Resistance of larches to bark stripping by sika deer in Hokkaido, northern Japan

Ken OrihashiGraduate School of Agriculture, Hokkaido University, Kita-9 Nishi-9, Kita-ku, Sapporo060-8589, Japan

Ryo HiyamaGraduate School of Agriculture, Hokkaido University, Kita-9 Nishi-9, Kita-ku, Sapporo060-8589, Japan

Yasuo KojimaGraduate School of Agriculture, Hokkaido University, Kita-9 Nishi-9, Kita-ku, Sapporo060-8589, JapanCorrespondence[email protected]

Minoru TerazawaGraduate School of Agriculture, Hokkaido University, Kita-9 Nishi-9, Kita-ku, Sapporo060-8589, Japan

Shigehiro KamodaUniversity Forest in Hokkaido, The University of Tokyo, Furano, Japan.

Hisatomi KasaharaUniversity Forest in Hokkaido, The University of Tokyo, Furano, Japan.

Yasuo TakahashiUniversity Forest in Hokkaido, The University of Tokyo, Furano, Japan.

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Abstract

Resistance of the Japanese larch (Larix kaempferi) (Lk), the Kurile larch (L. gmelinii var. japonica) (Lg), and their F₁ hybrid (Lg × Lk) to bark stripping by sika deer (Cervus nippon yesoensis) were studied in a forest in Hokkaido by cafeteria tests. Several sets of logs prepared from Lk, Lg, and Lg × Lk were fed to the deer. The stripped areas of logs significantly differed between the Lk/Lg set and the Lk/Lg × Lk set (P < 0.05). The resistances of Lg and Lg × Lk to bark stripping was stronger than Lk. This result was similar to those of previous studies on gray-sided voles and mountain hares in Hokkaido.

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Resistance of larches to bark stripping by sika deer in Hokkaido, northern Japan

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Resistance of larches to bark stripping by sika deer in Hokkaido, northern Japan

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