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Environmental FlowsSaving Rivers in the Third Millennium$
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Angela H. Arthington

Print publication date: 2012

Print ISBN-13: 9780520273696

Published to California Scholarship Online: May 2013

DOI: 10.1525/california/9780520273696.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 28 October 2021

River Values and Threats

River Values and Threats

(p.1) 1 River Values and Threats
Environmental Flows

Angela H. Arthington

University of California Press

Escalating human demands for fresh water are jeopardising the intrinsic biodiversity values, ecological health, and vital ecosystem services of the rivers, wetlands, and estuaries upon which millions of humans depend for water, food, and secure housing, as well as for quality of life, health, and prosperity. Climate change exacerbates these pressures by affecting the global water cycle, freshwater availability, and the ecological health of aquatic ecosystems. Restoration of biodiversity, ecosystem function, and resiliency is a global imperative for water managers, scientists, and civil society. This chapter introduces the main argument of the book, which is that to sustain freshwater and estuarine ecosystems the natural volumes and variability patterns of standing and flowing water must be maintained through provision of “environmental flows.”

Keywords:   fresh water, rivers, estuaries, biodiversity, ecological health, ecosystem services, environmental flows, restoration

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