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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.3, 2006³â, pp.320-330
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ÃʰÀÇ ÅëÇÕÀû »ýŰǰ¼º Æò°¡
( Intergrated Ecological Health Assessments in Cho River ) |
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| º» ¿¬±¸¿¡¼´Â ÃæºÏ ¿µµ¿±º Ãʰ, ¾îÃÌõÀÇ 7°³ ÁöÁ¡À» ¼±Á¤ÇÏ¿© 2005³â 8¿ù¿¡¼ 9¿ù±îÁö 2ȸ¿¡ °ÉÃÄ »ý¹°ÇÐÀû °Ç°µµ Áö¼ö (Index of Biological Integrity, IBI), Á¤¼ºÀû ¼½ÄÁöÆò°¡Áö¼ö (Qualitative Habitat Evaluation Index: QHEI)ºÐ¼® ¹× ÀÌÈÇÐÀû ¼öÁúºÐ¼®À» ÅëÇØ ÅëÇÕÀû ÇÏõ»ýÅÂ°è °Ç°¼º Æò°¡¸¦ ½Ç½ÃÇÏ¿´´Ù. »ýÅ °Ç°µµ Æò°¡¸¦ À§ÇÑ »ý¹°ÅëÇÕÁö¼ö ¸ðµ¨Àº ±¹³» Ư¼º¿¡ ¸Â°Ô ¼öÁ¤ ${cdot}$ º¸¿ÏµÈ 10°³ ´Ùº¯¼ö ¸ÞÆ®¸¯ ¸ðµ¨(Multimetric model)À» ÀÌ¿ëÇÏ¿´°í, ¹°¸®Àû ¼½ÄÁö Áö¼öÀÎ QHEI´Â ±¹³» ÇÏõ Ư¼º¿¡ ¸Â°Ô º¯ÇüÇÑ 11°³ÀÇ ´Ùº¯¼ö ¸ÞÆ®¸¯ ¸ðµ¨À» Àû¿ëÇÏ¿´´Ù 2Â÷·Ê Á¶»ç¿¡ °ÉÄ£ ÃʰÀÇ »ý¹°ÇÐÀû °Ç°µµ Áö¼ö (IBI)´Â 36 (n=14)·Î¼, ¼öȯ°æ µî±ÞÀº ¾çÈ£»óÅ (Good)·Î ³ªÅ¸³µ´Ù. ÃÖ»ó·ù ÁöÁ¡ (S1)ÀÇ IBI ¸ðµ¨°ªÀº 48·Î¼ ÃÖÀû»óÅ (Excellent)¸¦ º¸¿´°í, ³ª¸ÓÁö ÁöÁ¡µé¿¡¼´Â 32${sim}$40·Î º¸Åë${sim}$¾çÈ£»óÅ (Fair${sim}$Good)¸¦ º¸¿´´Ù. ÇÕ·ùÁ¡ÀÎ ÁöÁ¡ 4´Â ³»¼ºÁ¾ÀÎ ÇǶó¹Ì (Zacco platypus)ÀÇ ÇöÀúÇÑ Áõ°¡·Î °¡Àå ³·Àº ¸ðµ¨°ª (32)À» ³ªÅ¸³Â°í, Àú¼öÁö ¹æ·ù¼öÀÎ ÁöÁ¡ 6¿¡¼µµ À¯»çÇÑ ¾ç»óÀ» º¸¿´´Ù. ¹°¸®Àû ¼½ÄÁöÆò°¡Áö¼öÀÎ QHEI Àü ÁöÁ¡¿¡ ´ëÇÑ Æò±Õ°ªÀº 148·Î¼ ¾çÈ£»óÅ (Good)¸¦ º¸¿´´Ù. ÁöÁ¡ 5(S5)´Â 120·Î¼ º¸Åë${sim}$¾çÈ£»óÅ (Fair${sim}$Good), ÁöÁ¡ 7 (S7)Àº 199·Î¼ ÃÖÀû»óÅ (Excellent)·Î ³ªÅ¸³µÀ¸¸ç, ±× ¿ÜÀÇ ÁöÁ¡µé (S1, S2, S3, S4, S6)Àº 135 ${sim}$150À¸·Î ¾çÈ£»óÅ (Good)¸¦ º¸¿´´Ù. ÃÖÀû»óÅ·Π³ªÅ¸³ ÁöÁ¡ 7(S7)ÀÇ °æ¿ì Ÿ ÁöÁ¡µé°ú´Â ´Þ¸® ÇÏ»ó ¹× ÇÏõ±¸Á¶¿¡ ÀÎÀ§ÀûÀÎ ¿µÇâÀÌ °ÅÀÇ ¾ø´Â »çÇàõÀ¸·Î ¼Ò¿Í ¿©¿ïÀ» ÀûÀýÈ÷ Çü¼ºÇϰí ÀÖ¾úÀ¸¸ç, ¼öº¯ ½ÄÇÇÀ²ÀÌ ³ô¾Æ ¼½ÄÁö Ãø¸é¿¡¼ ÃÖÀû»óŸ¦ º¸¿´´Ù. ¶ÇÇÑ, ¿ëÁ¸»ê¼Ò·® (DO), Àü±âÀüµµµµ (Electric conductivity), ʵµ(Turbidity),¼ö¼ÒÀ̿³óµµ(pH) µîÀÇ ÁöÁ¡º° ºÐ¼®¿¡ µû¸£¸é, ÁöÁ¡º° Å« Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Æ »ý¹°ÇÐÀû °Ç°µµ Áö¼ö¿¡´Â Å« ¿µÇâÀ» ÁÖÁö ¾Ê´Â °ÍÀ¸·Î »ç·áµÇ¾ú´Ù. |
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| An integrated health of a lotic ecosystem, Cho River, was evaluated by various approaches such as conventional water quality analysis, physical assessments of Qualitative Habitat Evaluation Index (QHEI), and the bioassay of Index of Biological Integrity (IBI) durin August${sim}$September 2005. The IBI model used in the study was based on original multivariate metric model and then modified the metric attributes of the model for the regional application. Physical habitat health, based on the QHEI, was estimated using eleven metrics. During the study, values of IBI model averaged 36, which was judged as 'fair' to 'good' conditions. Spatial variations in the model values were evident: the headwater site (S1) was estimated as 48, indicating an 'excellent' condition, and the other sites were estimated 32${sim}$38, 'good' condition. Values of the QHEI in the all sites averaged 148, which is judged as a good condition. The QHEI values varied from 120 (fair condition) to 199 (excellent condition) depending on the location of the stream. Site 5 (S5) was estimated as 'fair${sim}$good' condition, while Site 7 (S7) was estimated as 'excellent' condition. The biological health, based on the IBI, reflected the habitat health. However, chemical conditions in terms of pH, turbidity, electric conductivity, dissolved oxygen (DO) did not make a difference in the biological health because of minor chemical differences among the locations. |
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| Ű¿öµå |
| water quality;biological health;fish assemblage;habitat health; |
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Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.3, 2006³â, pp.320-330
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317187405)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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