Feces distribution of the Japanese giant flying squirrel <i>Petaurista leucogenys</i> in an isolated Satoyama forest

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  • 糞分布から見た孤立林地におけるムササビ<i>Petaurista leucogenys</i>の生息状況
  • 糞分布から見た孤立林地におけるムササビPetaurista leucogenysの生息状況
  • フン ブンプ カラ ミタ コリツ リンチ ニ オケル ムササビ Petaurista leucogenys ノ セイソク ジョウキョウ

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Abstract

<p>Distribution of the Japanese giant flying squirrel, Petaurista leucogenys, was investigated by counting dropped feces in an isolated Satoyama forest (total forest area 136ha) in Machida, Tokyo. According to the kernel density estimation method, the squirrel visited 95ha (95% kernel) and the core area was 23ha (50% kernel). The core area was in the central part of the forest and there was a maximum of 517 feces in the survey plot. In the marginal area there were none or only several feces. In the low density areas, the feces counting method was more practical than the nightly line census method. This indicated that feces counting was suitable for identifying the relative density of the squirrel. Combined with the results of the foregoing density study in the same area, the population number of the squirrel in this isolated forest was estimated to be between 15 and 63.</p>

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