Seedling dynamics in a temperate mixed forest dominated by Abies and Tsuga: changes after establishment of deer-proof fence in a monitoring plot for long-term forest dynamics in the Shiiba Research Forest, Kyushu University

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  • Enoki Tsutomu
    Division of Forest Environmental Science, Department of Agro-environmental Sciences, Faculty of Agriculture, Kyushu University
  • Yamauchi Kouhei
    University Forest, School of Agriculture, Kyushu University
  • Taketo Ogata
    University Forest, School of Agriculture, Kyushu University
  • Cho Keiichiro
    Campus Planning Office, Conservation Area Management Division, Kyusyu University
  • Nakamura Takuma
    University Forest, School of Agriculture, Kyushu University
  • Inoue Sachiko
    University Forest, School of Agriculture, Kyushu University
  • Nanki Daisuke
    University Forest, School of Agriculture, Kyushu University
  • Yamauchi Koshiro
    University Forest, School of Agriculture, Kyushu University
  • Kaji Kiyohiro
    University Forest, School of Agriculture, Kyushu University
  • Ichihashi Ryuji
    Division of Forest Environmental Science, Department of Agro-environmental Sciences, Faculty of Agriculture, Kyushu University

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Other Title
  • モミ・ツガが優占する温帯混交林の実生動態：九州大学宮崎演習林の長期森林動態モニタリングプロットにおける防鹿柵設置後の変化
  • モミ ・ ツガ ガ ユウセンスル オンタイ コンコウリン ノ ミショウ ドウタイ : キュウシュウ ダイガク ミヤザキ エンシュウリン ノ チョウキ シンリン ドウタイ モニタリングプロット ニ オケル ボウカ サク セッチ ゴ ノ ヘンカ

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Half of a 100 m x 100 m forest long-term monitoring plot set up in 2005 in a mixed coniferous forest dominated by Abies and Tsuga in the Shiiba Research Forest of Kyushu University has been surrounded by a deer-proof fence since 2013. Seedling survey was conducted inside and outside the fence in 2016 and 2021. The number of species outside the fence was similar in 2016 and 2021, while greater inside the fence in 2021. Species with pioneer-like traits, such as Chengiopanax sciadophylloides, Rubus palmatus, Acer rufinerve, and Gamblea innovans, were observed inside the fence in 2021. Trees with a height taller than 30 cm were observed inside and outside the fence, and their frequency and size were greater inside the fence in 2021. Species composition was more variable inside the fence than outside when dissimilarity of the seedling communities was evaluated using the Jaccard index. Non-metric multi- dimensional scaling (NMDS) analysis indicated that spatial differences in seedling communities were greater outside the fence and smaller inside.

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