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dc.contributor.authorJones, Christina Michelleen_US
dc.date.accessioned2014-07-22T18:48:38Z
dc.date.available2014-07-22T18:48:38Z
dc.date.created2012en_US
dc.date.issued2012en_US
dc.identifierTCU Master Thesisen_US
dc.identifieretd-05042012-130333en_US
dc.identifierumi-10299en_US
dc.identifiercat-001821249en_US
dc.identifier.urihttps://repository.tcu.edu:443/handle/116099117/4405
dc.descriptionTitle from thesis title page (viewed May. 8, 2012).en_US
dc.descriptionIncludes abstract.en_US
dc.descriptionThesis--Texas Christian University, 2012.en_US
dc.descriptionDepartment of Environmental Science; advisor, Ray W. Drenner.en_US
dc.descriptionIncludes bibliographical references.en_US
dc.descriptionText (electronic thesis) in PDF.en_US
dc.description.abstractMercury (Hg) is a toxic metal that is found in aquatic food webs and is hazardous to humans. An emerging conceptual model predicts areas with the potential to contain food webs with elevated concentrations of Hg receive high amounts of Hg and sulfate deposition, have high coverage of forests and wetlands and low coverage of agriculture. The objective of this study was to test this conceptual model using concentrations of Hg in fish in the south central United States. Coverage by evergreen forests explained 73 percent of the variance of average mercury concentrations in the 14 ecoregions. Over 70% of the water bodies in ecoregions with evergreen forest coverage of 20% or greater have Hg concentrations in largemouth bass above the EPA criterion level of 300 ng/g. Evergreen forests in states in the southern ecoregions may constitute a significant hazard to human health through increased exposure to Hg from fish.en_US
dc.format.mediumFormat: Onlineen_US
dc.publisher[Fort Worth, Tex.] : Texas Christian University,en_US
dc.relation.ispartofUMI thesis.en_US
dc.relation.requiresMode of access: World Wide Web.en_US
dc.relation.requiresSystem requirements: Adobe Acrobat reader.en_US
dc.titleSpatial patterns of mercury contamination of fish in the south central United States [electronic resource] /en_US
dc.typeTexten_US
etd.degree.departmentDepartment of Environmental Science
etd.degree.levelMaster
local.academicunitSchool of Geology, Energy and the Environment
local.subjectareaEnvironmental Sciences


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