Myrmecofaunal Change with Bamboo Invasion into Broadleaf Forests

Recently, it is documented that bamboo (Mousouchiku:Phyllostachys pubescens Mazel) invasion deteriorates ecological and/or landscape diversity. In order to investigate the ecological effects on forest-floor arthropods caused by bamboo invasion, we compared the myrmecofauna among broadleaf forests, bamboo-broadleaf mixed forests, and bamboo forests in Hiroshima City and its vicinity. Myrmecofauna in bamboo forests were more impoverished than in broadleaf forests. Myrmecofauna in the mixed forests, however, were similar to that in broadleaf forests in both species diversity and species composition. The change in myrmecofauna may occur relatively late after the initial bamboo invasion.

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