書誌事項
- タイトル別名
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- H<sup>+</sup> budget in the forest ecosystems.
- 森林生態系におけるH+収支
- シンリン セイタイケイ ニ オケル H シュウシ
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The origins of H+ in forest ecosystem have hardly been discussed in Japan, although it is obvious that soil acidification includes not only anthropogenic processes such as acid deposition but also natural formation in the soil (pedogenesis). The concept of a H+ budget was used in a study of acid deposition in Sweden to evaluate the relative importance of H+ sources. The H+ budget can integrate most ionic nutrients, but mainly biogeochemical processes consisting of H+ production and consumption. To identify H+ sources and sinks, published data on nutrient cycling were reanalyzed in terms of H+ budget. Usually H+ production and consumption processes are heterogeneous in time and space; biochemical processes are active at the surface soil horizon, while at the deeper soil horizon geochemical processes like weathering predominate. For forest ecosystems, it is desirable to calculate the H+ budget for a watershed unit and the sepecific soil horizon. A distinct difference in H+ budget was found between Japan and European countries. In European forests, soil acidification is caused by external H+ input (acid deposition, especially SO2 and NH4+), whereas in Japanese forests, it is caused mainly by internal H+ production (cation uptake and nitrification in the surface soil horizon).
収録刊行物
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- 日本生態学会誌
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日本生態学会誌 48 (3), 287-296, 1998
一般社団法人 日本生態学会
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詳細情報 詳細情報について
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- CRID
- 1390001204293124096
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- NII論文ID
- 110001880976
- 10012988909
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- NII書誌ID
- AN00193852
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- ISSN
- 2424127X
- 00215007
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- NDL書誌ID
- 4642356
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可