Journal
APPLIED SOIL ECOLOGY
Volume 43, Issue 2-3, Pages 191-199Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsoil.2009.07.007
Keywords
Soil functional diversity; Microbial activity; Plant diversity; Secondary succession
Categories
Funding
- European Regional Development Fund
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The impact of secondary succession of grassland communities towards a Norway spruce forest on soil microbial community was studied on a belt transect established in the Pol'ana Mts, Central Europe Data on understory vegetation, light availability. soil properties and microbial activity were collected oil 147 plots distributed over regular grid Moreover, distributions of function 31 groups of microorganisms were assessed using BIOLOG analysis oil a subset of 27 plots Mantel partial correlations between microbial community indicators and environmental variables showed that microbial activity generally decreased with increasing tree density and size, whereas it increased with increasing radiation at the soil surface. soil temperature, and cover and diversity of understory vegetation Functional richness and diversity of microorganisms were positively correlated with solar radiation. but also with plant species richness and diversity. Abundance of several functional groups correlated closely with success ion-related variables. Redundance analysis of microbial data provided slightly different Outcomes. Forward selection yielded only two environmental variables significantly influencing the composition of the microbial community tree influence potential and organic carbon content Abundances of several functional microbial groups correlated with tree influence, documenting that microbial community changes are at least partially driven by the colonization of grassland by trees. Nevertheless, the relative importance of abiotic environment change and plant community succession oil microbial community dynamics remains unresolved (C) 2009 Elsevier B.V All rights reserved
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