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This book exposes how water flow links nature and society through water's many parallel functions as the 'blood stream' of both the biosphere and the imbedded anthroposphere, and the resulting conflicts that arise. The authors argue that a sustainable future depends fundamentally on our ability to manage these trade-offs.
They advocate an ecological approach to land/water/environmental problems and argue for viewing precipitation as the gross water resource. Distinguishing between terrestrial aquatic ecosystems they show how an ecological approach can be expressed in water-related trade-offs, incorporating criteria for long-term resilience.
Based on per capita needs for an acceptable nutritional diet, the authors analyze the amounts of water needed for global food production by 2050 and identify potential sources. Drawing on small-scale experiences in Africa and Asia, they also cover the vulnerability of the semi-arid tropics, disentangling it into green and blue water scarcity components.
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Johan Rockström is Associate Professor in Natural Resources Management and Water Resources Expert at UNESCO-IHE Institute for Water Education, The Netherlands.Review:
"Falkenmark (Stockhold International Water Inst.) and Rockstrom (UNESCO-IHE Inst. For Water Education, The Netherlands) have written an excellent book that bridges hydrology and ecology. The authors advocate an ecohydrological approach to water management based on the principle that rainfall, not runoff, constitutes the basic freshwater resource. The strong links between soil, water, plants, and the atmosphere are evident when rainfall is partitioned 'green' water vapor flow from evaporation and transpiration and 'blue' liquid water flow in rivers, lakes, and aquifers. With proper management, green water needs for producing food and maintaining natural biomass growth may be reduced, thereby securing more blue water for sustaining ecosystems and human activities. This book focuses on four areas: water supply to humans and industry, water in the plant production process, water as an active participant in generating environmental impacts from human activities, and water's implication in times of drought. The fundamental issue addressed by the authors is the socioecohydrological balance between the beneficial use of water for goods and services (e.g., food, fiber, energy and the protection and sustenance of essential ecosystem functions. This well-written, informative book makes a valuable contribution to the water management literature. Summing Up: Highly recommended. All levels, especially ecologists and hydrologists."--M. J. Zwolinski, University of Arizona in CHOICE
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Book Description Earthscan Publications Ltd., 2004. Condition: New. book. Seller Inventory # M1853839264