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Position: Home > Articles > Effects of deforestation on microbial diversity in a Siberian larch (Larix sibirica) stand in Mongolia Journal of Forestry Research 2019,30 (5)

Effects of deforestation on microbial diversity in a Siberian larch (Larix sibirica) stand in Mongolia

作者：

Jun Won Kang;Yeong Dae Par

单位：

Department of Forest Resources, Daegu University, Gyeongbuk, Republic of Kore;Division of Forest Tree Improvement, National Institute of Forest Science, Suwon, Republic of Korea

关键词：

Forest fire;Forest health;Harvest;Microbial diversity;Reafforestation;Siberian Larch (Larix sibirica);Soil microbiome;16S RIBOSOMAL-RNA;SOIL QUALITY;FOREST SOIL;COMMUNITY STRUCTURE;LIBRARIES;DYNAMICS;NITROGEN;DRIVERS;FUNGI;P

摘要：

For evaluating microbial community changes in a Siberian larch stand disturbed by forest fire or clear-cutting, 357 clones were randomly selected and sequenced using a culture-independent approach and 16S rRNA sequencing to characterize the bacterial composition and diversity from the different disturbed Siberian larch stands. Interestingly, the burned larch stand had an increase in the relative amounts of beta -proteobacteria and Firmicutes and a decrease in Acidobacteria, while Gemmatimonadetes increased Verrucomicrobia decreased in the harvested larch stand. Microbial diversity and richness were higher in the undisturbed larch stand than the disturbed (burned or clear-cut) larch stands, and the influence of clear-cutting was more negative than that of the forest fire. This study indicates that evaluating the microbial diversity of undisturbed, burned, and clear-cutting Siberian larch stands provides information about the impact of forest disturbances on soil microbial communities, which may be helpful for understanding and evaluating soil health and devising reafforestation strategies for larch.

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Effects of deforestation on microbial diversity in a Siberian larch (Larix sibirica) stand in Mongolia

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