Direct Effects of Air Pollution on Physiology of Forest Trees in the Western United States
1993
Bytnerowicz, A. (USDA Forest Service, Riverside, CA (USA). Pacific Southwest Research Station)
Physiological processes of western trees are effected by ozone at concentration over 80 ppb, depending on the duration of the exposures and environmental conditions. At a single fascicle level short-term ozone exposures can cause reduction, no change or increase of stomatal conductance and net assimilation rate. Two seasons of exposures at twice level ozone concentrations caused a significant reduction of stomatal conductance and pigment concentrations in foliage.
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书目信息
World Series (IUFRO)
期
4
ISSN
1016-3263
出版者
IUFRO
页码
132 p.
其它主题
Pollution atmospherique; Arboles forestales; Polucion del aire; Coniferale; Etats de l'ouest (eu)
语言
英语
注释
Summary (En)
p. 38, 5 ref.
类型
Summary; Non-Conventional
来源
Long-term Implications of Climate Change and Air Pollution on Forest Ecosystems, Schlaepfer, R. (Swiss Federal Institute for Forest, Snow and Landscape, Birmensdorf (Switzerland)) (ed.).- Vienna (Austria): IUFRO, 1993.- ISBN 3 7040 1165 7
1998-08-15
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