茂原八積低層湿原における野地坊主の分布と形成

DOI Web Site 被引用文献3件
  • 矢部 和夫
    北海道大学環境科学研究科生態系管理学講座

書誌事項

タイトル別名
  • DISTRIBUTION AND FORMATION OF TUSSOCKS IN MOBARA-YATSUMI MARSH
  • 茂原八積低層湿原における野地坊主の分布と形成〔英文〕
  • モバラ ヤツミ テイソウ シツゲン ニ オケル ノジ ボウズ ノ ブンプ ト

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抄録

YABE Kazuo (Env. Conserv., Grad. School Env. Sci., Hokkaido Univ. Sapporo). 1985. Distribution and formation of tussocks in Mobara-Yatsumi marsh. Jap. J. Ecol., 35 : 183-191. Two types of grasslands in Mobara-Yatsumi marsh were studied. The relatively oxidized sandy loam was covered with Imperata cylindrica var. koenigii and Isachne globosa, which could extend rapidly by long rhizomes or stolons and survive under intensive competition in optimum environments. On the other hand, the anaerobic compact muck area was occupied dominantly by Ischaemum aristatum var. glaucum and occasionally by Phragmites communis and Carex thunbergii. Although the latter two could not inhabit the zones where the soil was too anaerobic and the upper muck layer was too thin, Ischaemum could occupy most parts of the compact muck area by making raised tussocks which actively oxidized the anaerobic soil and provided an extra-substratum necessary for their shoots to stand in the thin upper muck layer. Lateral rootlets of Ischaemum grew upward, and new buds were produced in the rootlet ball every year. Repeating this process, the tussocks of Ischaemum seemed to be raised well in several years.

収録刊行物

  • 日本生態学会誌

    日本生態学会誌 35 (2), 183-191, 1985

    一般社団法人 日本生態学会

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