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Phase III – Regional Survey. R = 0.69 P = 0.0008. DOC. DOC ( µ mol C L -1 ). % Wetland Area. Fish Hg Concentrations. Lake resurvey Fall 2005 – resurvey 26 lakes Lake Hg species, major chemistry Yellow perch Other biota (M. Twiss) Analysis Changes in Hg (1992-2005)
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R = 0.69 P = 0.0008 DOC DOC (µmol C L-1) % Wetland Area
Lake resurvey • Fall 2005 – resurvey 26 lakes • Lake Hg species, major chemistry • Yellow perch • Other biota (M. Twiss) • Analysis • Changes in Hg (1992-2005) • Watershed analysis • Select watersheds from resurvey results • Collect litterfall, throughfall, soil • MCM:HD application