Potential accumulation of a CFC-replacement degradation product in seasonal wetlands
Article Abstract:
The concentration of trifluoroacetate (TFA) released from the atmosphere would not be biologically significant in seasonal wetlands but in conditions of high evapotranspiration, the concentration of TFA may be high in the local surface waters of the wetlands if degradation and seepage is low. The use of hydrofluorocarbons and hydrochlorofluorocarbons in place of chlorofluorocarbons would result in TFA as the atmospheric degradation product which is removed by rain water, high levels of which would affect plant growth.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1995
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Interactive effects of ambient ozone and climate measured on growth of mature forests trees
Article Abstract:
A study of variations in the stem circumference of mature loblolly pine trees in response to ozone and climate changes reveals that short-term rates of stem expansion are restricted by ozone exposures that interact with low soil moisture and high air temperatures. Annual growth varies inversely with seasonal ozone exposure and soil moisture stress. These effects of ozone and climate differ across individual trees and years.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1995
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Increased plant growth in the northern high latitudes from 1981 to 1991
Article Abstract:
Satellite data provided evidence for the strong correlation between variations in the amplitude and timing of the seasonal cycle of atmospheric carbon dioxide and surface air temperature and establish the positive effect of warmer temperature on plant growth and respiration in the northern high latitudes. Results have ashore that interannual variations in surface air temperature influences the global carbon cycle.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
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