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Effects of forest harvesting best management practices on surface water quality in the Virginia coastal plain

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dc.contributor.authorThompson, Theresa M.en
dc.contributor.authorMostaghimi, Saieden
dc.contributor.authorFrazee, J. W.en
dc.contributor.authorMcClellan, P. W.en
dc.contributor.authorShaffer, R. M.en
dc.contributor.authorAust, W. Michaelen
dc.contributor.departmentBiological Systems Engineeringen
dc.contributor.departmentForest Resources and Environmental Conservationen
dc.coverage.countryUnited Statesen
dc.coverage.stateVirginiaen
dc.date.accessed2014-05-29en
dc.date.accessioned2014-05-30T13:13:50Zen
dc.date.available2014-05-30T13:13:50Zen
dc.date.issued2000en
dc.description.abstractThree small watersheds located in Westmoreland County, Virginia, were monitored to evaluate the impact of forest clearcutting on surface water quality and to evaluate the effectiveness of forestry best management practices (BMPs) for minimizing hydrologic and water quality impacts associated with timber harvesting. One watershed (7.9 ha) was clearcut without implementation of BMPs, one watershed (8.5 ha) was clearcut with the implementation of BMPs and a third watershed (9.8 ha) was left undisturbed as a control Forest clearcutting without BMP implementation reduced storm runoff volume and did not significantly change peak flow rates. Following site preparation, both storm flow volumes and peak flow rates decreased significantly. For the watershed with BMP implementation, storm flow volume decreased significantly following harvest, while peakflow increased. Site preparation did not change storm flow volumes over post-harvest conditions, bur did significantly reduce storm peak flow rates. Disruptions in subsurface flow pathways during harvest or rapid growth of understory vegetation following harvest could have caused these hydrologic changes. Harvest and site preparation activities significantly increased the loss of sediment and nutrients during storm events, Storm event concentrations and loadings of sediment, nitrogen, and phosphorus increased significantly following forest clearcutting and site preparation of the No-BMP watershed. Both the BMP watershed and the Control watershed showed few changes in pollutant storm concentrations or loadings throughout the study. Results of this study indicate forest clearcutting and site preparation without BMPs can cause significant increases in sediment and nutrient concentrations and loadings in the Virginia Coastal Plain. However these impacts can be greatly reduced by implementing a system of BMPs on the watershed during harvesting activities.en
dc.description.sponsorshipVirginia Forestry Association, Richmond, Virginiaen
dc.description.sponsorshipVirginia Department of Conservation and Recreation, Division of Soil and Water Conservation, Richmond, Virginiaen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationWynn, T. M.; Mostaghimi, S.; Frazee, J. W.; McClellan, P. W.; Shaffer, R. M.; Aust, W. M., "Effects of forest harvesting best management practices on surface water quality in the Virginia coastal plain," Transactions of the ASAE. VOL. 43(4): 927-936. (doi: 10.13031/2013.2989) @2000en
dc.identifier.doihttps://doi.org/10.13031/2013.2989en
dc.identifier.issn0001-2351en
dc.identifier.urihttp://hdl.handle.net/10919/48216en
dc.identifier.urlhttp://elibrary.asabe.org/abstract.asp?aid=2989&t=3&dabs=Y&redir=&redirType=en
dc.language.isoenen
dc.publisherAmerican Society of Agricultural and Biological Engineersen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectBest management practicesen
dc.subjectNonpoint source pollutionen
dc.subjectForestryen
dc.subjectSedimenten
dc.subjectNutrientsen
dc.subjectWater qualityen
dc.subjectSite-preparationen
dc.subjectNutrient exporten
dc.subjectLoblolly-pineen
dc.subjectSedimenten
dc.subjectRunoffen
dc.subjectAgricultural engineeringen
dc.titleEffects of forest harvesting best management practices on surface water quality in the Virginia coastal plainen
dc.title.serialTransactions of the ASAEen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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