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Permanent link (DOI): https://doi.org/10.7939/R3ZC7RX9J

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Interim report on physiology and mechanisms of air-borne pollutant injury to vegetation, 1975 to 1978 Open Access

Descriptions

Author or creator
Malhotra, S. S.
Additional contributors
Subject/Keyword
Oil Sands
Tarsands
Air Quality
SO2
Alberta
Oilsands
AOSERP
Tar Sands
Type of item
Report
Language
English
Place
Canada, Alberta, Fort McMurray
Time
Description
Biochemical studies conducted under controlled conditions suggested that low concentrations of SO2 which normally do not produce any visual symptoms on the foliage cause injury to forest vegetation by altering pigment (chlorophyll, phaeophytin and chlorophyllide) metabolism, by inhibiting lipid synthesis and activities of various important enzyme systems and by causing ultrastructural disorganization of cellular membranes. In general, aqueous and gaseous SO2 produced results very similar to each other. Plants, when fumigated with SO2 at the ambient air quality standards, exhibited various biochemical responses that can have a deleterious effect on the normal growth and yield of vegetation. However, 24-48 h after transferring the fumigated plants to an SO2-free environment, there was a considerable recovery of such functions.
Date created
1979
DOI
doi:10.7939/R3ZC7RX9J
License information
Rights
This material is provided under educational reproduction permissions included in Alberta Environment and Sustainable Resource Development's Copyright and Disclosure Statement, see terms at http://www.environment.alberta.ca/copyright.html. This Statement requires the following identification: \"The source of the materials is Alberta Environment and Sustainable Resource Development http://www.environment.gov.ab.ca/. The use of these materials by the end user is done without any affiliation with or endorsement by the Government of Alberta. Reliance upon the end user's use of these materials is at the risk of the end user.
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Filename: VE 3.3 Aoserp Report 45 Jan 1979.pdf
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