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Effects of Atmospheric Pollutants on Forests, Wetlands and Agricultural Ecosystems (Paperback, Softcover reprint of the original 1st ed. 1987)
Loot Price: R3,107
Discovery Miles 31 070
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Effects of Atmospheric Pollutants on Forests, Wetlands and Agricultural Ecosystems (Paperback, Softcover reprint of the original 1st ed. 1987)
Series: Nato ASI Subseries G:, 16
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Total price: R3,127
Discovery Miles: 31 270
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T. C. Hutchinson The NATO Advanced Research Workshop detailed in
this volume was held in Toronto, Canada, in 1985. The purpose of
the Workshop was to provide a "state of the art" report on our
knowledge of the sensitivities and responses of forests, wetlands
and crops to airborne pollutants. Approximately 40 scientific
experts from nine countries participated. Most participants were
actively involved in research concerning the effects of air
pollutants on natural or agro-ecosystems. These pollutants included
acidic deposition, heavy metal particulates, sulphur dioxide,
ozone, nitrogen oxides, acid fogs and mixtures of these. Also
invited were experts on various types of ecosystem stresses,
physiologi cal mechanisms pertinent to acid deposition, and other
areas that were felt by the director to be of direct relevance,
including: effects of ethylene on vegetation, the physiology of
drought in trees, the nature and role of plant cuticles as barriers
to acid rain penetration, the use of dendrochronological techniques
in reconstructing the time of onset and the subsequent progression
of growth declines, the ability of soils to naturally generate
acidity, the role of Sphagnum moss in natural peat land acidity,
the use of lichens as indicators of changing air quality, and the
magnitude of natural emissions of reduced sulphur gases from
tropical rainforests and temperate deciduous forests. The Workshop
included a series of invited presentations and subsequent group
discussions. These presentations were designed to allow syntheses
of our present knowledge as well as detailed questioning and
discussion."
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