Metals in northern forest ecosystems: Role of the vegetation in sequestrian and cycling, and implications for ecological risk assessment Human and Ecological Risk Assessment | June 1, 2003| | Copyright CRC Press Jun 2003. Provided by ProQuest LLC. (Hide copyright information) Copyright

ABSTRACT

Mass estimates of phytoaccumulated trace metal contaminants and transfers to soils are necessary to properly evaluate the impact of historic and continued anthropogenic metal deposition to northern forest ecosystems. An investigation of Cu, Ni, Pb, and Zn mass balances in plant communities subject to metal contamination from smelter emissions in Canada, found that accumulation of metals differed significantly among plant vegetation compartments (foliage, fine roots, bark, trunk, and branches). Analysis of plant community biological accumulation factors (BAFs), calculated using total ...

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