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Sulfate and Nitrate Loads on a Forest Ecosystem in Kochi in Southwest of Japan

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Book cover Acid rain 2000

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Abstract

To assess the influence of acidic deposition on the forest ecosystem, it is necessary to evaluate the gross amount of acidic deposition. In this paper, we discuss the variation of sulfate (SO4 2) and nitrate (NO3) loads as well as related concentration from 1991 to 1999 in the Hinoki (Chamaecyparis obtusa) plantation in Kochi, southwest Japan. The annual precipitation varied significantly from 1,700 to 3,900 mm during the study period. The annual sulfate concentration of rainfall was about 15 μmol L-1, including about 80% non sea salt sulfate, while the annual nitrate concentration of rainfall was increased. The sulfate and nitrate concentrations of the through fall and the nitrate concentration of the stem flow were equal to or slightly higher than those of rainfall. However, the sulfate concentration of the stem flow was higher than that of rainfall, 21 to 55 μmol L-1. The sulfate and nitrate loads of rainfall were measured to be 27 to 46 and 14 to 43 mmol m-2 y-1, respectively. The sulfate and nitrate loads of the through fall were the same or slightly higher than those of rainfall. In contrast, the sulfate and nitrate loads of the stem flow were less than those of rainfall. Combined sulfate loads of the through fall and the stem flow reached about 1.5 times that of the sulfate load of rainfall.

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References

  • Hara, H.: 1997, The Chemical Society of Japan 11, 733. in Japanese with English summary.

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  • Tamaki M, Katou, T., Sekiguchi, K., Kitamura, M., Taguchi, K., Oohara, M, Mori, A., Wakamatsu, S., Murano, K., Okita, T., Yamanaka, Y. and Hara, H.: 1991, The Chemical Society of Japan 5, 667. in Japanese with English summery.

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Author information

Authors and Affiliations

  1. Shikoku Research Center, Forestry and Forest Products Research Institute (FFPRI), 2-915 Asakura-nishi, Kochi, 780-8077, Japan

    Tsuyoshi Yamada, Shuichiro Yoshinaga, Kazuhito Morisada & Keizo Hirai

  2. Forestry and Forest Products Research Institute, Ibaraki, 305-8687, Japan

    Shuichiro Yoshinaga, Kazuhito Morisada & Keizo Hirai

Authors
  1. Tsuyoshi Yamada
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  2. Shuichiro Yoshinaga
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  3. Kazuhito Morisada
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  4. Keizo Hirai
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Editor information

Editors and Affiliations

  1. National Institute for Environmental Studies, Japan

    Kenichi Satake (Editor-in-Chief), Takejiro Takamatsu , Tsutomu Fukuyama , Shiro Hatakeyama  & Kentaro Murano (Editor-in-Chief), , ,  & 

  2. National Institute for Agro-Environmental Sciences, Japan

    Junko Shindo

  3. Institute of Geoscience, University of Tsukuba, Japan

    Takanori Nakano

  4. Tokyo National Research Institute of Cultural Properties, Japan

    Shigeru Aoki

  5. National Research Institute of Aquaculture, Japan

    Kazukamasa Ikuta

  6. Shiga University, Japan

    Munetsugu Kawashima

  7. Central Research Institute of Electric Power Industry, Japan

    Yoshihisa Kohno

  8. Tokyo Woman’s Christian University, Japan

    Satoru Kojima

  9. Obirin University, Japan

    Toshiichi Okita

  10. Forestry and Forest Products Research Institute, Japan

    Hiroshi Taoda

  11. Gunma University, Japan

    Kinichi Tsunoda

  12. Hirosaki University, Japan

    Makoto Tsurumi

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© 2001 Springer Science+Business Media New York

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Yamada, T., Yoshinaga, S., Morisada, K., Hirai, K. (2001). Sulfate and Nitrate Loads on a Forest Ecosystem in Kochi in Southwest of Japan. In: Satake, K., et al. Acid rain 2000. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0810-5_33

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  • DOI: https://doi.org/10.1007/978-94-007-0810-5_33

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-3733-4

  • Online ISBN: 978-94-007-0810-5

  • eBook Packages: Springer Book Archive

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