Aspen Bibliography

Photosynthetic responses of aspen clones to simultaneous exposures of ozone and CO2

Document Type

Contribution to Book

Source

Air pollution and multiple stresses16th International meeting for specialists in air pollution effects on forest ecosystems

Volume

Canadian Journal of Forest Research. 1996 26(4)

First Page

639

Last Page

648

Publication Date

1996

Abstract

Current projections indicate steady increases in both tropospheric ozone and carbon dioxide well into the next century with concurrent increases in plant stress. Because information about effects of these interacting stresses on forest trees is limited, we have conducted ozone and carbon dioxide experiments using ozone-tolerant and ozone-sensitive trembling aspen clones. Aspen plants were grown either in pots or in the ground in open-top chambers. Plants in the square-wave study were exposed for a single growing season to charcoal-filtered air or to CFplus elevated carbon dioxide, ozone, .

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