Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan
<i>Miscanthus</i>-dominated semi-natural grasslands in Japan appear to store considerable amounts of soil C. To estimate the long-term effect of <i>Miscanthus</i> vegetation on the accumulation of soil carbon by soil biota degradation in its native range, we measured total so...
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MDPI AG
2022-01-01
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| author | David S. Howlett J. Ryan Stewart Jun Inoue Masanori Saito DoKyoung Lee Hong Wang Toshihiko Yamada Aya Nishiwaki Fabián G. Fernández Yo Toma |
| author_facet | David S. Howlett J. Ryan Stewart Jun Inoue Masanori Saito DoKyoung Lee Hong Wang Toshihiko Yamada Aya Nishiwaki Fabián G. Fernández Yo Toma |
| author_sort | David S. Howlett |
| collection | DOAJ |
| description | <i>Miscanthus</i>-dominated semi-natural grasslands in Japan appear to store considerable amounts of soil C. To estimate the long-term effect of <i>Miscanthus</i> vegetation on the accumulation of soil carbon by soil biota degradation in its native range, we measured total soil C from the surface to a 1.2 m depth along a catena toposequence in three annually burned grasslands in Japan: Kawatabi, Soni, and Aso. Soil C stock was estimated using a radiocarbon age and depth model, resulting in a net soil C accumulation rate in the soil. C<sub>4</sub>-plant contribution to soil C accumulation was further estimated by δ<sup>13</sup>C of soil C. The range of total soil C varied among the sites (i.e., Kawatabi: 379–638 Mg, Soni: 249–484, and Aso: 372–408 Mg C ha<sup>−1</sup>). Catena position was a significant factor at Kawatabi and Soni, where the toe slope soil C accumulation exceeded that of the summit. The soil C accumulation rate of the whole horizon in the grasslands, derived C mainly from C<sub>4</sub> plant species, was 0.05 ± 0.02 (Average ± SE), 0.04 ± 0.00, and 0.24 ± 0.04 Mg C ha<sup>−1</sup> yr<sup>−1</sup> in Kawatabi, Soni, and Aso, respectively. Potential exists for long-term sequestration of C under <i>M. sinensis</i>, but the difference in the C accumulation rate can be influenced by the catena position and the amount of vegetation. |
| first_indexed | 2024-03-10T03:08:50Z |
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| language | English |
| last_indexed | 2024-03-10T03:08:50Z |
| publishDate | 2022-01-01 |
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| series | Agriculture |
| spelling | doaj.art-b28870f9ac3842f493e01ab9216da34a2023-11-23T12:36:01ZengMDPI AGAgriculture2077-04722022-01-011218810.3390/agriculture12010088Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in JapanDavid S. Howlett0J. Ryan Stewart1Jun Inoue2Masanori Saito3DoKyoung Lee4Hong Wang5Toshihiko Yamada6Aya Nishiwaki7Fabián G. Fernández8Yo Toma9United States Agency for International, 1300 Pennsylvania Avenue, NW, Washington, DC 20523, USADepartment of Plant and Wildlife Sciences, Brigham Young University, 2124 LSB, Provo, UT 84602, USAGraduate School of Science, Osaka City University, 3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, JapanGraduate School of Agricultural Science, Tohoku University, Osaki 989-6711, JapanDepartment of Crop Sciences, University of Illinois at Urbana-Champaign, Turner Hall, 1102 S Goodwin Ave, Urbana, IL 61801, USAInterdisciplinary Research Center of Earth Science Frontier, Beijing Normal University, Beijing 100875, ChinaField Science Center for Northern Biosphere, Hokkaido University, Kita-11, Nishi-10, Kita-ku, Sapporo 060-0811, JapanField Science Center Kibana Agricultural Science Station, Faculty of Agriculture, University of Miyazaki, 1-1, Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, JapanDepartment of Soil, Water and Climate, University of Minnesota, 1529 Gortner Avenue, St. Paul, MN 55108, USAResearch Faculty of Agriculture, Hokkaido University, Kita-9, Nishi-9, Kita-ku, Sapporo 060-8589, Japan<i>Miscanthus</i>-dominated semi-natural grasslands in Japan appear to store considerable amounts of soil C. To estimate the long-term effect of <i>Miscanthus</i> vegetation on the accumulation of soil carbon by soil biota degradation in its native range, we measured total soil C from the surface to a 1.2 m depth along a catena toposequence in three annually burned grasslands in Japan: Kawatabi, Soni, and Aso. Soil C stock was estimated using a radiocarbon age and depth model, resulting in a net soil C accumulation rate in the soil. C<sub>4</sub>-plant contribution to soil C accumulation was further estimated by δ<sup>13</sup>C of soil C. The range of total soil C varied among the sites (i.e., Kawatabi: 379–638 Mg, Soni: 249–484, and Aso: 372–408 Mg C ha<sup>−1</sup>). Catena position was a significant factor at Kawatabi and Soni, where the toe slope soil C accumulation exceeded that of the summit. The soil C accumulation rate of the whole horizon in the grasslands, derived C mainly from C<sub>4</sub> plant species, was 0.05 ± 0.02 (Average ± SE), 0.04 ± 0.00, and 0.24 ± 0.04 Mg C ha<sup>−1</sup> yr<sup>−1</sup> in Kawatabi, Soni, and Aso, respectively. Potential exists for long-term sequestration of C under <i>M. sinensis</i>, but the difference in the C accumulation rate can be influenced by the catena position and the amount of vegetation.https://www.mdpi.com/2077-0472/12/1/88<i>Miscanthus sinensis</i>soil carboncatenaradiocarbon datingC<sub>4</sub> grasses |
| spellingShingle | David S. Howlett J. Ryan Stewart Jun Inoue Masanori Saito DoKyoung Lee Hong Wang Toshihiko Yamada Aya Nishiwaki Fabián G. Fernández Yo Toma Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan Agriculture <i>Miscanthus sinensis</i> soil carbon catena radiocarbon dating C<sub>4</sub> grasses |
| title | Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan |
| title_full | Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan |
| title_fullStr | Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan |
| title_full_unstemmed | Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan |
| title_short | Source and Accumulation of Soil Carbon along Catena Toposequences over 12,000 Years in Three Semi-Natural <i>Miscanthus sinensis</i> Grasslands in Japan |
| title_sort | source and accumulation of soil carbon along catena toposequences over 12 000 years in three semi natural i miscanthus sinensis i grasslands in japan |
| topic | <i>Miscanthus sinensis</i> soil carbon catena radiocarbon dating C<sub>4</sub> grasses |
| url | https://www.mdpi.com/2077-0472/12/1/88 |
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