Characteristics of Seedling Emergence in Four Fagaceous Species in Urban Forests in Kyoto City:

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  • Hirayama Kimiko
    Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
  • Machida Hidemi
    Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
  • Imai Tatsuo
    Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
  • Yamada Satoshi
    Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
  • Takahara Hikaru
    Graduate School of Life and Environmental Sciences, Kyoto Prefectural University

Bibliographic Information

Other Title
  • 京都市近郊二次林におけるブナ科４種の実生発生特性
  • 京都市近郊二次林におけるブナ科4種の実生発生特性 : 遷移段階の異なる林分での比較
  • キョウトシ キンコウ ニジリン ニ オケル ブナカ 4シュ ノ ミショウ ハッセイ トクセイ : センイ ダンカイ ノ コトナル ハヤシ ブン デ ノ ヒカク
  • ―遷移段階の異なる林分での比較―
  • Comparison of Warm-temperate Secondary Forests with Different Successional Stages

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Dominance of fagaceous species changes with succession in urban forests in Kyoto City, which would affect characteristics of their seedling emergence. We conducted seed-sowing experiments for four fagaceous species (Quercus variabilis, Q. serrata, Q. glauca, and Castanopsis cuspidata) in two forests with different successional stages, i.e. one is a mid-successional forest dominated by deciduous fagaceous species, such as Q. variabilis and Q. serrata, and the other is a later-successional forest dominated by an evergreen fagaceous species of C. cuspidata and compared their seedling emergence characteristics between forests and among species. Seedling emergence rates of Q. glauca and C. cuspidata were significantly lower in the evergreen forest, where their acorns were more susceptible to attack by bark beetles until seedling emergence, compared with in the deciduous forest. Many more acorns of Q. variabilis and Q. serrata were damaged by larvae of moths in the deciduous forest, compared with in the evergreen forest, which may contribute to lower emergence rates of their seedlings in the deciduous forest when their acorns were sown in the litter layer. These results suggest that seedling emergence of these four fagaceous species would be largely affected by changes in dominance of fagaceous species with succession, because of their density dependent mortality.

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