变形:海洋酸化简化了珊瑚礁的结构,重新调整了鱼类的组合。

IF 3.5 1区 环境科学与生态学 Q1 ECOLOGY
Jamie Priest, Camilo M. Ferreira, Philip L. Munday, Amelia Roberts, Riccardo Rodolfo-Metalpa, Jodie L. Rummer, Celia Schunter, Timothy Ravasi, Ivan Nagelkerken
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引用次数: 0

摘要

气候变化压力因素正在逐步简化陆地和海洋领域的生物栖息地,从而改变相关物种群落的结构。在这里,我们利用巴布亚新几内亚的一个火山二氧化碳渗漏点,现场测试海洋酸化是否会改变珊瑚礁的结构,从而重新组合相关鱼类。我们在渗漏处观察到大块珊瑚取代了分枝珊瑚,简化的珊瑚结构复杂性导致与分枝珊瑚相关的豆娘鱼群的丰度下降了60%到86%。对一个重点物种的生境偏好进行的实验测试表明,酸化并不直接影响生境选择行为,因此,生境结构复杂性的变化似乎是生物群重新洗牌的更大驱动力。无论海洋酸化与否,栖息地的健康状况都会影响鱼类的反捕食行为,相对于活枝珊瑚而言,P. moluccensis在死枝珊瑚上的捕食行为变得更加大胆。我们的结论是,珊瑚礁鱼群对pCO2升高引起的栖息地结构变化的敏感性可能高于对行为的直接影响,这表明珊瑚结构和活体覆盖的变化可能是未来海洋中珊瑚礁鱼群结构的重要媒介。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Out of shape: Ocean acidification simplifies coral reef architecture and reshuffles fish assemblages

Out of shape: Ocean acidification simplifies coral reef architecture and reshuffles fish assemblages

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来源期刊
Journal of Animal Ecology
Journal of Animal Ecology 环境科学-动物学
CiteScore
9.10
自引率
4.20%
发文量
188
审稿时长
3 months
期刊介绍: Journal of Animal Ecology publishes the best original research on all aspects of animal ecology, ranging from the molecular to the ecosystem level. These may be field, laboratory and theoretical studies utilising terrestrial, freshwater or marine systems.
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