River Damming Impacts on Fish Habitat and Associated Conservation Measures

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Reviews of Geophysics Pub Date : 2023-12-19 DOI:10.1029/2023RG000819
Qiuwen Chen, Qinyuan Li, Yuqing Lin, Jianyun Zhang, Jun Xia, Jinren Ni, Steven J. Cooke, Jim Best, Shufeng He, Tao Feng, Yuchen Chen, Daniele Tonina, Rohan Benjankar, Sebastian Birk, Ayan Santos Fleischmann, Hanlu Yan, Lei Tang
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Abstract

River damming has brought great benefits to flood mitigation, energy and food production, and will continue to play a significant role in global energy supply, particularly in Asia, Africa, and South America. However, dams have extensively altered global river dynamics, including riverine connectivity, hydrological, thermal, sediment and solute regimes, and the channel morphology. These alterations have detrimental effects on the quality and quantity of fish habitat and associated impacts on aquatic life. Indeed, dams have been implicated in the decline of numerous fishes, emphasizing the need for effective conservation measures. Here, we present a global synthesis of critical issues concerning the impacts of river damming on physical fish habitats, with a particular focus on key fish species across continents. We also consider current fish conservation measures and their applicability in different contexts. Finally, we identify future research needs. The information presented herein will help support sustainable dam operation under the constraints of future climate change and human needs.

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河流大坝对鱼类栖息地的影响及相关保护措施
拦河筑坝为减轻洪灾、能源和粮食生产带来了巨大好处,并将继续在全球能源供应中发挥重要作用,尤其是在亚洲、非洲和南美洲。然而,大坝广泛地改变了全球河流的动态,包括河流的连通性、水文、热、沉积物和溶质系统以及河道形态。这些改变对鱼类栖息地的质量和数量产生了有害影响,并对水生生物产生了相关影响。事实上,水坝与许多鱼类的减少有牵连,因此需要采取有效的保护措施。在此,我们对河流筑坝对鱼类自然栖息地影响的关键问题进行了全球综述,并特别关注各大洲的主要鱼类物种。我们还考虑了当前的鱼类保护措施及其在不同情况下的适用性。最后,我们确定了未来的研究需求。本文介绍的信息将有助于在未来气候变化和人类需求的限制下支持大坝的可持续运行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Reviews of Geophysics
Reviews of Geophysics 地学-地球化学与地球物理
CiteScore
50.30
自引率
0.80%
发文量
28
审稿时长
12 months
期刊介绍: Geophysics Reviews (ROG) offers comprehensive overviews and syntheses of current research across various domains of the Earth and space sciences. Our goal is to present accessible and engaging reviews that cater to the diverse AGU community. While authorship is typically by invitation, we warmly encourage readers and potential authors to share their suggestions with our editors.
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