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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.19, no.4, 2001³â, pp.261-269
»ý¹°º¸ÀüÁö¼ö(Index of Biological Integrity)ÀÇ ½Å¼ÓÇÑ »ý¹°Æò°¡ ±â¹ýÀ» ÀÌ¿ëÇÑ °©Ãµ ¼ö°èÀÇ Æò°¡
( Rapid Bioassessments of Kap Stream Using the Index of Biological Integrity )
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º» ¿¬±¸´Â ÇÏõ ¼öȯ°æ Æò°¡±â¹ýÀÇ ÀÏȯÀ¸·Î multimetric Á¢±Ù¹æ½ÄÀÎ »ý¹°º¸ÀüÁö¼ö(Index of Biological Integrity, IBI)ÀÇ Àû¿ë¹æ¹ýÀ» µµÀÔÀ» ¸ñÀûÀ¸·Î ÇÏ¿´´Ù. ±¹³»¿¡¼­ IBIÆò°¡¸¦ À§ÇØ Karr(1981)°¡ Á¦½ÃÇÑ 12°³ ¸ÞÆ®¸¯ ´ë½Å 11°³ ¸ÞÆ®¸¯À» Àû¿ëÇÏ¿´À¸¸ç, 11°³ Áß 5°³ ¸ÞÆ®¸¯Àº ±¹³» ¼öȯ°æ Ư¼º¿¡ ¸Â°Ô º¯ÇüÇÏ¿© Àû¿ëÇÏ¿´´Ù. º» Æò°¡±â¹ýÀÇ Àû¿ëÀ» À§ÇØ ¼±Á¤µÈ °©Ãµ¿¡¼­ Æò±Õ IBI°ªÀº 36(¹üÀ§:17${sim]$49, n=5)À¸·Î¼­ fair»óŸ¦ º¸¿´À¸³ª, Á¶»çÁöÁ¡ º° »ó´çÇÑ Â÷À̸¦ º¸¿´´Ù. Á¦ 1,2,3ÁöÁ¡¿¡¼­ IBI°ªÀº 49, 45¹× 41·Î¼­ °¢ ÁöÁ¡º° Æò°¡µî±ÞÀº good${sim]$excellent, good¹× fair»óÅ·ΠºÐ·ùµÈ ¹Ý¸é, Á¦ 4ÁöÁ¡ ¹× 5ÁöÁ¡¿¡¼­ IBI°ªÀº °¢°¢ 17¹× 29·Î¼­ very poor¹× poor»óÅ·ΠÆÇ¸íµÇ¾ú´Ù. Á¦ 4ÁöÁ¡¿¡¼­ º¸ÀÎ ÃÖ¼Ò IBI°ªÀº Æó¼öó¸®Àå ¹èÃâ¼öÀÇ Á÷Á¢ÀûÀÎ ¿µÇâ ¶§¹®À¸·Î »ç·áµÇ¾ú´Ù. ÀÌ·± ¼öȯ°æÀÇ ÁúÀû ¾ÇÈ­´Â 4ÁöÁ¡¿¡¼­ ³»¼ºÁ¾¿ìÁ¡(50%), Àâ½Ä¼ºÁ¾ ¿ì¼¼(50%)¹× ºñÁ¤»ó¾î ÃâÇöÀ² Áõ°¡(43%)¸¦ °¡Á®¿Ô´Ù. ÇÑÆí, Á¦4ÁöÁ¡À¸·ÎºÎÅÍ ¾à 5kmÇÏ·ù¿¡ À§Ä¡ÇÑ Á¦5ÁöÁ¡¿¡¼­ IBI°ªÀº 4ÁöÁ¡¿¡¼­ ºñÇØ ¶Ñ·ÇÇÑ Áõ°¡¸¦ º¸¿´´Âµ¥, ÀÌ´Â Á¡ ¿À¿°¿øÀ¸·ÎºÎÅÍ ¸Ö¾îÁö¸é¼­ ¼öÁúÀÇ È¸º¹¿¡ µû¸¥ IBI°ªÀº Áõ°¡·Î¼­ »ç·áµÈ´Ù. º» Æò°¡ ±â¹ýÀº ºü¸£°Ô ¾ÇÈ­µÇ´Â ¼öȯ°æÀÇ Çö »óŸ¦ »ý¹°ÀÔÀå¿¡¼­ ÆÄ¾ÇÇÒ ¼ö ÀÖÀ» »Ó¸¸ ¾Æ´Ï¶ó, ÇÏõ º¹¿øÀÇ °æ¿ì ¸ñÇ¥ ¼³Á¤¿¡ Áß¿äÇÑ ¿ªÇÒÀ» Çϸç, ´Ù¾çÇÑ º¹¿ø ÀÛ¾÷ÈÄ(¿¹, Á¡¿À¿°¿ø Â÷´Ü, ÇÏõ ÇÏ»ó±¸Á¶ÀÇ º¹¾ð, ¼öº¯½Ä¹°Á¶¼º µî)¼öÁß »ýŰè ȸº¹ ¿©ºÎ¸¦ ÆÇº° ÇÒ ¼ö ÀÖ´Â ÇÙ½ÉÀûÀÎ µµ±¸·Î ÀÌ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù. ¼ö ÀÖ´Ù..83${sim}$5.27Kb·Î ÃßÁ¤µÈ´Ù.ÇÏ´Â $30^{circ}$ À§µµ´ë¿¡¼­ ³·¾ÒÀ¸³ª(r<0.6) ±× ¿ÜÀÇ Áö¿ª¿¡¼­´Â ´ëü·Î ³ô¾Ò´Ù(r>0.6). Çѹݵµ ºÎ±Ù¿¡¼­ ÇϺΠ¼ºÃþ±Ç ¿ÂµµÀÇ ³Ã°¢È­ °æÇâÀº ¸ðµç ÀÚ·á¿¡¼­ °øÅëÀûÀ¸·Î ³ªÅ¸³µ´Ù. ÀÌ·¯ÇÑ Ãß¼¼´Â SC4(-0.82K/decade)¿¡¼­ °¡Àå ÄÇÀ¸¸ç, MSU4(-0.38K/decade), GEOS(-0.28K/decade), ECMWF(-0.07K/decade) ¼øÀ¸·Î ³ªÅ¸³µ´Ù.Ãþ°ú ¼ö¿Â ¾àÃþÀÇ ÀǹÌ, ¿Â´ëÀú±â¾Ð Åë°ú ÀüÈÄÀÇ ³¯¾¾ º¯È­À̸ç, Áö±¸°úÇÐ II ¿¡¼­´Â ´ÞÀÇ À§»ó°ú À§Ä¡º¯È­, È­¼º¾ÏÀÇ ±¸¼º±¤¹° ${cdot}$ È­ÇÐÁ¶¼º ${cdot}$ Á¶Á÷ º¯È­¿Í ¸¶±×¸¶ ºÐÈ­ ¹× dzȭ¿ÍÀÇ °ü°è, ÁöÁøÆÄ Áֽð, ´ë±â¼øÈ¯ÀÇ Á¾·ù¿Í ±Ô¸ð, ÇØÆÄ, È¥ÇÕÃþ°ú ¼ö¿Â ¾àÃþ, ¼­¾È°­È­ Çö»ó, Ç༺ÀÇ À§Ä¡¿Í ¿îµ¿, H-Rµµ»ó¿¡¼­ÀÇ º°ÀÇ Æ¯¼º°ú ÁøÈ­ µîÀÌ´Ù. ޱ¸ °úÁ¤¿¡ ´ëÇÑ ÇлýÀÇ ¼ºÃëµµ´Â ºñ±³Àû ³ôÀ¸¹Ç·Î ÀÌÇØµµ°¡ »ó´ëÀûÀ¸·Î ³·Àº ¿µ¿ª¿¡ ´ëÇØ ÇлýÀÇ ¿À´ä À¯ÇüÀ» Âü°íÇÏ¿© ±âº» °³³ä Áöµµ¿¡ º¸´Ù °ü½ÉÀ» ±â¿ïÀÏ Çʿ䰡 ÀÖ´Ù.CrÀº FW¿¡¼­ Àü¹ÝÀûÀ¸·Î °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´Áö¸¸ SW¿¡¼­´Â ½ÇÇè Ãʱ⿡ °¨¼ÒÇÏ´Ù 24½Ã°£ ÀÌÈÄ¿¡´Â Áõ°¡ ÈÄ ÀÏÁ¤ÇÑ ¾ç»óÀ» º¸¿´´Ù. PbÀº FW¿¡¼­ Àü¹ÝÀûÀ¸·Î °¨¼ÒÇßÁö¸¸ SW¿¡¼­´Â Ãʱ⿡ ±Þ°ÝÈ÷ Áõ°¡ ÈÄ ´Ù½Ã ±Þ°ÝÈ÷ °¨¼ÒÇÏ´Â ¾ç»óÀ» º¸¿´´Ù Pb ¶ÇÇÑ Cu, Cd, As¿Í ¸¶Âù°¡Áö·Î SW1&2¿¡¼­ Á¦°Å¼Óµµ°¡ °¡Àå ºü¸£°Ô ³ªÅ¸³µ´Ù. FW »óÃþ¼ö Áß Hg´Â ½Ã°£¿¡ µû¶ó ±Þ°ÝÈ÷ °¨¼ÒÇß°í, Á¦°Å¼Óµµ´Â Fw5&6¿¡¼­ °¡Àå ´À·È´Ù. ÀÌ·¯ÇÑ °á°ú¿¡ ±Ù°ÅÇÒ ¶§ º­°¡ ÀÚ¶ó°í ÀÖ°í À̺ÐÇØ¼º À¯±â¹°ÀÌ Ç³ºÎÇÑ FW1&2, FW3&4 Åä¾ç°ú »ó
The purpose of present study was to introduce a multimetric approach, so called the Index of Biological Integrity (IBI) as a tool for evaluations of water environments. We used 11 metric systems for the IBI to evaluate stream conditions, based on the fish community, and modified 5 original metric attributes suggested by Karr (1981). Overall IBI values in Kap Stream averaged 36 (n = 5) and ranged 17${sim}$49, indicating a 'fair condition' according to the modified criteria of Karr (1981) and U.S. EPA (1993). However, there were distinct differences in the IBI values among 5 study sites. The IBI values at sites 1, 2, and 3 were 49, 45, and 41, which indicated 'good${sim}$excellent', 'good', and 'fair' condition, respectively, while values at sites 4 and 5 were 17 and 29, which indicated 'very poor' and 'poor', respectively. The minimum IBI at site 4 was probably due to continuous inputs of wastewater from wastewater disposal plants. The condition at site 4 resulted in predominance of tolerant species (50%), omnivore species (50%), and high abnormalies (43%). In the mean time, the IBI value at site 5, located near 5km downstream from the site 4, increased compared to that of site 4, and this seemed to be a result of recovery of water quality as the polluted water goes downward. We believe that present bioassessment methodology of IBI applied in this study may be used as a key tool to set up specific goals for stream restoration plans and dentify recovery levels of lotic ecosystems after restoration activities(i.e., prevention of point-source pollutant input, restoration of physical habitats, construction of riparian vegetation) as well as a biological measure diagnosing current stream conditions.
 
Ű¿öµå
IBI;biological integrity;bioassessment;fish community;stream health;
 
ȯ°æ»ý¹° / v.19, no.4, 2001³â, pp.261-269
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200120417581345)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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