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Impact of soil management on the functional activity of microbial communities associated to cork oak rhizosphere

Marongiu, Raffaele and Garau, Giovanni and Caredda, Marco and Deiana, Pietrino (2007) Impact of soil management on the functional activity of microbial communities associated to cork oak rhizosphere. In: Environment Identities and Mediterranean Area, 2006: ISEIMA '06: 1st International Symposium, 9-12 July 2006, Corte-Ajaccio, France. Piscataway, IEEE. p. 46-50. ISBN 1-4244-0231-X. Conference or Workshop Item.

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DOI: 10.1109/ISEIMA.2006.345042

Abstract

The microbial ecology of cork oak rhizosphere was investigated using the Biolog community level physiological profile (CLPP) that provides a unique metabolic fingerprint helpful for the characterization of complex microbial communities. Microbial populations from the rhizosphere of cork oak plants growing at three different sites within the same area were characterized using CLPP and compared. The sites were distinguished by a different soil management under the tree cover and, in general terms, by a different anthropogenic impact. The comparison of metabolic fingerprints of the different microbial populations showed the existence of a relationship between general microbial activity and functional biodiversity in the rhizosphere and the level of anthropogenic impact. Particularly the presence of grazing animals, soil tillage and fire could be identified as the main factors affecting both the general microbial activity and the structure of microbial populations from cork oak rhizospheres.

Item Type:Conference or Workshop Item (Paper)
ID Code:2813
Status:Published
Uncontrolled Keywords:Coark oak rhizosphere, microbial ecology, grazing animals
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/16 Microbiologia agraria
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:IEEE
ISBN:1-4244-0231-X
Publisher Policy:Depositato in conformità con la politica di copyright dell'Editore
Deposited On:25 Aug 2009 09:34

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