丹沢山地における渓畔林の発達に伴う種組成と生活型の変化

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概要

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• Species composition, life-form and disseminule-form spectra of riparian forest were investigated in the Tanzawa Mountains, central Japan. The results showed that the gradient of vegetation species composition corresponded mainly to stand age. Pioneer trees such as Alnus and Euptelea appeared throughout all stages, pioneer herbs appeared in the early stages, and late successional trees such as Acer and Zelkova appeared in the late stages. Cornus controversa and Prunus jamasakura which are animal-dispersed pioneer trees, appeared only in the late stages. Percentage occurrence of annual and biennial herbs and anemochores decreased with stand development, while that of tall trees and endozoochores increased with stand development. The frequent appearance of animal-dispersed pioneer trees in the late stage was a marked characteristic of riparian forest in the Tanzawa Mountains. Such characteristics may be affected by the surrounding vegetation and the size of the watershed.

• 1999-12-25

著者

• 阿部 聖哉

  横浜国立大学環境科学研究センター

• 阿部 聖哉

  横浜国立大学環境科学研究センター:(現)財団法人国際生態学センター

関連論文

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• 丹沢・箱根・富士地域における草原の組成と分布
• 本州中部の山地河畔におけるヤシャブシ群落の分布と種組成
• 丹沢山地における渓畔林の発達に伴う種組成と生活型の変化

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