Effects of SO2, NO2, and O3 on population development and morphological and physiological parameters of native herb layer species in a beech forest.
作者： L. Steubing , A. Fangmeier , R. Both , M. Frankenfeld
DOI: 10.1016/0269-7491(89)90140-1
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摘要: The native ground vegetation of a beech forest was fumigated with moderate doses SO(2), NO(2), and O(3) in open-top chambers. effects fumigants on growth above-ground development were dependent species. treatments caused early senescence several the species present. epicuticular waxes attacked by fumigation, which shown higher wettability leaf surfaces leaching ions. Interspecific differences observed responses transpiration photosynthesis to fumigation. Similar patterns photosynthesis, however, found same Carbohydrate metabolism altered leading starch accumulation leaves. Besides plants, fumigations also resulted alterations soil microflora. bacteria/fungi ratio depressed at fumigation plots.
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