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Solutes in overland flow following fire in eucalyptus and pine forests, northern Portugal

2000; Wiley; Volume: 14; Issue: 5 Linguagem: Inglês

10.1002/(sici)1099-1085(20000415)14

1099-1085

Andrew D. Thomas, R. P. D. Walsh, Richard A. Shakesby,

Soil and Water Nutrient Dynamics

Hydrological ProcessesVolume 14, Issue 5 p. 971-985 Research Article Solutes in overland flow following fire in eucalyptus and pine forests, northern Portugal Andrew D. Thomas, Corresponding Author Andrew D. Thomas [email protected] Telford Institute of Environmental Systems (TIES), Division of Geography, University of Salford, Greater Manchester, M5 4WT, EnglandDivision of Geography, University of Salford, Greater Manchester, M5 4WT, England.===Search for more papers by this authorRory P. D. Walsh, Rory P. D. Walsh Department of Geography, University of Wales Swansea, Singleton Park, Swansea, SA2 8PP, WalesSearch for more papers by this authorRichard A. Shakesby, Richard A. Shakesby Department of Geography, University of Wales Swansea, Singleton Park, Swansea, SA2 8PP, WalesSearch for more papers by this author Andrew D. Thomas, Corresponding Author Andrew D. Thomas [email protected] Telford Institute of Environmental Systems (TIES), Division of Geography, University of Salford, Greater Manchester, M5 4WT, EnglandDivision of Geography, University of Salford, Greater Manchester, M5 4WT, England.===Search for more papers by this authorRory P. D. Walsh, Rory P. D. Walsh Department of Geography, University of Wales Swansea, Singleton Park, Swansea, SA2 8PP, WalesSearch for more papers by this authorRichard A. Shakesby, Richard A. Shakesby Department of Geography, University of Wales Swansea, Singleton Park, Swansea, SA2 8PP, WalesSearch for more papers by this author First published: 21 March 2000 https://doi.org/10.1002/(SICI)1099-1085(20000415)14:5 3.0.CO;2-JCitations: 25AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Abstract Small bounded plots were used to investigate dissolved nutrient losses in overland flow in eucalyptus and pine forests in northern Portugal following understorey fires. Losses of NON, POCa2+, Mg2+ and K+ were measured over 19 months during the first 2–3 years after fire. Solute losses in overland flow increased after fire in eucalyptus and pine terrain due to the mineralization of litter and vegetation and increased overland flow. The data suggest that (i) elevated losses persist for at least 2 and 3 years at the pine and eucalyptus sites respectively and (ii) soluble losses of POK+ in a post-fire cycle may exceed those adsorbed to eroded material. Losses of POalthough relatively small, are potentially the most detrimental to soil fertility and forest productivity because of the limited opportunity for P replenishment and correspondingly high P losses adsorbed to eroded sediment. Copyright © 2000 John Wiley & Sons, Ltd. REFERENCES Alberts EE, Schuman GE, Burwell RE. 1978. Seasonal runoff losses of nitrogen and phosphorus from Missouri Valley Loess Watersheds. Journal of Environmental Quality, 7: 203– 208. Belillas CM, Rodà F. 1993. 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