Direct Effects of Air Pollution on Physiology of Forest Trees in the Western United States

Bytnerowicz, A. . Pacific Southwest Research Station

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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Ключевые слова АГРОВОК

air pollution anabolism anabolisme anabolismo arbre forestier coniferales estados del oeste (eua) forest trees ozone ozono pigment pigmentos pigments western states (usa)

Библиографическая информация

Опубликовано в

World Series (IUFRO)

Выпуск 4 ISSN 1016-3263

Издатель

IUFRO

Нумерация страниц

132 p.

Другие темы

Arboles forestales; Coniferale; Etats de l'ouest (eu); Pollution atmospherique; Polucion del aire

Язык

Английский

Примечание

Summary (En)

p. 38, 5 ref.

Тип

Summary; Non-Conventional

Источник

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

В АГРИСе с: 1998-08-15

Формат: AGRIS AP

Поставщик данных

Эту запись предоставил International Union of Forestry Research Organizations

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