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Çѱ¹»ýÅÂÇÐȸ / v.21, no.3, 1998³â, pp.269-276
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±Ý°³±¸¸®(Rana plancyi)ÀÇ ¼Ò¸® À¯Çü°ú ¼ö¿Â¿¡ µû¸¥ ¼Ò¸®º¯È
( The Call Patterns and the Change of Calls by Water Temperature in Rana plancyi (Amphibia, Anura) ) |
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| The study of the Rana plancyi, was done during the calling period at a pond in Osong, Chungbuk, Korea from May to the middle of August of 1996 and 1997. Five basic types of call-A, B, C, D, E, - were identified in Rana plancyi according to the structure of call types. The structure of A type call has only one pulse, B type call has two pulses and C, D type call has one separated pulse which is called introductory call and pulse group as follow it. On the other hand, E type call has 3-6 separate pulses. The interval between introductory call and pulse group is $0.73{pm}0.29$ s(n=159) in C type call and $0.60{pm}0.21$ s (n=48) in D type call. The number of pulses in the pulse group is $30.08{pm}8.69$ in C type call and $15.78{pm}2.40$ in D type call. An increase in water temperature induces a decrease in C and D type call duration (C type call r= -0.4153, p<0.001, D type call r=-0.7064, p<0.001). In case of C and D type call, the interval between introductory call and pulse group influenced more call duration than pulse group duration. We regarded A, B type call as a territorial call and C, D type call as a mating call and we recognized that E type call has the function of threat or alarm. |
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| Call patterns;Water temperature;Rana plancyi; |
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The Korean Journal of Ecology / v.21, no.3, 1998³â, pp.269-276
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811919963199)
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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