Detection of Effects of a High Trophic Level Predator, Sorex unguiculatus (Soricidae, Mammalia), on a Soil Microbial Community in a Cool Temperate Forest in Hokkaido, Using the ARISA Method
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- Yamamoto Kana
- Institute of Low Temperature Science, Hokkaido University
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- Ohdachi Satoshi D.
- Institute of Low Temperature Science, Hokkaido University
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- Kasahara Yasuhiro
- Institute of Low Temperature Science, Hokkaido University
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Soil bacteria play important roles as litter decomposers in most terrestrial ecosystems and microbial activity is affected by activities of soil invertebrates. In soil ecosystems of forests in Hokkaido, the long-clawed shrew is an important predator whose preying on soil invertebrates may indirectly affect soil bacterial communities. To estimate indirect top-down effects of shrews on the soil bacterial community, field experiments were conducted using enclosures in which shrews were introduced and removed, and changes in bacterial community composition, species richness, diversity, and evenness were observed using automated ribosomal intergenic spacer analysis (ARISA). Abiotic environmental conditions (ambient temperature, soil temperature, soil moisture content and soil pH) were also considered. Bacterial community structure was significantly affected by soil moisture content and soil temperature. The significant causes of the change in bacterial species richness, diversity, and evenness varied among experimental treatments; however, soil moisture tended to have significantly negative effects on these indices in all cases. In the present study, effects of shrews on the bacterial community were not detected.<br>
収録刊行物
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- Microbes and environments
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Microbes and environments 25 (3), 197-203, 2010
日本微生物生態学会 / 日本土壌微生物学会 / Taiwan Society of Microbial Ecology / 植物微生物研究会 / 極限環境微生物学会
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詳細情報 詳細情報について
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- CRID
- 1390282679321487744
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- NII論文ID
- 10026643362
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- NII書誌ID
- AA11551577
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- ISSN
- 13474405
- 13426311
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- HANDLE
- 2115/72188
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- NDL書誌ID
- 10810483
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
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- CiNii Articles
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- 使用不可