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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.41, no.3, 2008³â, pp.283-293
¿ï»ê ÇÏõ ¹× °­¿¡¼­ÀÇ ¾î·ù¼­½Ä ÇöȲ ¹× 8°³ ´ëÇ¥Á¾ÀÇ ÀÌÈ­ÇÐÀû ¼öÁú ³»¼º¹üÀ§
( Status of Fish Inhabitation and Distribution of Eight Abundant Species in Relation with Water Quality in Streams and Rivers, Ulsan City )
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º» ¿¬±¸´Â ¿ï»ê±¤¿ª½ÃÀÇ ¿À¿°ÃÑ·®°ü¸®°èȹÀ» ¼ö¸³Çϱâ À§ÇÑ ±âÃÊÀڷḦ Á¦½ÃÇϰíÀÚ ¼ÒÇÏõÀ» Áß½ÉÀ¸·Î ÀÌÈ­ÇÐÀû ¼öÁúÁ¶»ç¿Í ´õºÒ¾î ¾î·ùÁ¶»ç¸¦ º´ÇàÇÏ¿© °¢ ¼öÁúÇ׸ñº° ´ëÇ¥¾îÁ¾ÀÇ ¼öÁú ³»¼º¹üÀ§¸¦ È®ÀÎÇÏ¿© ¾î·ù¸¦ ÀÌ¿ëÇÑ ÇÏõÀÇ °Ç°­¼º Æò°¡ ±âÃÊÀÚ·á·Î Ȱ¿ëÇϰíÀÚ ÇÏ¿´´Ù. ÇöÀåÁ¶»ç´Â ÅÂÈ­°­, ȸ¾ß°­, µ¿Ãµ ¹× û·®Ãµ¿¡¼­ ÃÑ 44°³ ÁöÁ¡À» ¼±Á¤ÇÏ¿© ¼öÁúÁ¶»ç´Â °èÀýº°·Î, ¾î·ù´Â 8¿ù¿¡ ½Ç½ÃÇÏ¿´À¸¸ç ¼öÁúÇ׸ñ Áß »ý¹°ÀÇ È£Èí°ú °ü·ÃµÈ BOD¿Í DO, ¿µ¾ç¿° ¹× ºÎ¿µ¾çÈ­¿Í °ü·ÃµÈ T-N, T-P, ±âŸ TSS¿Í $NH_4$-N µîÀ» ÃâÇöÀ²ÀÌ ³ôÀº 8°³ ´ëÇ¥¾îÁ¾º°·Î vertical box plotÀ» Ȱ¿ëÇÏ¿© ºñ±³ÇÏ¿´´Ù. ¾î·ùÁ¶»ç °á°ú, ÅÂÈ­°­Àº 9°ú 24Á¾, ȸ¾ß°­Àº 5°ú 14Á¾, µ¿ÃµÀº 4°ú 12Á¾, û·®ÃµÀº 6°ú 12Á¾À¸·Î¼­ ÀüüÀûÀ¸·Î ¸êÁ¾À§±âÁ¾ÀÎ Àܰ¡½Ã°í±â¿Í ¿Ü·¡µµÀÔÁ¾ÀÎ ºí·ç±æ, ¹è½º¸¦ Æ÷ÇÔÇÑ ÃÑ 13°ú 33Á¾ÀÌ È®ÀεǾúÀ¸¸ç ÅÂÈ­°­ÀÌ °¡Àå ³ôÀº Çѱ¹°íÀ¯Á¾ ÃâÇöÀ²(29.2%)À» º¸¿´´Ù. ÃâÇöÀ²ÀÌ ³ôÀº 8°³ ¾îÁ¾º° ¼­½ÄÀÌ È®ÀÎµÈ ÁöÁ¡ÀÇ ¼öÁúÀ» ±âº»À¸·Î ³»¼º¹üÀ§¸¦ »ìÆìº» °á°ú, Âü°¥°Ü´Ï, ¹öµéÄ¡, ¿ÕÁ¾°³, ±ä¸ô°³´Â °¢ Ç׸ñº°·Î Á¦ÇÑÀûÀÎ ³»¼º¹üÀ§¸¦ º¸ÀÌ¸ç ¾çÈ£ÇÑ ¼öȯ°æÀ» ¼±È£ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³­ ¹Ý¸é ÂüºØ¾î¿Í ºØ¾î´Â ¿À¿°¹°Áú À¯ÀÔÀÌ ºó¹øÇÑ ÇÏ·ùÁö¿ª ¹× µµ½ÉÇüÇÏõ¿¡µµ ¼­½ÄÀÌ °¡´ÉÇÑ °ÍÀ¸·Î È®ÀεǾú´Ù. À̸¦ ÅëÇØ ¾î·ù¸¦ ÀÌ¿ëÇÑ »ý¹°ÇÐÀû Æò°¡ ½Ã »ç¿ëµÇ´Â Ç׸ñ Áß ÇϳªÀÎ ³»¼ºµµ¸¦ »ìÆìº¼ ¶§ Á» ´õ °´°üÀûÀÎ ÀڷḦ Åä´ë·Î ¹Î°¨Á¾°ú Áß°£Á¾, ³»¼ºÁ¾À¸·Î ±¸º°ÇÏ¿© ÇÏõÀÇ °Ç°­¼º Æò°¡ ¹× ¼ö»ýÅÂ°è º¸Àü ¹× º¹¿øÀ» À§ÇÑ ±âÃÊÀÚ·á·Î Ȱ¿ëµÇ¸®¶ó »ç·áµÈ´Ù.
The objectives of the study were firstly to provide fundamental data for establishment of total maximum daily load (TMDL) management in Ulsan City, and secondly to make practical application of stream health assessment with tolerance range by each species when physiochemical and fish investigations were carried out together. A total of 44 sites in Taehwa River, Hoiya River, Dong Stream, and Cheongryang Stream were selected to monitor water qualities seasonally and fish investigation was performed in August 2006. Among the parameters of water quality, biological oxygen demand (BOD) and dissolved oxygen (DO) related to respiration, total nitrogen (T-N) and total phosphorus (T-P) related to nutrient and eutrophication, and total suspended solids (TSS) and $NH_4$-N were compared with vertical box plot by 8 dominant species. According to the fish investigation, 12 families 33 species were found including endangered species (Pungitius kaibarae) and introduced species (Lepomis macrochirus, Micropterus salmoides), and appearance rate of Korean endemic species was greater in Taehwa River (29.2%) than others. As the results of tolerance range by species, Zacco koreanus, Rhynchocypris oxycephalus, Iksookimia longicorpa, and Squalidus gracilis majimae had limited low range by water quality parameters indicating preference of good water quality. Whereas, Carassius auratus and Pseudorasbora parva were found downstream and urban-streams which were exposed from frequent inflow of pollutants. It concludes that the results help distinguishing sensitive, intermediate, and tolerant species when we evaluate stream health assessment with fish, and further making practical application for conservation and restoration of aquatic ecosystem.
 
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stream health assessment;fish;water quality;tolerance range;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.41, no.3, 2008³â, pp.283-293
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200833338919330)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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