Regeneration Potential of Quercus serrata and Lithocarpus edulis Forests Influenced by Japanese Oak Wilt and Ungulates

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This research aims to investigate the factors influencing seedling regeneration and vegetation recovery in forests affected by Japanese oak wilt.
Field surveys conducted in 13 locations across Chiba, Shizuoka, and Aichi Prefectures.
Data analyzed using a generalized linear model to assess impacts on seedling counts and vegetation density.
Ungulate impact assessed using relative abundance indexes (RAI) for deer, wild boar, and Korean roe deer.
Strong negative impact of deer RAI on vegetation cover and seedling numbers observed.
Negative effects of wild boar and roe deer RAI detected on certain vegetation metrics.
No seedlings observed in areas with higher deer dominance, yet some sprouting observed below specific thresholds.

Field study examines regeneration potential in forests, showing ungulate impact on recovery dynamics.

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Kato et al. (2026) studied this question.

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