SPECIAL ISSUE “ Protection and Restoration of Vegetation Damaged by Deer Grazing ” The influence of deer to revegetation and management of natural forests damaged by pine wilt disease in Misen Mountains, Shimane Peninsula

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  • YAMANAKA Keisuke
    Shimane Pref. Mountainous Region Research Center Shimane Prefecture East Region Agriculture and Forestry Promotion Center, Izumo Branch Office
  • HAYASHI Shinpei
    Shimane Pref. Mountainous Region Research Center

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Other Title
  • 特集「シカの採食圧による植生被害防除と回復」 松くい虫被害を受けた島根半島弥山山地の天然林の再生と管理にニホンジカが与える影響
  • 松くい虫被害を受けた島根半島弥山山地の天然林の再生と管理にニホンジカが与える影響
  • マツクイムシ ヒガイ オ ウケタ シマネ ハントウヤヤマヤマチ ノ テンネンリン ノ サイセイ ト カンリ ニ ニホンジカ ガ アタエル エイキョウ
  • SPECIAL ISSUE “ Protection and Restoration of Vegetation Damaged by Deer Grazing ” The influence of deer to revegetation and management of natural forests damaged by pine wilt disease in Misen Mountains, Shimane Peninsula

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Abstract

The vegetation of Misen Mountains located in the western region of the Shimane Peninsula was investigated at 16 study sites. The purpose of the investigation was to discuss revegetation and management method for forests damaged by the pine wilt disease on Misen Mountains. Twenty-nine species of evergreen trees and 42 species of deciduous trees were identified in the tree and sub-tree layers. The dominant species with respect to number and basal area were Vernicia cordata (Thunb.) Airy Shaw, Camellia japonica L., Neolitsea sericea (Bl.) Koidz. The total estimate for C. japonica and N. sericea in the shrub layer was high, similar to that in the tree and sub-tree layers. Therefore, these trees are the species to be able to grow up in habitat by deer. In contrast, the total estimate for V. cordata and Pinus densiflora Sieb. et Zucc. in the shrub layer was low. Thus, if a protective fence for deer is not established, then the vegetation of this area will transform into that of an evergreen forest. The evergreen forest has low species diversity, and the plant species commonly found in the forest are C. japonica and N. sericea.

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