气候变化领域集成服务门户(CCPortal): Designing river flows to improve food security futures in the Lower Mekong Basin

CCPortal

DOI	10.1126/science.aao1053
	Designing river flows to improve food security futures in the Lower Mekong Basin
	Sabo J.L.; Ruhi A.; Holtgrieve G.W.; Elliott V.; Arias M.E.; Ngor P.B.; Räsänen T.A.; Nam S.
发表日期	2017
ISSN	0036-8075
卷号	358 期号:6368
英文摘要	Rivers provide unrivaled opportunity for clean energy via hydropower, but little is known about the potential impact of dam-building on the food security these rivers provide. In tropical rivers, rainfall drives a periodic flood pulse fueling fish production and delivering nutrition to more than 150 million people worldwide. Hydropower will modulate this flood pulse, thereby threatening food security. We identified variance components of the Mekong River flood pulse that predict yield in one of the largest freshwater fisheries in the world. We used these variance components to design an algorithm for a managed hydrograph to explore future yields. This algorithm mimics attributes of discharge variance that drive fishery yield: prolonged low flows followed by a short flood pulse. Designed flows increased yield by a factor of 3.7 relative to historical hydrology. Managing desired components of discharge variance will lead to greater efficiency in the Lower Mekong Basin food system. © 2017, American Association for the Advancement of Science. All rights reserved.
英文关键词	fresh water; algorithm; food security; freshwater ecosystem; nutrition; river flow; yield; agriculture; Article; climate change; ecosystem; environmental planning; fish; fishery; flooding; food security; Fourier transformation; human; hydrography; hydrology; hydropower; nonhuman; priority journal; river basin; variance; water flow; algorithm; catering service; electric power plant; fishery; river; Southeast Asia; Mekong Basin; Algorithms; Fisheries; Food Supply; Mekong Valley; Power Plants; Rivers
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/245311
作者单位	Future H2O, Knowledge Enterprise Development, Arizona State University, Tempe, AZ 85287, United States; Julie Ann Wrigley Global Institute of Sustainability, Arizona State University, Tempe, AZ 85287, United States; Faculty of Ecology, Evolution and Environmental Science, School of Life Sciences, Arizona State University, Tempe, AZ 85287, United States; National Social Ecological Synthesis Center (SESYNC), University of Maryland, Annapolis, MD 21401, United States; School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98105, United States; Betty and, Gordon Moore Center for Science, Conservation International, Arlington, VA 22202, United States; Department of Civil and Environmental Engineering, University of South Florida, Tampa, FL 33620, United States; Mekong, River Commission Secretariat, Chak Angre Krom, Meanchey, Phnom Penh, Cambodia; Department of Built Environment, Aalto University, Aalto, 00076, Finland; CNRS, Université Toulouse III Paul Sabatier, ENFA, UMR5174 EDB...
推荐引用方式 GB/T 7714	Sabo J.L.,Ruhi A.,Holtgrieve G.W.,et al. Designing river flows to improve food security futures in the Lower Mekong Basin[J],2017,358(6368).
APA	Sabo J.L..,Ruhi A..,Holtgrieve G.W..,Elliott V..,Arias M.E..,...&Nam S..(2017).Designing river flows to improve food security futures in the Lower Mekong Basin.Science,358(6368).
MLA	Sabo J.L.,et al."Designing river flows to improve food security futures in the Lower Mekong Basin".Science 358.6368(2017).