Comparative Analysis of Mortality Factors of Artificial Larval Populations of the Gypsy Moth, Lymantria dispar(Lepidotera : Lymantriidae) in Hokkaido : I. Mortality Factors in Five Different Types of Forests

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概要

• 論文の詳細を見る

• Mortality factors were investigated for artificial populations of Lymantria dispar larvae in 5 different types of forests in Hokkaido, Japan. In a larch plantation, a main mortality factor was predation by birds. In a natural mixed forest, the major contributors to the gypsy moth population decline were predation by insects and voles in addition to birds.No effective mortality factor was found in an open grassland. Predation rates between 2 trees in close proximity were similar, but parasitism rates varied from tree to tree.

• 日本応用動物昆虫学会の論文
• 1990-05-25

著者

• FUKUYAMA Kenji

  Hokkaido Research Center, Forestry and Forest Products Research Institute

• Yamaguchi Hiroaki

  Hokkaido Research Center Forestry & Forest Products Reseatch Institute

• Fukuyama K

  Forestry And Forest Products Res. Inst. Sapporo Jpn

• Fukuyama Kenji

  Hokkaido Branch Government Forest Experiment Station

• KOIZUMI Chikara

  Hokkaido Research Center, Forestry & Forest Products Reseatch Institute

• Koizumi Chikara

  Hokkaido Research Center Forestry & Forest Products Reseatch Institute

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• Comparative Analysis of Mortality Factors of Artificial Larval Populations of the Gypsy Moth, Lymantria dispar(Lepidotera : Lymantriidae) in Hokkaido : I. Mortality Factors in Five Different Types of Forests
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