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Fluoride transport in terrestrial ecosystems around industrial areas

Murray, F. (1986) Fluoride transport in terrestrial ecosystems around industrial areas. Studies in Environmental Science, 27 . pp. 91-97.

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A Eucalyptus-dominated forest ecosystem and an Avicenniamarina-dominated mangrove forest ecosystem around fluoride emission sources in New South Wales, Australia, have been subject to continuous fluoride input since about 1970. Studies of the effects of fluoride emissions on the ecology of these ecosystems have shown that trees believed to be fluoride-sensitive demonstrated changes in metabolism, and fluoride-sensitive trees and shrubs in areas with high fluoride input died. Fluoride concentrations increased in a number of ecosystem components. Important transfer processes of throughfall and stemflow, were responsible for significant fluoride fluxes. Three zones could be defined in areas subject to high fluoride input and are characterized by the following:

1. Major effects resulting in visible injury and loss of sensitive exposed species from the ecosystem.

2. Subtle effects demonstrated by changes in plant metabolism with potential effects on growth, reproduction and disease resistance of sensitive species. At an ecosystem level, there may be long-term changes in species composition, diversity, biomass and nutrient cycling.

3. Innocuous effects characterized by the ecosystem acting as a sink for fluoride.

Publication Type: Journal Article
Publisher: Elsevier B.V.
Copyright: © 1986 Elsevier B.V.
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