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https://hdl.handle.net/2440/34290
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DC Field | Value | Language |
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dc.contributor.author | Dougherty, W. | - |
dc.contributor.author | Fleming, N. | - |
dc.contributor.author | Cox, J. | - |
dc.contributor.author | Chittleborough, D. | - |
dc.date.issued | 2004 | - |
dc.identifier.citation | Journal of Environmental Quality, 2004; 33(6):1973-1988 | - |
dc.identifier.issn | 0047-2425 | - |
dc.identifier.issn | 1537-2537 | - |
dc.identifier.uri | http://hdl.handle.net/2440/34290 | - |
dc.description | © ASA, CSSA, SSSA | - |
dc.description.abstract | Phosphorus transfer in runoff from intensive pasture systems has been extensively researched at a range of scales. However, integration of data from the range of scales has been limited. This paper presents a conceptual model of P transfer that incorporates landscape effects and reviews the research relating to P transfer at a range of scales in light of this model. The contribution of inorganic P sources to P transfer is relatively well understood, but the contribution of organic P to P transfer is still relatively poorly defined. Phosphorus transfer has been studied at laboratory, profile, plot, field, and watershed scales. The majority of research investigating the processes of P transfer (as distinct from merely quantifying P transfer) has been undertaken at the plot scale. However, there is a growing need to integrate data gathered at a range of scales so that more effective strategies to reduce P transfer can be identified. This has been hindered by the lack of a clear conceptual framework to describe differences in the processes of P transfer at the various scales. The interaction of hydrological (transport) factors with P source factors, and their relationship to scale, require further examination. Runoff-generating areas are highly variable, both temporally and spatially. Improvement in the understanding and identification of these areas will contribute to increased effectiveness of strategies aimed at reducing P transfers in runoff. A thorough consideration of scale effects using the conceptual model of P transfer outlined in this paper will facilitate the development of improved strategies for reducing P losses in runoff. | - |
dc.description.statementofresponsibility | Warwick J. Dougherty, Nigel K. Fleming, Jim W. Cox, and David J. Chittleborough | - |
dc.language.iso | en | - |
dc.publisher | Amer Soc Agronomy | - |
dc.source.uri | http://jeq.scijournals.org/cgi/content/abstract/33/6/1973 | - |
dc.subject | Animals | - |
dc.subject | Animals, Domestic | - |
dc.subject | Plants, Edible | - |
dc.subject | Phosphorus | - |
dc.subject | Polymethyl Methacrylate | - |
dc.subject | Water Pollutants | - |
dc.subject | Water Movements | - |
dc.subject | Water Pollution | - |
dc.subject | Models, Theoretical | - |
dc.subject | Animal Husbandry | - |
dc.title | Phosphorus transfer in surface runoff from intensive pasture systems at various scales: a review | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.2134/jeq2004.1973 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest Earth and Environmental Sciences publications Environment Institute publications |
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