Small protection plates against marten predation on nest boxes
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Published source details
Yamaguchi N., Kawano K..M., Yamaguchi Y. & Saito T. (2005) Small protection plates against marten predation on nest boxes. Applied Entomology and Zoology, 40, 575-577.
Published source details Yamaguchi N., Kawano K..M., Yamaguchi Y. & Saito T. (2005) Small protection plates against marten predation on nest boxes. Applied Entomology and Zoology, 40, 575-577.
Actions
This study is summarised as evidence for the following.
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Physically protect nests with individual exclosures/barriers or provide shelters for chicks of songbirds Action Link |
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Physically protect nests with individual exclosures/barriers or provide shelters for chicks of songbirds
A replicated before-and-after study from 1999-2000 in a mixed forest in Kyushu, Japan (Yamaguchi et al. 2005) found that the proportion of nest box broods (unprotected nest boxes were predated in 2006 either, but that these were all further away (>300 of varied tits Parus varius and great tits P. major) predated by Japanese martins Martes melampus fell from 12% (92 broods) to 2% (118 broods) and the overall success rate of nests increased from 29% to 44% following the installation of small wooden blocks directly below the entrance hole of the nest boxes in 2000. Overall predation rates fell from 46% to 28% and the number of broods lost to birds fell from three to zero (although this was not significant). The number of broods lost to snakes did not change between years.
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