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Yamada, Hirohisa*; Yokoyama, Shingo*; Watanabe, Yujiro*; Morimoto, Kazuya*; Suzuki, Shinichi; Yaita, Tsuyoshi; Hatta, Tamao*
no journal, ,
Takagi, Kentaro*; Liang, N.*; Aguilos, M.*; Rythi, K.*; Teramoto, Munemasa*; Kobayashi, Makoto*; Sun, L.*; Kondo, Toshiaki*; Koarashi, Jun; Atarashi-Andoh, Mariko
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Koarashi, Jun; Atarashi-Andoh, Mariko; Takagi, Kentaro*; Kondo, Toshiaki*; Teramoto, Munemasa*; Nagano, Hirohiko; Kokubu, Yoko; Takagi, Masahiro*; Ishida, Sachinobu*; Hiradate, Shuntaro*; et al.
no journal, ,
It is possible that global warming will promote the decomposition of soil organic carbon (SOC) and cause further global warming. In this study, the quantity and quality of SOC (carbon and nitrogen content, stable and radioactive carbon isotope composition, etc.) were investigated in warming and control plots at five forest sites in Japan, where long-term soil warming experiments have been conducted. Results show no remarkable difference in the quantity and quality of SOC stored in surface (0-20 cm) soils between the warming and control plots, suggesting the warming-induced increase in the soil respiration will continue over the next decade, probably due to the abundant SOC storage in Japanese forest surface soils.
Atarashi-Andoh, Mariko; Koarashi, Jun; Takagi, Kentaro*; Kondo, Toshiaki*; Teramoto, Munemasa*; Nagano, Hirohiko; Kokubu, Yoko; Takagi, Masahiro*; Ishida, Sachinobu*; Liang, N.*
no journal, ,
Profiles of soil organic matter (SOM) can show striking patterns of carbon and nitrogen isotopic enrichment with increasing depth. Although various factors are involved in the distribution of stable isotope ratios in forest ecosystems, the variation in isotope ratios in SOM is caused by isotopic discrimination during microbially driven processing. Therefore, analyses of the carbon and nitrogen isotope ratios in SOM provide insights into the dynamics and accumulation of the SOM. This study measured the carbon and nitrogen isotope ratios of soil collected in warming and control plots in five forests in Japan, where long-term warming experiments have been conducted. This showed clear differences in SOM quality among the five forests. There was no remarkable difference in the isotope compositions of the warming and control plots, indicating that there has been no marked change in SOM after a decade of warming, probably due to the abundant SOM storage in Japanese forest surface soils.
Liang, N.*; Zhang, Y.*; Chiang, P.-N.*; Lai, D.*; Teramoto, Munemasa*; Takagi, Kentaro*; Kondo, Toshiaki*; Koarashi, Jun; Wang, Y.*; Li, S.*; et al.
no journal, ,
Teramoto, Munemasa*; Liang, N.*; Takagi, Kentaro*; Kondo, Toshiaki*; Kondo, Toshiaki*; Koarashi, Jun; Atarashi-Andoh, Mariko; Takagi, Masahiro*; Ishida, Sachinobu*; Naramoto, Masaaki*; et al.
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