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Evidence for potential impacts of ozone on Pinus cembra L. at mountain sites in Europe: An overview [An article from: Environmental Pollution]
Book Details
PublisherElsevier
ISBN / ASINB000RR7DDS
ISBN-13978B000RR7DD1
AvailabilityAvailable for download now
Sales Rank99,999,999
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Environmental Pollution, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
We summarize what is known about the impact of ozone (O"3) on Pinus cembra in the timberline ecotone of the central European Alps and the Carpathian Mountains. In the central European Alps exposure to ambient and two-fold ambient O"3 throughout one growing season did neither cause any visible injury nor affect the photosynthetic machinery and biochemical parameters in current to 1-year-old needles. By contrast, in the southern French Alps and in the Carpathians 1-year-old needles of Pinus cembra trees showed visual symptoms similar to those observed in O"3 stressed pine stands in southern California. For the southern French Alps the observed symptoms could clearly be attributed O"3 and differences in O"3 uptake seems to be the likely key factor for explaining the observed decline. For the Carpathians however, other reasons such as drought may not be excluded in eliciting the observed symptoms. Thus, the action of O"3 has always to be evaluated in concert with other environmental impacts, determining the tree's sensitivity to stress.
Description:
We summarize what is known about the impact of ozone (O"3) on Pinus cembra in the timberline ecotone of the central European Alps and the Carpathian Mountains. In the central European Alps exposure to ambient and two-fold ambient O"3 throughout one growing season did neither cause any visible injury nor affect the photosynthetic machinery and biochemical parameters in current to 1-year-old needles. By contrast, in the southern French Alps and in the Carpathians 1-year-old needles of Pinus cembra trees showed visual symptoms similar to those observed in O"3 stressed pine stands in southern California. For the southern French Alps the observed symptoms could clearly be attributed O"3 and differences in O"3 uptake seems to be the likely key factor for explaining the observed decline. For the Carpathians however, other reasons such as drought may not be excluded in eliciting the observed symptoms. Thus, the action of O"3 has always to be evaluated in concert with other environmental impacts, determining the tree's sensitivity to stress.
