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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.27, no.1, 2009³â, pp.20-30
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û¿ø±º¿¡ ¼ÒÀçÇÑ ±Ý°³±¸¸®(Rana plancyi chosenica) °³Ã¼±ºÀÇ ¹ø½Äµ¿ÅÂ
( Reproductive Dynamics of the Gold-spotted Pond Frog (Rana plancyi chosenica) Population Located at Cheongwon, Korea ) |
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| ȯ°æºÎÁöÁ¤ ¸êÁ¾À§±â II±Þ Á¾ÀÎ ±Ý°³±¸¸® (Rana plancyi chosenica)ÀÇ ¹ø½Ä»ýŸ¦ ¿¬±¸Çϱâ À§ÇÏ¿© ÃæºÏ û¿ø±º Àå³»¸é¿¡ À§Ä¡ÇÏ´Â ¹¬³íÇü ½ÀÁö¿¡ ÀÖ´Â ±Ý°³±¸¸® °³Ã¼±ºÀ» 2007³â 4¿ùºÎÅÍ 2008³â 11¿ù±îÁö ÃÑ 207ÀÏ¿¡ °ÉÃļ, ¸ðÀ½´ãÀå°ú ÁÖ¸Ó´ÏÇÔÁ¤À» ¼³Ä¡ÇÏ¿© ¸ð´ÏÅ͸µÀ» ½Ç½ÃÇÏ¿´´Ù. ±Ý°³±¸¸®µéÀº º½Ã¶ 4¿ù 20ÀϺÎÅÍ 6¿ù 13ÀÏ »çÀÌ¿¡ ¹ø½ÄÁö·Î À̵¿ÇÏ¿´À¸¸ç, °¡À»Ã¶ µ¿¸éÁö À̵¿Àº 9¿ù 21ÀϺÎÅÍ 11¿ù 16ÀÏ »çÀÌ¿¡ ÀϾ´Ù. ¼½ÄÁö ³» ¿Ü·ÎÀÇ À̵¿Àº 2007³â°ú °¡À» À̵¿°ú 2008³â º½ À̵¿ ½Ã °øÈ÷ °¼ö¿Í ³ôÀº ¾çÀÇ »ó°üÀ» º¸¿´Áö¸¸, ±â¿Â, ¼ö¿Â, »ó´ë ½Àµµ¿Í´Â À¯ÀǹÌÇÑ »ó°ü°ü°è¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. ±Ý°³±¸¸®µéÀº À̵¿ ½Ã ÁÖ·Î ³íÀÇ ¾ð´öÀ̳ª ¹¬³í°ú ¿¬°áµÈ À̵¿°æ·Î¸¦ ´Ù¸¥ °æ·Îº¸´Ù ¼±È£ÇÏ¿© »ç¿ëÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¹ø½ÄÁö ³» ¿Ü·ÎÀÇ À̵¿¼ø¼¿Í °³Ã¼ÀÇ ½Åü ¿ä¼Ò¿Í´Â 2007³â º½¿¡´Â ¹ø½ÄÁö ³» ¿Ü·ÎÀÇ À̵¿¼ø¼¿Í °³Ã¼ÀÇ ¸ö±æÀÌ(snout-vent length)¿Í ¾çÀÇ »ó°üÀ» º¸¿´À¸¸ç, À̵¿¼ø¼¿Í ¸ö¹«°Ô¿Í´Â 2008³â º½À» Á¦¿ÜÇÑ ¸ðµç °æ¿ì¿¡ ¾çÀÇ »ó°üÀ» º¸¿©, ÀÛÀº °³Ã¼µéÀÌ ¸ÕÀú ÃâÇöÇÏ°í ¸ÕÀú µ¿¸éÁö·Î ÀÌÁÖÇÏ´Â °æÇâÀ» º¸¿´´Ù. ±Ý°³±¸¸® ¾ÏÄÆÀº ¼öÄÆ¿¡ ºñÇÏ¿© À¯ÀǹÌÇÏ°Ô Å« °ÍÀ¸·Î È®ÀεǾúÀ¸¸ç, °¡À»Ã¶ µ¿¸éÁö ÀÌÁÖ ½Ã 20mm SVL Å©±â ÀÌÇÏÀÇ ÀÛÀº °³Ã¼µéÀÇ ¼ö°¡ 2007³â, 2008³â °øÈ÷ ¼ÒÆø Áõ°¡ÇÏ¿©, °³Ã¼±º ³»¿¡ ¼º°øÀûÀÎ ¹ø½ÄÀÌ ÀϾ°í ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. ÀÌ·¯ÇÑ ¿¬±¸°á°ú´Â ±Ý°³±¸¸® ¾ß¿Ü °³Ã¼±ºÀ» º¸Á¸ÇÏ´Â ±âÃÊÀÚ·á·Î Ȱ¿ëÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù. |
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| To study reproductive dynamics of a Gold-spotted pond frog (Rana chosenica) population located at Gangnae, Cheongwon, Chungbuk, Korea, we monitored the population over 207 days between April 17$^{th}$ 2007 and December 18$^{th}$ 2008 using a drift fence accompanied with 20 pitfall traps. The population was located in an agricultural wetland, compromising three small ponds. Gold-spotted pond frogs immigrated into the wetland between April 16$^{th}$ and June 17$^{th}$ and emigrated from the wetland between September 21$^{st}$ and November 12$^{th}$. Precipitation showed a positive correlation with the number of migrated frogs in Autumn 2007 and Spring 2008, but other environmental factors such as air and water temperatures and relative humidity did not show any significant relationships. In general, small frogs first migrated into and from the wetland, but the trend was not strong. Female gold-spotted pond frogs were bigger than males. During the autumn migration, small frogs of which snout-vent length was smaller than 20 mm were found, indicating that successful breeding occurred in the population. Our results could be useful to conserve this endangered species in Korea. |
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| Ű¿öµå |
| Gold-spotted pond frog;breeding season;reproductive dynamics;endangered species;migration; |
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ȯ°æ»ý¹° / v.27, no.1, 2009³â, pp.20-30
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200920258463360)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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