气候变化领域集成服务门户(CCPortal): Safeguarding migratory fish via strategic planning of future small hydropower in Brazil

CCPortal

DOI	10.1038/s41893-020-00665-4
	Safeguarding migratory fish via strategic planning of future small hydropower in Brazil
	Couto T.B.A.; Messager M.L.; Olden J.D.
发表日期	2021
ISSN	2398-9629
起始页码	409
结束页码	416
卷号	4 期号:5
英文摘要	Small hydropower plants (SHPs) are proliferating globally, but their cumulative threat to blocking migratory fish and the fisheries that these fish sustain has been underappreciated when compared with large hydropower plants (LHPs). Here, we quantified the trade-offs between hydroelectric generation capacity and the impacts on river connectivity for thousands of current and projected future dams across Brazil. SHPs are the main source of river fragmentation, resulting in average connectivity losses of fourfold greater than LHPs. Fragmentation by SHPs is projected to increase by 21% in the future, and two-thirds of the 191 migratory species assessed occupy basins that will experience greater connectivity losses due to SHPs than LHPs. A Pareto frontier analysis identified future dam portfolios that could halve the number of hydropower plants that are required to deliver the same energy-generation capacity compared with the least-favourable solutions, while simultaneously resulting in lower river fragmentation and protecting numerous undammed basins. Our results highlight the need for strategic planning that considers the unprecedented growth and cumulative effects of SHPs. © 2021, The Author(s), under exclusive licence to Springer Nature Limited.
语种	英语
scopus关键词	Economic and social effects; Fish; Hydroelectric power; Rivers; Strategic planning; Connectivity loss; Cumulative effects; Energy generations; Hydroelectric generation; Hydropower plants; River fragmentations; Small hydro power; Small hydro-power plants; Hydroelectric power plants
来源期刊	Nature Sustainability
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/249797
作者单位	School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA, United States; Institute of Environment, Florida International University, Miami, FL, United States; Department of Geography, McGill University, Montreal, QC, Canada; UR RiverLy, Lyon-Villeurbanne Centre, National Research Institute for Agriculture, Food and Environment (INRAE), Villeurbanne, France
推荐引用方式 GB/T 7714	Couto T.B.A.,Messager M.L.,Olden J.D.. Safeguarding migratory fish via strategic planning of future small hydropower in Brazil[J],2021,4(5).
APA	Couto T.B.A.,Messager M.L.,&Olden J.D..(2021).Safeguarding migratory fish via strategic planning of future small hydropower in Brazil.Nature Sustainability,4(5).
MLA	Couto T.B.A.,et al."Safeguarding migratory fish via strategic planning of future small hydropower in Brazil".Nature Sustainability 4.5(2021).