ISSN:
1573-5036
Keywords:
Acid rain
;
Sulphur cycle
;
Sulphur mineralization
;
Aureobasidium pullulans
Source:
Springer Online Journal Archives 1860-2000
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Summary Leaves and litter ofAcer pseudoplatanus L. (sycamore) were collected from woodland downwind of a coking works and from a site close to the industrial city of Sheffield and leached with water or simulated acid rain (pH 4.0). The effects of microbial growth on litter leachate, pH and sulphate concentration were determined by (a) allowing the indigenous litter flora to develop or (b) inoculating the fungusAureobasidium pullulans into sterilized leachates amended with synthetic aphid honeydew as carbon source. In both experiments microbial growth generally increased the pH and sulphate concentration of the leachates, independent of the origin of the litter or the leaching agent. The growth ofA. pullulans however, generally decreased the pH and sulphate content of sycamore leaf leachates. We conclude that the microbial mineralization of organic sulphur in deciduous litter leachate can act as a source of sulphate which could enhance cation leaching in atmospheric-pulluted soils.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02372644
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