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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.6, 2009³â, pp.481-491
¿ë´ã´ï ÇÏ·ùÀÇ ÇÏõ°Ç°­¼º Æò°¡ ¹× ¾î·ù ¼­½Äó¸¦ °í·ÁÇÑ ÃÖÀû »ýÅÂÀ¯·® »êÁ¤
( Assessment of Riverine Health Condition and Estimation of Optimal Ecological Flowrate Considering Fish Habitat in downstream of Yongdam Dam )
ÇãÁØ¿í;±èÁ¤°ï; Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸¼Ò ÇÏõȯ°æÆÀ;Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸¼Ò ÇÏõȯ°æÆÀ;
 
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±Ý°­¼ö°èÁß ¿ë´ã´ïÇÏ·ù ¾Õ¼¶ ÁöÁ¡¿¡¼­ »ýÅÂÀ¯·®À» »êÁ¤Çϱâ À§ÇÑ »ýÅ ¸ð´ÏÅ͸µÀ» ½Ç½ÃÇÏ¿© ¾î·ùÁ¾º° ¼­½Äȯ°æ Ư¼ºÁ¶»ç¸¦ Æ÷°ýÀûÀ¸·Î ½Ç½ÃÇÏ¿´´Ù. À̸¦ ¹ÙÅÁÀ¸·Î ¾î·ù»ó, »ó´ëdzºÎµµ ¹× »ý¹°´Ù¾çµµ ºÐ¼® µîÀ» Æ÷ÇÔÇÑ ÇÏõÀÇ °Ç°­¼º Æò°¡¸¦ ½Ç½ÃÇϰí, ½¬¸®, ÇǶó¹Ì ¹× °¨µ¹°í±â µî¿¡ ´ëÇÏ¿© ÀÛ¼ºÇÑ ¼­½ÄóÀûÇÕµµ Áö¼ö(HSI)¿Í ¹°¸®Àû ¼­½Äó ¸ðÀǽýºÅÛ(PHABSIM)À» ÀÌ¿ëÇÑ ÃÖÀû »ýÅÂÀ¯·®À» »êÁ¤ÇÏ¿´´Ù. º» ÁöÁ¡¿¡¼­ äÁýµÈ Á¾¼ö´Â 20Á¾ÀÌ¿´À¸¸ç, ¿ìÁ¡Á¾Àº ½¬¸®(22.4%), ¾Æ¿ìÁ¡Á¾Àº ÇǶó¹Ì(22.0%)¿´´Ù. »ýÅÂÀû °Ç°­¼ºÀº 50Á¡ ¸¸Á¡ÀÇ Æò°¡Á¡¼ö¿¡¼­ $34{sim}42$Á¡À¸·Î ¾çÈ£¿¡¼­ ÁÁÀº »óÅ·Π³ªÅ¸³µ´Ù. 3Á¾ÀÇ ´ëÇ¥¾îÁ¾¿¡ ´ëÇÑ ¼ö½É, À¯¼Ó ¹× ÇÏ»óÀç·á¿¡ ´ëÇÑ ¼­½ÄÁöÀûÇÕµµ Áö¼ö¸¦ ¹°¸®Àû¼­½Äó ¸ðÀǽýºÅÛ¿¡ Àû¿ëÇÑ °á°ú °èÀýº°·Î À¯·®ÀÇ Â÷À̸¦ º¸¿´À¸¸ç, 3Á¾¿¡ ´ëÇÑ ÃÖÀû »ýÅÂÀ¯·®Àº 9.0 cms·Î ÃßÁ¤ÇÏ¿´´Ù.
In this study, a comprehensive field monitoring was conducted to understand habitat conditions of fish species in the upper Geum river. Based on the monitoring data, riverine health conditions such as composition ratio of fish species, richness and dominance indexes, bio-diversity (dominance index, diversity, evenness and richness), and index of biological integrity were assessed, and optimal ecological flowrates were estimated using the habitat suitability indexes established for three fish species Coreoleuciscus splendidus, Zacco platypus and Pseudopungtungia nigra selected as icon species using the physical habitat simulation system (PHABSIM). The total number of species sampled was 20 species, and two sensitive species of C. splendidus (22.4%) and Z. platypus (22.0%) dominated the fish community. The estimated IBI values ranged from 34 to 42 with average being 38 out of 50, rendering the site ecologically fair to good health conditions. An optimal ecological flowrate of 9.0 cms was recommended for the representative fish species at the site.
 
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¾î·ù¼­½Äó;°Ç°­¼º Æò°¡;»ýÅÂÀ¯·®;fish habitat;health assessment;ecological flow;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.6, 2009³â, pp.481-491
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200918839962059)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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