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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.41, no.2, 2008³â, pp.228-236
³²¾çÈ£¿¡¼­ ´Ùº¯¼ö ¸ÞÆ®¸¯ ¸ðµ¨ Àû¿ë ¹× Æò°¡
( Applications and Assessments of a Multimetric Model to Namyang Reservoir )
ÇÑÁ¤È£;¾È±¤±¹; Ãæ³²´ëÇб³ »ý¸í°úÇаú;Ãæ³²´ëÇб³ »ý¸í°úÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¾î·ù ¸ÞÆ®¸¯ ¼Ó¼ºÀ» ÀÌ¿ëÇÑ ¿ì¸®³ª¶óÀÇ Á¤¼ö»ýÅÂ°è °Ç°­¼ºÆò°¡ ¸ðµ¨À» Àû¿ëÇϱâ À§ÇÏ¿© ±¹³» ÀΰøÈ£ÀÎ ³²¾çÈ£¸¦ ´ë»óÀ¸·Î 2005³â 10¿ù°ú 2006³â 5¿ù 2Â÷·Ê¿¡ °ÉÃÄ »ýÅ °Ç°­¼º Æò°¡¸¦ ½Ç½ÃÇÏ¿´´Ù. LEHA ¸ðµ¨Àº »ý¹°ÇÐÀû º¯¼ö, ¹°¸®Àû º¯¼ö, È­ÇÐÀû º¯¼ö¸¦ Æ÷ÇÔÇÑ ÃÑ 11°³ÀÇ ¸ÞÆ®¸¯À¸·Î ±¸¼ºµÇ¾î ÀÖ´Ù. »ó±â º¯¼öÀÇ ½Ã°ø°£ÀûÀÎ ºÐ¼®À» À§ÇØ ³²¾çÈ£ÀÇ »ó·ùºÎ¿¡¼­ ÇÏ·ùºÎ±îÁö 6°³ÀÇ ÁöÁ¡À» ¼±Á¤ÇÏ¿´´Ù. ³²¾çÈ£ÀÇ »ýÅ °Ç°­¼º Æò°¡ °á°ú ³»¼ºÁ¾($M_3$)ÀÌ 80%·Î ³ªÅ¸³µÀ¸¸ç, Àâ½ÄÁ¾($M_4$)ÀÌ 92%·Î ³ªÅ¸³ª ¼·½Ä±¸Á¶ÀÇ ´Ü¼øÈ­·Î ÀÎÇÏ¿© ³»¼ºÁ¾°ú Àâ½ÄÁ¾ÀÇ ¿ìÁ¡Çö»óÀ» º¸¿´À¸¸ç, ƯÈ÷ ¿Ü·¡Á¾ÀÇ »ó´ë dzºÎµµ($M_7$)°¡ 8%·Î ³ªÅ¸³ª »ýŰ谡 ±³¶õµÇ¾î »ýŰǰ­¼ºÀÌ Å©°Ô ¾ÇÈ­µÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »ó±â LEHA ´Ùº¯¼ö ¸ðµ¨À» ÀÌ¿ëÇÑ ³²¾çÈ£ÀÇ »ýÅ °Ç°­¼º Æò°¡ °á°ú, »ýÅ °Ç°­¼º Áö¼öÀÇ Æò±Õ°ªÀº 24.3(n=12)À¸·Î¼­ ¾È°ú ÇÑ(2007)ÀÇ µî±Þ¿¡ ÀǰÅÇÏ¿´À» ¶§ "¾ÇÈ­»óÅÂ"·Î ³ªÅ¸³µ´Ù. ÁöÁ¡º° LEHA ¸ðµ¨°ªÀº $21{sim}26$ÀÇ º¯À̸¦ º¸¿© ³·Àº °Ç°­¼ºÀ» °®´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, À帶ö ÁýÁß°­¿ì¿¡ ÀÇÇÏ¿© ½Ã°£ÀûÀÎ º¯À̰¡ ¹ß»ýµÇ¾ú´Ù. Àü±âÀüµµµµ¿Í ¿±·Ï¼Ò-$alpha$¸¦ ÀÌ¿ëÇÑ ºÎ¿µ¾çÈ­Áö¼ö(TSI)´Â À帶 Èĺ¸´Ù À帶 Àü¿¡ ´õ ³ô°Ô ³ªÅ¸³µ´Ù.
The purpose of this study was to evaluate fish metric attributes using a model of Lentic Ecosystem Health Assessment (LEHA) and apply the model to the dataset sampled from six sites of Namyang Reservoir during October 2005$sim$May 2006. The model was composed of 11 metries and the metric attributes were made of physical, chemical and biological parameters. Trophic composition's metrics showed that tolerant species ($M_3$, 80%) and omnivore species ($M_4$, 92%) dominated the fish fauna, indicating a biological degradation in the aquatic ecosystem. The metric of $M_7$, relative proportions of exotic species, also showed greater than 8% of the total, indicating a ecological disturbance. The average value of LEHA model was 24.3 (n= 12) in the reservoir, indicating a "poor condition" by the criteria of An and Han (2007). Spatial variation based on the model values was low (range: $21{sim}26$), and temporal variation occurred due to a monsoon rainfall. Electrical conductivity (EC) and tropic state index of chlorophyll-$alpha$ [TSI(CHL)] was greater in the premonsoon than the postmonsoon.
 
Ű¿öµå
Multi-metric model;fish;Namyang reservoir;health assessment;water quality;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.41, no.2, 2008³â, pp.228-236
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200827448607760)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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