Land use: catchment management

Melland, A. R. and Jordan, P. and Murphy, P. N. C. and Mellander, P. -E. and Buckley, C. and Shortle, G. (2014) Land use: catchment management. In: Encyclopedia of agriculture and food systems, 2nd ed. Elsevier (Academic Press), San Diego, CA. United States, pp. 98-113. ISBN 978-0-444-52512-3

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Abstract

Freshwater is a scarce and valuable resource (FAO, 2011).
Conservation and equitable distribution of freshwater is
therefore critical to sustaining ecosystem services and global food production (Rockstrom et al., 2009). Agriculture uses 70% of global freshwater and so optimizing water use through advanced irrigation, farm, and food processing systems is paramount to meeting the globally increasing demands for food, particularly in the face of a changing climate. With the quantity of freshwater available, all human activities affect the quality of freshwater resources, and degradation of water quality in turn increases the scarcity of freshwater (Peters and
Meybeck, 2000). Impaired water quality also limits ecosystem
services, and human welfare and livelihood (Ongley, 1996;
FAO, 2011). Poor water quality can cause loss of aquatic and
riparian biodiversity, ecosystem stability and recreation value, poor human health (e.g., due to unsanitary drinking water and toxins from harmful algal blooms), physical disruption to water supply systems, shellfish contamination, fish kills, and reduced aquaculture production (Carpenter et al., 1998; Schindler, 2006; Withers and Haygarth, 2007; Kay et al., 2009).


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Item Type: Book Chapter (Commonwealth Reporting Category B)
Refereed: Yes
Item Status: Live Archive
Additional Information: © 2014 Elsevier Inc. Permanent restricted access to published version due to publisher copyright policy.
Faculty / Department / School: Current - USQ Other
Date Deposited: 07 May 2015 01:47
Last Modified: 30 Aug 2017 02:20
Uncontrolled Keywords: freshwater resources; water quality
Fields of Research : 04 Earth Sciences > 0406 Physical Geography and Environmental Geoscience > 040608 Surfacewater Hydrology
09 Engineering > 0905 Civil Engineering > 090508 Water Quality Engineering
07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070101 Agricultural Land Management
Socio-Economic Objective: D Environment > 96 Environment > 9609 Land and Water Management > 960905 Farmland, Arable Cropland and Permanent Cropland Water Management
D Environment > 96 Environment > 9609 Land and Water Management > 960904 Farmland, Arable Cropland and Permanent Cropland Land Management
Identification Number or DOI: 10.1016/B978-0-444-52512-3.00077-2
URI: http://eprints.usq.edu.au/id/eprint/26650

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