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Çѱ¹È¯°æ»ýÅÂÇÐȸ / v.22, no.6, 2008³â, pp.625-631
³«µ¿°­ Çϱ¸¿¡¼­ ¼ö¸é¼º¿À¸®·ù(Anas spp.)ÀÇ Àå±âÀû µµ·¡ ÇöȲ
( Understanding the Visitation Aspect of Dabbling Ducks (Anas spp.) in the Long Period at Nakdong Estuary, Busan, Republic of Korea )
ÀÌÀμ·;È«¼øº¹; °æ¼º´ëÇб³ »ý¹°Çаú;°æ¼º´ëÇб³ ±âÃʰúÇבּ¸¼Ò;
 
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º» ¿¬±¸´Â 1990³â´ë Àü¹Ý±â(1989³â 5¿ù$sim$1993³â 4¿ù)ÀÇ ÀÚ·á¿Í 2000³â´ë Á߹ݱâ(2002³â 5¿ù$sim$2006³â 4¿ù)ÀÇ ÀڷḦ ºÐ¼®ÇÏ¿© ³«µ¿°­ Çϱ¸¿¡¼­ ¼ö¸é¼º ¿À¸®·ù(Dabbling Ducks; Anas spp.)ÀÇ Àå±âÀû µµ·¡ ÇöȲÀ» ÆÄ¾ÇÇϰíÀÚ ÇÏ¿´´Ù. Á¶»ç±â°£(1989³â5¿ù$sim$1993³â4¿ù, 2002³â5¿ù$sim$2006³â4¿ù, ÃÑ 8Â÷³âµµ)¿¡ °üÂûµÈ ¼ö¸é¼º¿À¸®·ù Áß Ã»µÕ¿À¸®¼Ó(Anas spp.)Àº ÃÑ 11Á¾ 356,100°³Ã¼À̾ú´Ù. 1990³â´ë Àü¹Ý±â(1989³â$sim$1993³â)¿Í 2000³â´ë Á߹ݱâ(2002³â$sim$2006³â)±îÁö Á¶»çÇÑ Ã»µÕ¿À¸®¼Ó(Anas spp.)µéÀÇ °³Ã¼¼öÀÇ ¿ùÆò±Õ °ªÀº 1990³â´ë Àü¹Ý±â¿¡´Â 10¿ùºÎÅÍ Á¡ÁøÀûÀ¸·Î °³Ã¼¼ö°¡ ´Ã¾î³ª 11¿ù¿¡ °¡Àå ¸¹Àº °³Ã¼¼ö¸¦ °üÂûÇÒ ¼ö ÀÖ¾úÀ¸¸ç, 2000³â´ë Á߹ݱ⿡´Â 10¿ù¿¡ °¡Àå ¸¹Àº °³Ã¼¼ö¸¦ °üÂûÇÏ¿´´Ù. ¶ÇÇÑ ¿ùº° °³Ã¼¼ö Æò±Õµµ 1990³â´ëº¸´Ù2000³â´ë°¡ ¾à 2, 3¹è ÀÌ»óÀ» ³ªÅ¸³»¾ú´Ù. 1990³Í´ë Àü¹Ý±â Á¶»ç¿Í 2000³â´ë Á߹ݱâ Á¶»ç °á°ú¸¦ T-°ËÁ¤À» ½Ç½ÃÇÑ °á°ú 11¿ùºÎÅÍ 2¿ù±îÁöÀÇ °ÍÀÌ 5% ¼öÁØ¿¡¼­ À¯ÀÇÇÑ °ÍÀ¸·Î ³ªÅ¸³ª 11¿ùºÎÅÍ 2¿ù±îÁöÀÇ °³Ã¼¼öµéÀº Å« Â÷À̰¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ä½ÄÁö¿Í ÈÞ½ÄÁö°¡ ´Ù¸¥ ¿À¸®·ù´Â ³«µ¿°­ Çϱ¸¸¦ ÈÞ½ÄÁö·Î ³«µ¿°­ »ó·ù¸¦ ä½ÄÁö·Î ÇÏ´Â Á¶·ù·Î¼­, ä½ÄÁö¿Í ÈÞ½ÄÁö°¡ ºÐ¸®µÈ ÃæºÐÇÑ °ø°£ÀÌ Çü¼ºµÇ¾î¾ß¸¸ ´Ù¾çÇÏ°í ¸¹Àº °³Ã¼µéÀÌ ¿ùµ¿¿¡ ÇÊ¿äÇÑ ÃæºÐÇÑ ±â°£À» °¡Áú ¼ö ÀÖÀ¸¹Ç·Î °æÀÛÁöÀÇ º¸Á¸ÀÌ ¹«¾ùº¸´Ù Áß¿äÇÑ ½ÇÁ¤ÀÌ´Ù. ³«µ¿°­ Çϱ¸¿Í ÀÎÁ¢ÇØ ÀÖ´Â ÁÖº¯ÀÇ ³í°ú ¹çÀº ¿À¸®·ùÀÇ ¼­½ÄÁö·Î ÀÌ¿ëµÇ´Â °ø°£À̹ǷΠ°æÀÛÁö¿¡ ´ëÇÑ Ã¶ÀúÇÑ °ü¸®¿Í ºÎ»ê±¤¿ª½Ã °­¼­±¸Ã»¿¡¼­ ½ÃÇàÇϰí ÀÖ´Â »ý¹°´Ù¾ç¼º°ü¸®°è¾àÁ¦µµ¸¦ È®´ëÇÏ¿© ÀÌ·¯ÇÑ ³óÁö°¡ Áö¼ÓÀûÀ¸·Î º¸Á¸µÇ¾î¾ß ÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
We used the visitation aspect of dabbling ducks(Anas spp.) to investigate the estuarine ecosystem of Nakdong River and to compare the data collected during two periods: trom May, 1989 to April 1993 and from May, 2002 to April 2006. Over for the 8 years of field surveys, 356,110 individuals from 11 species of dabbling ducks(Anas spp.) were observed in the Nakdong estuary. In the early 1990s, the average number of species gradually increased from October through November, whereas the highest numbers of species were recorded in October during the second survey period. The average number of individuals recorded during the second period was 2-3 times higher than that observed in the 1990s. Statistical analysis using a t-test indicated that the number of individuals showed significant difference at 5% level between November and February in both the early 1990s and the mid-2000s. During the winter, dabbling ducks select both estuarine wetlands as resting sites and rice paddy as feeding sites. More wintering migrants including ducks would visit to Nakdong river if we provide with enough rice paddy near the estuary. The farmland around Nakdong estuary is used by dabbling ducks as a habitat, we hope it must be conserved thoroughly. CRP(crop reserve program), implemented by the local government of Kangseo-gu, Busan City is effective in conserving rice paddy; therefore, the CRP program need to be continuously applied in the Nakdong river basin.
 
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Çѱ¹È¯°æ»ýÅÂÇÐȸÁö / v.22, no.6, 2008³â, pp.625-631
Çѱ¹È¯°æ»ýÅÂÇÐȸ
ISSN : 1229-3857
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807653005287)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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