率的家庭的基础上估计的分类丰富度，组成和相对丰度的类群。我们的研究结果强调，母亲和家庭的影响显着解释的变化在少年的生存和共生体社区在广播产卵珊瑚，共生藻A3型可能是一个关键的共生伙伴在这个生命早期阶段。
Coral endosymbionts in the dinoflagellate genus Symbiodinium are known to impact host physiology and have led to the evolution of reef-building, but less is known about how symbiotic communities in early life-history stages and their interactions with host parental identity shape the structure of coral communities on reefs. Differentiating the roles of environmental and biological factors driving variation in population demographic processes, particularly larval settlement, early juvenile survival and the onset of symbiosis is key to understanding how coral communities are structured and to predicting how they are likely to respond to climate change. We show that maternal effects (that here include genetic and/or effects related to the maternal environment) can explain nearly 24% of variation in larval settlement success and 5–17% of variation in juvenile survival in an experimental study of the reef-building scleractinian coral, Acropora tenuis. After 25 days on the reef, Symbiodinium communities associated with juvenile corals differed significantly between high mortality and low mortality families based on estimates of taxonomic richness, composition and relative abundance of taxa. Our results highlight that maternal and familial effects significantly explain variation in juvenile survival and symbiont communities in a broadcast-spawning coral, with Symbiodinium type A3 possibly a critical symbiotic partner during this early life stage.
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影响因子：
3.5
作者：
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通讯作者：
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