Limiting motorboat noise on coral reefs boosts fish reproductive success.

Limiting motorboat noise on coral reefs boosts fish reproductive success.
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DOI:
10.1038/s41467-022-30332-5
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发表时间:
2022-05-20
影响因子:
16.6
通讯作者:
--
中科院分区:
综合性期刊1区
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--
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人为噪声影响在类群、生态系统和世界范围内普遍存在。在这里,我们通过实验检验了这样的假设:保护脆弱的栖息地免受噪音污染可以提高动物的繁殖成功率。通过对大堡礁已建立的模型系统进行长达一个季节的现场操作,我们证明,与经历繁忙摩托艇交通的珊瑚礁相比,限制珊瑚礁上的摩托艇活动可以导致更多鱼类后代的生存。一项补充实验室实验分离出了噪音的重要性,并与实地研究相结合,表明受保护的珊瑚礁繁殖成功率的提高可能是由于父母照顾和后代长度的改善。我们的研究结果表明,减少噪音可以通过增加成年人的繁殖产量和后代的生长来给人口带来好处,从而有助于保护珊瑚礁免受人类影响,并为增强生态系统的恢复力提供宝贵的机会。这项研究利用大堡礁上已建立的鱼类系统模型进行了整个季节的现场操作,表明与经历繁忙摩托艇交通的珊瑚礁相比,限制珊瑚礁上的摩托艇活动可以导致更多鱼类后代更快的生长和存活。因此,减轻和消除噪音可以为增强生态系统的恢复力提供宝贵的机会。
Anthropogenic noise impacts are pervasive across taxa, ecosystems and the world. Here, we experimentally test the hypothesis that protecting vulnerable habitats from noise pollution can improve animal reproductive success. Using a season-long field manipulation with an established model system on the Great Barrier Reef, we demonstrate that limiting motorboat activity on reefs leads to the survival of more fish offspring compared to reefs experiencing busy motorboat traffic. A complementary laboratory experiment isolated the importance of noise and, in combination with the field study, showed that the enhanced reproductive success on protected reefs is likely due to improvements in parental care and offspring length. Our results suggest noise mitigation could have benefits that carry through to the population-level by increasing adult reproductive output and offspring growth, thus helping to protect coral reefs from human impacts and presenting a valuable opportunity for enhancing ecosystem resilience. Using a season-long field manipulation with an established model fish system on the Great Barrier Reef, this study demonstrates that limiting motorboat activity on reefs leads to faster growth and survival of more fish offspring compared to reefs experiencing busy motorboat traffic. Noise mitigation and abatement could therefore present a valuable opportunity for enhancing ecosystem resilience.
鱼类的听觉诱发电位测听。
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