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Balancing Water for Humans and Nature - the new approach in ecohydrology
Edited by Malin Falkenmark and Johan Rockstrom
Earthscan
July 2004
Hardback 320 pages; figures, tables, index ISBN 9781853839269
£75.00
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Paperback 320 pages; figures, tables, index ISBN 9781853839276
£23.00
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This work exposes how water flow links nature and society through water's many parallel functions as
the "blood stream" of both the natural environment and the embedded human environment -
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 analyse 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.
Contents
- Part 1 Water functions in the life-support system: the blood stream of the biosphere
- water availability
- human water requirements
- incorporating water for ecosystem "services"
- regional differences.
- Part 2 Closing up on the vulnerable Savanna zone: vulnerability to the Savanna zone
- water perspective of feeding humanity € closing the yield gap on the Savanna.
- Part 3 Finding the balance between water for humans and for nature: towards hydro-solidarity through
integrated land/water ecosystem management.
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