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Çѱ¹È¯°æ»ýÅÂÇÐȸ / v.24, no.6, 2010³â, pp.744-750
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Çѱ¹»ê µµ·Õ´¨ÀÇ Æ÷½Ä¾Ð°ú ¼½ÄÁö¿¡ µû¸¥ polyphenism
( The different Polyphenism by the Level of Predation Risk and Habitat in Larval Salamander, Hynobius ieechii ) |
ȲÁöÈñ;Á¤ÈÆ; »ïÀ°´ëÇб³ ´ëÇпø »ý¸í»ê¾÷Çаú Çൿ°úÇבּ¸½Ç;»ïÀ°´ëÇб³ µ¿¹°°úÇкÎ;
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º» ¿¬±¸´Â ¼½ÄÁö¿Í Æ÷½Ä¾Ð¿¡ µû¶ó ¸Ó¸® Å©±â°¡ ¼·Î ´Ù¸£°Ô ³ªÅ¸³ª´Â polyphenism¿¡ ´ëÇÏ¿© Çѱ¹»ê µµ·Õ´¨ À¯»ýÀ» ´ë»óÀ¸·Î ÀÌ·ç¾îÁ³´Ù. Àοջê°ú ¼ö¶ô»ê, °æ±âµµ ±¤ÁÖ¿¡¼ äÁýÇØ ¿Â µµ·Õ´¨ÀÇ ¾Ë(³±«)À» ¼½ÄÁö Ư¼º°ú Æ÷½Ä¾Ð¿¡ µû¶ó 4°¡Áö ±×·ìÀ¸·Î ³ª´©¾ú´Ù. ¼½ÄÁö´Â °è°î Çü°ú ¿õµ¢ÀÌ Çü µÎ ±×·ìÀ¸·Î ³ª´©¾ú°í, Æ÷½Ä¾ÐÀº ³ôÀ½°ú Æ÷½Ä¾Ð ¾øÀ½, µÎ ±×·ìÀ¸·Î ³ª´©¾ú´Ù. Æ÷½Ä¾Ð ¼öÁØÀº ÇÏ·ç¿¡ Æ÷½ÄÀÚÀÇ cue¿¡ ³ëÃâµÈ ºóµµ·Î ³ª´©¾úÀ¸¸ç ³ôÀº ¼öÁØÀº ÇÏ·ç ¼¼ ¹øÀ¸·Î ÇÏ¿´´Ù. Æ÷½Ä cue´Â ¹öµéÄ¡ÀÇ ³¿»õ¸¦ ÃßÃâÇÏ¿© »ç¿ëÇÏ¿´°í, ¾Ë äÁýÀÏ ´ÙÀ½³¯ºÎÅÍ ºÎÈ ÈÄ ÀÏÁÖÀϱîÁö cue¿¡ ³ëÃâ½ÃÄ×´Ù. Chemical cue ³ëÃâ 󸮰¡ ³¡³ª´Â ºÎÈ ÈÄ ÀÏÁÖÀÏÀÌ µÇ´Â ³¯, °¢ µµ·Õ´¨ À¯»ýÀÇ ¸Ó¸® Áß °¡Àå ³ÐÀº ºÎºÐ°ú ´«ÀÌ ÀÖ´Â ºÎºÐÀÇ ±æÀÌ, ±×¸®°í snout-vent length¸¦ ÃøÁ¤ÇÏ¿´´Ù. ´«ÀÌ ÀÖ´Â ºÎºÐÀÇ ±æÀÌ´Â ¸Ó¸® Áß °¡Àå ³ÐÀº ºÎºÐÀ¸·Î ³ª´« ¼öÄ¡¸¦ ÀÌ¿ëÇÏ¿© Åë°è 󸮸¦ ÇÏ¿´À¸¸ç °á°ú´Â ´ÙÀ½°ú °°´Ù. µµ·Õ´¨ À¯»ýÀÇ ¸Ó¸® Å©±â ºñÀ²Àº Æ÷½Ä¾ÐÀÇ ¼öÁØÀÌ ³ôÀ½¿¡ µû¶ó ÀÇ¹Ì ÀÖ°Ô Áõ°¡ÇÏ¿´´Ù. ¶ÇÇÑ °è°îÇü ¼½ÄÁö¿¡ »ç´Â µµ·Õ´¨ À¯»ýÀÇ ¸Ó¸®´Â ¹öµéÄ¡ÀÇ cue¿¡ ¹ÝÀÀÇÏ¿© Æ÷½Ä¾ÐÀÌ ³ôÀ» ¶§ ¸Ó¸® Å©±â ºñÀ²ÀÌ ÀÇ¹Ì ÀÖ°Ô Áõ°¡ÇÏÁö¸¸, ¿õµ¢ÀÌÇü ¼½ÄÁö¿¡ »ç´Â µµ·Õ´¨ À¯»ýÀº ¹«ÀǹÌÇÑ °á°ú°¡ ³ªÅ¸³µ´Ù. ±×¸®°í snout-vent lengthÀÇ ±æÀÌ´Â ¼½ÄÁö¿Í »ó°ü¾øÀÌ ³ôÀº Æ÷½Ä¾Ð¿¡¼ Áõ°¡ÇÏ´Â °æÇâÀÌ ³ªÅ¸³µ´Ù. |
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This study examined the different polyphenism of larval salamander Hynobius ieechii according to two habitats, pond and stream. We collected salamander's eggs from three regions including Mountain Inwang, Surak and Gwangju. Eggs were treated by four different conditions according to predation level and habitat: high risk - which had a predation risk three times a day; low risk - which had no predation risk, pond and stream habitat. Predation risk was conducted by using chemical cue from Chinese minnows. The chemical cue treatment started from the day of collection and ended one week after the hatching. After the treatment phase, we measured the head width at the level of the eyes(HWE) and the largest head width(LHW) and snout-vent length of the each larva. We calculated the ratio of the head size by dividing HWE by LHW and made a comparison with each of the average ratio of head size according to the predation risk. The results showed that there was a significant difference in the ratio of the head size and snout-vent length according to the predation risk and habitat. From these results we found that predation risk and habitat condition can cause the different polyphenism to the larval salamander and these morphological changes could be affect their mortality. |
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Çѱ¹»ê µµ·Õ´¨;µ¿Á¾Æ÷½Ä;Æ÷½Ä¾Ð;µµ·Õ´¨ À¯»ý;KOREAN SALAMANDER;CANNIBALISM;CHEMICAL CUE;SALAMANDER LARVAE;CANNIBAL MORPH; |
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Çѱ¹È¯°æ»ýÅÂÇÐȸÁö / v.24, no.6, 2010³â, pp.744-750
Çѱ¹È¯°æ»ýÅÂÇÐȸ
ISSN : 1229-3857
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201015037856284)
¾ð¾î : ¿µ¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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