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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Ja-Kyeong (Department of Biology, Kangwon National University) Lee, Jung-Hyun (Department of Biology, Kangwon National University) Ra, Nam-Yong (Department of Biology, Kangwon National University) Lee, Heon-Ju (Department of Biology, Kangwon National University) Eom, Jun-Ho (Division of Science Education, Kangwon National University) Park, Dae-Sik (Division of Science Education, Kangwon National University)
저널정보
한국통합생물학회 Animal cells and systems Animal cells and systems 제13권 제1호
발행연도
2009.1
수록면
71 - 78 (8page)

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초록· 키워드

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To clarify the reproductive function of vibration signals in Hynobius, which has externally fertilized eggs, we quantitatively analyzed the body and tail undulations of male Korean salamanders (Hynobius leechii) in sixteen mating events. One large and one small male, and one female were used in each mating event. We analyzed behaviors recorded over a total of 3 hrs for each mating event; 2 hrs before and 1 hr after female's oviposition. Males touched females using their snouts or body trunk throughout the entire mating periods, but females touched males increasingly more after approximately 1 hr before oviposition. Males conducted body undulations more than 50 times per 10 minutes at a mean frequency of 0.64 Hz. Large males conducted more body undulations than small males, particularly on the tree twig where females attached their egg sacs. Males responded to other males' body undulation throughout the mating period by orienting their head towards, approaching, and touching the undulating male. Females only responded for about 10-20 min before ovipositing, and most responses were directed to the large male's body undulation. Males conducted tail undulations 3.0 times per 10 min at a mean frequency of 1.7 Hz and most tail undulations occurred after one male bit the other male. These results suggest that body undulations function in both male-female and male-male interactions, while tail undulations mainly functions in male-male competition. Also, male H. leechii appear to actively attract females, while females respond to the males only at times close to oviposition.

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