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Title 

Bacterial diversity in ornithogenic soils compared to mineral soils on King George island, antarctica

Authors 

O S KimN ChaeH S LimA ChoJ H KimS G HongJeongsu Oh

Publisher 

Microbiological Society of Korea

Issue Date 

2012

Citation 

Journal of Microbiology, vol. 50, no. 6, pp. 1081-1085

Keywords 

16S rRNABarton PeninsulaNare{ogonek}bski Pointpenguin rookeriespyrosequencing

Abstract 

In the Nare{ogonek}bski Point area of King George Island of Antarctica, ornithogenic soils form on land under Chinstrap and Gentoo Penguin rookeries. The purpose of this study was to compare the bacterial community compositions in the gradient of contamination by penguin feces; mineral soil with no contamination, and soils with medium or high contamination. The discrimination between mineral soils and ornithogenic soils by characterization of physicochemical properties and bacterial communities was notable. Physicochemical analyses of soil properties showed enrichment of carbon and nitrogen in ornithogenic soils. Firmicutes were present abundantly in active ornithogenic soils, Bacteroidetes and Proteobacteria in a formerly active one, and several diverse phyla such as Proteobacteria, Actinobacteria, and Acidobacteria in mineral soils. Some predominant species belonging to the Firmicutes and Gammaproteobacteria may play an important role for the mineralization of nutrients in ornithogenic soils. Results of this study indicate that dominant species may play an important role in mineralization of nutrients in these ecosystems.

ISSN 

1225-8873

Link 

http://dx.doi.org/10.1007/s12275-012-2655-7

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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