照葉樹林と落葉樹林におけるネズミ相およびアカネズミの繁殖活動と個体数の季節変動について

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  • ショウヨウ ジュリン ト ラクヨウ ジュリン ニ オケル ネズミソウ オヨビ アカネズミ ノ ハンショク カツドウ ト コタイスウ ノ キセツ ヘンドウ ニ ツイテ
  • Fauna of Muridae and the seasonal changes in the number and reproductive status of Apodemus speciosus in the evergreen and deciduous broad-leaved forests.

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Fauna of Muridae, reproduction and seasonal change in the numbers of Apodemus speciosus were studied by the method of mark and recapture in an evergreen broad-leaved forest, Mt. Kasuga and a deciduous broad-leaved forest, Mt. Takamado, Nara Prefecture, central Japan. 1. Apodemus spesiosus and A. argenteus were captured in the evergreen and deciduous broad-leaved forest. Apodemus speciosus accounted for 90 percent of all captures. There was no statistical defference between two study sites on the numbers of A. speciosus. 2. Breeding season of A. speciosus were observed twice a year, spring and autumn, 3. Number of captures on A. speciosus increased from winter to the next spring, and reduced from summer to autumn.

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