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WESTERN FORESTS AND AIR POLLUTION
Citation:
Olson, R., D. Binkley, AND M. Bohm. WESTERN FORESTS AND AIR POLLUTION. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-92/140 (NTIS PB92198209).
Description:
This book addresses the relationships between air pollution in western United States and trends in the growth and condition of Western coniferous forests. he major atmospheric pollutants to which forest in this region are exposed are sulfur and nitrogen compounds and ozone. The potential effects of atmospheric pollution on these forests include foliar injury, alteration of growth rates and patterns, soil acidification, shifts in species composition, and modification of the effects of natural stresses. Assessing the impact of air pollution on a forest is a difficult process. ime and monetary constraints preclude measuring all but a few of the possible indicators of effects. he science of evaluating air pollution effects on forests, especially the application of dendrochronological techniques to this task, is still developing. Investigators have different ideas on how to proceed. t is interesting and instructive to compare the different approaches to similar problems which are presented in this book.
