Effects of Temperature on Population Growth and N Mineralization of Soil Bacteria and a Bacterial-feeding Nematode
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概要
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Effects of temperature on the population growth of soil bacteria, P. fluorescens and B. subtilis, and a bacterial-feeding nematode, C. elegans, and their activities for N mineralization were studied in gnotobiotic microcosms at 15, 20 and 25℃ Nematode densities increased significantly with temperature. Inoculation of nematodes significantly increased bacterial densities of both P. fluorescens and B. subtilis at 20 and 25℃ Bacterial and nematode densities rose simultaneously. The amounts of NH_<4^+>-N were significantly greater in the microcosms with nematodes and bacteria than the microcosms with bacteria alone at 20 and 25℃ There were significant interactions between temperature, nematodes and bacterial populations. These results indicate that nitrogen mineralization was closely related to the population dynamics of the nematodes and bacteria.
- 日本微生物生態学会の論文
著者
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Inubushi Kazuyuki
Faculty Of Horticulture Chiba University
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Inubushi Kazuyuki
Faculty Of Agriculture The University Of Tokyo
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Miwa Johji
R&d Group Nec Corporation:(present Address)institute For Biological Function Chubu University
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HUIXIN LI
Faculty of Resource and Environmental Science, Nanjing Agriculture University
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MIWA JOHJI
R&D Group, NEC Corporation
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Huixin Li
Faculty Of Resource And Environmental Science Nanjing Agriculture University
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