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The Effect of Fluorine-Containing Emissions on Conifers (Paperback, Softcover reprint of the original 1st ed. 1993)
Loot Price: R2,748
Discovery Miles 27 480
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The Effect of Fluorine-Containing Emissions on Conifers (Paperback, Softcover reprint of the original 1st ed. 1993)
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Donate to Against Period Poverty
Total price: R2,758
Discovery Miles: 27 580
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Preservation of nature and the environment has become one of the
most important issues of the end of the twentieth century. It has
become evident that the methods used for industrial and
agricultural production in many countries produce pollutants that
cannot undergo natural neutralization by entering the atmosphere,
soil or water. Ecosystems that have been developing for centuries
are undergoing degradation and what is even more regrettable is
that there is an actual threat of profound disorder in the
biosphere which could lead to heavy and irreversible changes.
Fluorine derivatives are the most aggressive among toxic compounds
polluting the atmosphere. Moreover, the percentage of fluorides in
industrial emissions is constantly increasing with the bulk of
fluorides being emitted by aluminium smelters. Fluorine is poorly
detoxified by both plants and animals and the accumulation of even
relatively low concentrations over a long period causes a
cumulative toxic effect. Among woody plants conifers are less
resistant to fluorine. Fluorine derivatives as phytopollutants have
been studied less than sulphur compounds, nitrogen oxides, chlorine
and hydrogen chloride. It was not until the late 1960s when there
was a rapid decline of coniferous forests that researchers directed
their attention towards phyto toxic properties of fluorides."
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