Overview

Environmental Flows provides a synthesis of information on the quantity, timing and quality of water flows and regimes required to sustain freshwater and estuarine ecosystems and the human livelihoods and well-being that depend upon these ecosystems. How much water does each ecosystem type need? What happens when natural seasonal flow patterns or standing water regimes are radically altered by dams, hydropower generation or pumping to meet the needs of humans? Can damaged ecosystems be restored by the provision of environmental flows? How can human societies come to grips with the realities of climate change, less water for everyone, greater impacts on aquatic biodiversity and increasingly dysfunctional ecosystems? This book addresses these questions, describing each environmental flow method from the simplest hydrological formulae to ecosystem frameworks that seek to inform water management at multiple spatial scales. Implementation and monitoring are discussed as well as legislation and policy contexts. Arthington ends with an appeal to address the freshwater biodiversity crisis, and turn the third millennium into an era of transformation and restoration of Earth's natural resiliency and healing power for the benefit of ecosystems and people.

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9786613855664

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