NDLI: Transformation of plant residues in the soil of a zone exposed to emissions from an aluminum smelter

Content Provider	Springer Nature Link
Author	Evdokimova, G. A. Pereverzev, V. N. Mozgova, N. P.
Copyright Year	2013
Abstract	The decomposition intensity and the changes in the chemical composition of plant residues (birch leaves and pine needles) were studied in forest podzols in the zone exposed to the emissions from the Kandalaksha aluminum smelter (Murmansk oblast). The stationary test plots were placed at distances of 2 and 50 km from the pollution source. The intensity of decomposition of the plant residues weakly correlated with the degree of the soil contamination. The differences in the decomposition rates and the composition of the residues were insignificant and statistically unreliable or absent. The composition of the plant residues affected these processes to a greater extent. The changes in the chemical composition of the plant residues correlated with the biomass of bacteria and fungi. The peak of their productivity was observed during the first year of the decomposition of the plant residues. During this year, the plant residues lost about 50% of their mass, and the biomasses of bacteria and fungi increased by 2–4 and 8–13 times, respectively. In the prokaryotic part of the microbial community, the portion of actinobateria increased; in the fungal community, the portion of dark-pigmented mycelium became higher.
Starting Page	908
Ending Page	917
Page Count	10
File Format	PDF
ISSN	10642293
Journal	Eurasian Soil Science
Volume Number	46
Issue Number	8
e-ISSN	1556195X
Language	English
Publisher	Springer US
Publisher Date	2013-08-08
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	soil pollution plant residues litter forest podzols Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Soil Science

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