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KMID : 1024520170260070817
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Journal of the Environmental Sciences
2017 Volume.26 No. 7 p.817 ~ p.826
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Changes in Habitat Use by Female Japanese Pipistrelles (Pipistrellus abramus) during Different Stages of Reproduction Revealed by Radio Telemetry
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Chung Chul-Un
Kim Sung-Chul
Jeon Young-Shin
Han Sang-Hoon
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Abstract
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We analyzed how foraging area use changed in female Pipistrellus abramus during the breeding season. Radio tracking was used to follow 12 female P. abramus in Gyeongju City, from 2013 to 2015. We followed three bats in each of four stages of reproduction: early pregnancy, late pregnancy, lactation, and post-lactation. Our data showed that the usable area of a foraging site and the area that was actually used by bats in that site were different, and foraging site use also differed according to stage of reproduction. The bats used arable land the most, with use rates of 57%, 40.4%, and 73.2% during early pregnancy, late pregnancy, and lactation, respectively. Bats in a post-lactation state did not use arable areas at all and instead foraged over bodies of water 90% of the time. There was no difference in the use of each foraging environment between bats in early pregnancy and late pregnancy. However, bats in late pregnancy and those that were lactating did use arable land to different extents, and bats that were lactating and those that were post-lactation also used arable land and bodies of water to different extents.
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KEYWORD
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Foraging, Habitat preference, Pipistrellus abramus, Radio tracking
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