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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0085097
论文题名:	Bacterial Communities in Malagasy Soils with Differing Levels of Disturbance Affecting Botanical Diversity
作者:	Leah C. Blasiak; Alex W. Schmidt; Honoré Andriamiarinoro; Temesgen Mulaw; Rado Rasolomampianina; Wendy L. Applequist; Chris Birkinshaw; Félicitée Rejo-Fienena; Porter P. Lowry II; Thomas M. Schmidt; Russell T. Hill
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-1-20
卷:	9, 期:1
语种:	英语
英文关键词:	Forests ; Agricultural soil science ; Bacteria ; Biodiversity ; Sequence databases ; Physical geography ; Soil chemistry ; Vascular plants
英文摘要:	Madagascar is well-known for the exceptional biodiversity of its macro-flora and fauna, but the biodiversity of Malagasy microbial communities remains relatively unexplored. Understanding patterns of bacterial diversity in soil and their correlations with above-ground botanical diversity could influence conservation planning as well as sampling strategies to maximize access to bacterially derived natural products. We present the first detailed description of Malagasy soil bacterial communities from a targeted 16S rRNA gene survey of greater than 290,000 sequences generated using 454 pyrosequencing. Two sampling plots in each of three forest conservation areas were established to represent different levels of disturbance resulting from human impact through agriculture and selective exploitation of trees, as well as from natural impacts of cyclones. In parallel, we performed an in-depth characterization of the total vascular plant morphospecies richness within each plot. The plots representing different levels of disturbance within each forest did not differ significantly in bacterial diversity or richness. Changes in bacterial community composition were largest between forests rather than between different levels of impact within a forest. The largest difference in bacterial community composition with disturbance was observed at the Vohibe forest conservation area, and this difference was correlated with changes in both vascular plant richness and soil pH. These results provide the first survey of Malagasy soil bacterial diversity and establish a baseline of botanical diversity within important conservation areas.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0085097&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18963
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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作者单位:

Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, Maryland, United States of America;The Center for Microbial Sciences, University of Michigan, Ann Arbor, Michigan, United States of America;Missouri Botanical Garden, St. Louis, Missouri, United States of America;Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, Maryland, United States of America;Laboratoire de Microbiologie de Environnement, Centre National de Recherches sur l′Environnement, Antananarivo, Madagascar;Missouri Botanical Garden, St. Louis, Missouri, United States of America;Missouri Botanical Garden, St. Louis, Missouri, United States of America;Laboratoire de Microbiologie de Environnement, Centre National de Recherches sur l′Environnement, Antananarivo, Madagascar;Missouri Botanical Garden, St. Louis, Missouri, United States of America;Département Systématique et Évolution (UMR 7205), Muséum National d'Histoire Naturelle, Paris, France;The Center for Microbial Sciences, University of Michigan, Ann Arbor, Michigan, United States of America;Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, Maryland, United States of America

Recommended Citation:

Leah C. Blasiak,Alex W. Schmidt,Honoré Andriamiarinoro,et al. Bacterial Communities in Malagasy Soils with Differing Levels of Disturbance Affecting Botanical Diversity[J]. PLOS ONE,2014-01-01,9(1)

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