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OLS Field Name OLS Field Data
Main Title Ozone and Natural Systems: Understanding Exposure, Response, and Risk.
Author Laurence, J. A. ; Thompson, B. ; Andersen, C. P. ;
CORP Author National Health and Environmental Effects Research Lab., Corvallis, OR. Western Ecology Div.
Publisher 10 Apr 2001
Year Published 2001
Report Number EPA/600/A-01/048;
Stock Number PB2001-107713
Additional Subjects Natural systems ; Ozone ; Air pollution effects ; Exposure ; Responses ; Risks ; Ecosystems ; Extrapolation ; Terrestrial ecosystems ; Assessment endpoints
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NTIS  PB2001-107713 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 10/17/2002
Collation 24p
Abstract Research aimed at understanding the response of plants to ozone has been conducted for over four decades but little of it has addressed intact natural systems. Even so, there is sufficient scientific information at this time to support air quality standards that will protect natural terrestrial ecosystems from ozone. What is unknown is the risk associated with continued exposure of natural systems, including both above-and below-ground components, in combination with other stresses including changing temperature and precipitation, elevated carbon dioxide, pests and pathogens, invasive species, and other activities that may fragment the landscape. Research to support an assessment of the ecological risk associated with ozone as it exists, in a milieu of stresses, must include endpoints beyond those addressed in the past, primarily productivity and species composition. To estimate the risk to society of ozone impacts on natural systems, endpoints such at the integrity of soil food webs, the quantity and quality of water supplied from terrestrial ecosystems, wildlife and recreational values, and the transfer and fate of carbon, nutrients, and water within the systems must be quantified. Not only will this research provide the basis for a sound estimate of risk, but also it will improve our understanding of fundamental ecosystem processes.
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NTIS Title Notes Book chapter.
Category Codes 68A; 57C; 57H
NTIS Prices PC A03/MF A01
Primary Description 100/00
Document Type NT
Cataloging Source NTIS/MT
Control Number 028203990
Origin NTIS
Type CAT