Invention of a new type of nest box for the Japanese dormouse (<i>Glirulus japonicus</i>)

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  • Tamaki Erika
    Graduate School of Life and Environmental Science, University of Tsukuba
  • Sugiyama Masanori
    Yatsugatake Forests, Agricultural and Forestry Research Center, University of Tsukuba
  • Kadowaki Seishi
    Yatsugatake Forests, Agricultural and Forestry Research Center, University of Tsukuba

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  • ヤマネ<i>Glirulus japonicus</i>用新型巣箱の考案
  • ヤマネGlirulus japonicus用新型巣箱の考案
  • ヤマネ Glirulus japonicusヨウ シンガタ スバコ ノ コウアン

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Abstract

We invented a new type of nest box for Japanese dormouse (Glirulus japonicus) by combining a durable Polyvinyl chloride pipe with a piece of wood (PVC nest boxes). The PVC nest boxes require a shorter time (7 min.) than that of wooden boxes (20 min.) to assemble. To examine the efficacy of PVC nest boxes, their use by dormice and other animals was assessed in relation to wooden nest boxes in Yatsugatake and Kawakami Forests, University of Tsukuba, Nagano, in 2009. Supplementary investigation for bird use was also carried out in 2010. The mean rate of use of each nest box by the dormice did not differ between PVC (mean±SD, 1.85±2.91%) and wooden (1.56±3.45%) (Data obtained from Kawakami, same as above). The small Japanese field mouse (Apodemus argenteus) used more wooden nest boxes (1.84±0.50%) than PVC ones (0.12±0.09%). Small-sized birds (Paridae gen. spp.) used wooden nest boxes (19%) at a higher rate than PVC ones (3%). We suggest that PVC nest boxes are effective for the investigation of dormice, because they are expected to have little influence on forest ecosystems given their low use by other animals and their shorter assembly time. <br>

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