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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.2, 2006³â, pp.198-208
»ý¹°ÇÐÀû ´Ùº¯¼ö ¸ðµ¨ Àû¿ë ¹× ¼öÈ­ÇÐ ºÐ¼®¿¡ ÀǰÅÇÑ °©Ãµ»ýÅÂ°è Æò°¡
( Stream Ecosystem Assessments, based on a Biological Multimetric Parameter Model and Water Chemistry Analysis )
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º» ¿¬±¸´Â ¾î·ù¸¦ ÀÌ¿ëÇÑ »ý¹°ÇÐÀû ¼öȯ°æ Æò°¡±â¹ý Áï, '»ý¹°ÅëÇÕÁö¼ö'¶ó ºÒ¸®´Â ´Ùº¯¼ö ¸ðµ¨±â¹ýÀ» Àû¿ëÇÏ´Â °ÍÀÌ´Ù. º» ¿¬±¸¸¦ À§ÇÏ¿© 2004³â 8¿ù ${sim}$ 2005³â 9¿ù±îÁö °©Ãµ¿¡¼­ 5°³ ÁöÁ¡À» ¼±Á¤ÇÏ¿© Á¶»çÇÏ¿´´Ù. ¶ÇÇÑ »ý¹°ÇÐÀû ÀÚ·á¿Í ÇÔ²² ȯ°æºÎ¿¡¼­ Á¦°øµÇ´Â Àå±â°£ÀÇ ¼öÁøÀÚ·á¿Í ¹°¸®Àû ¼­½ÄÁö Æò°¡ °á°ú¸¦ ºñ±³ÇÏ¿´´Ù. ¾î·ù ±ºÁý¿¡ ±â¹ÝÀ¸·Î ÇÑ ÇÏõÀÇ »ý¸ôÇÐÀû °Ç°­µµ Æò°¡¸¦ À§ÇÏ¿© Karr(1981)°¡ Á¦½ÃÇÑ 12¸ÞÆ®¸¯ ¸ðµ¨À» ±¹³» ½ÇÁ¤¿¡ ¸Â°Ô 10¸ÞÆ®¸¯ ¸ðµ¨·Î º¯ÇüÇÏ¿© Àû¿ëÇÏ¿´´Ù. US EPA(1993)¿Í Karr(1981)ÀÇ ±âÁØ¿¡ µû¸£¸é °©ÃµÀÇ Æò±Õ »ý¹°ÇÐÀû °Ç°­µµ Áö¼ö´Â 24.0 (¹üÀ§: 20 ${sim}$ 30, n=5)À¸·Î º¸µ¿${sim}$¾ÇÈ­ »óŸ¦ ³ªÅ¸³»¾ú´Ù. À帶±â°£¿¡ Á¶»çµÈ 4Â÷ Á¶»ç¸¦ Á¦¿ÜÇÑ ³ª¸ÓÁö Á¶»ç Áß »ó·ùºÎ(SI~S3)¿Í ÇÏ·ùºÎ(S4, S5)ÀÇ Æò±Õ »ý¹°ÇÐÀû °Ç°­µµ Áö¼ö´Â 26.0${sim}$24.0À¸·Î ³ªÅ¸³­ ¹Ý¸é 4Â÷ Á¶»ç´Â »ó·ùºÎ¿Í ÇÏ·ùºÎ°¡ °¢°¢ 21.0°ú 20.0À» ±â·ÏÇÏ¿´´Ù. ÀÌ´Â À帶·Î ÀÎÇÑ ±³¶õÇö»óÀ» ½Ã»çÇÏ¸ç ¶ÇÇÑ ÇÏ·ùºÎº¸´Ù´Â »ó·ùºÎ°¡ À帶ÀÇ ¿µÇâÀ» ½ÉÇÏ°Ô ¹Þ´Â °ÍÀ» ¾Ë ¼ö ÀÖ´Ù. ¹°¸®Àû ¼­½ÄÁö Æò°¡ Áö¼ö´Â 75(º¸Åë)${sim}$148(¾çÈ£)»óŸ¦ º¸¿´´Ù. 53Àº 75Á¡À» ±â·ÏÇÏ¿© ´Ù¸¥ ÁöÁ¡¿¡ ºñÇÏ¿© »ó´çÈ÷ ³·Àº ¼öÄ¡(P=0.001, n=5)¸¦ º¸¿´À¸¸ç »ý¹°ÇÐÀû °Ç°­µµ Æò°¡ Áö¼ö ¿ª½Ã 24¸¦ ±â·ÏÇÏ¿© »ó´çÈ÷ ³·Àº ¼öÄ¡¸¦ º¸¿´´Ù. »ý¹°ÇÐÀû »ê¼Ò¿ä±¸·®, È­ÇÐÀû »ê¼Ò¿ä±¸·®, ÃÑÀÎ, ÃÑÁú¼ÒÀÇ ³× Ç׸ñÀº »ó·ù¿¡ ºñÇÏ¿© ÇÏ·ù¿¡¼­ 3${sim}$8¹è °¡¶û »ó½ÂÇÏ¿´À¸¸ç, ÀÌ´Â »ý¹°ÇÐÀû°Ç°­µµ Áö¼ö°¡ ÀÌ ${cdot}$ È­ÇÐÀû ¼öÁú°ú ¹°¸®Àû ¼­½ÄÁö¸¦ ¸ðµÎ ¹Ý¿µÇÏ´Â °á°ú¶ó »ç·áµÇ¾ú´Ù. ÀÌ¿Í °°Àº ÀÌÀ¯·Î »ý¹°ÇÐÀû°Ç°­µµ Æò°¡±â¹ýÀº ÇÏõ»ýŰ踦 ÇöÀ縦 Áø´ÜÇÏ´Â °Í»Ó¸¸ÀÌ ¾Æ´Ï¶ó ³ª¾Æ°¡¼­ ÇÏõ»ýŰè¿Í ¼öÁúÀ» ȸº¹Çϴµ¥ Çٽɵµ±¸·Î ¿©°ÜÁø´Ù.
This research was to apply a multi-metric approach, so called the Index of Biological Integrity (IBI) as a tool for biological evaluations of water environments, to a wadable stream. For the study, we surveyed 5 sampling locations in Kap Stream during August 2004 ${sim}$ September 2005. We also compared the biological data with long-term water quality data, obtained from the Ministry of Environment, Korea and physical habitat conditions based on the Quantitative Habitat Evaluation Index (QHEI). We used ten metric systems for the IBI model to evaluate biological stream health. Overall IBI values in Kap Stream averaged 24 (range: 20${sim}$30, n=5), indicating a "fair ${sim}$ poor" conditions according to the modified criteria of Karr (1981) and US EPA(1993). Exclusive of 4th survey, average IBI values at the upstream reach (S1 ${sim}$ S3)and downstream reach (S4 ${sim}$ S5) were 20 and 24, respectively. However, in 4th survey the averages were 21 and 20 in the upstream and downstream reaches, respectively. This difference was larger in the upstream than in the downstream because of physical condition disturbed during summer monsoon. Values of the QHEI varied from 75(fair condition) to 148 (good condition) and values of QHEI in the S3 were significantly (P=0.001, n=5) lower than other sites. Biochemical oxygen demand (BOD), chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) were greater by 3 ${sim}$ 8 fold in the downstream than in the upstream reach. We believe that present IBI approach applied in this study may be used as a key tool to set up specific goals for restoration of Kap Stream.
 
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stream health assessment;habitat evaluation;water quality;biological health;fish;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.2, 2006³â, pp.198-208
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317186951)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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