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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.43, no.1, 2010³â, pp.117-128
ºÎÂø±ÔÁ¶Áö¼ö¿Í ¿µ¾ç´Ü°è Æò°¡¸¦ ÀÌ¿ëÇÑ ³²´ëõ, ¿¬°îõ°ú »çõõÀÇ ¼öÁú Æò°¡
( Assessment of Water Quality in Namdae-Stream, Yeongok-Stream and Sacheon-Stream Using Trophic Status and Epilithic Diatom Indices )
±è¿ëÁø;ÀÌ¿Á¹Î; °æ±â´ëÇб³ »ý¹°Çаú;°æ±â´ëÇб³ »ý¹°Çаú;
 
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º» ¿¬±¸´Â 2008³â 5¿ùºÎÅÍ 2009³â 2¿ù±îÁö ¾ç¾çÀÇ ³²´ëõ, °­¸ªÀÇ ¿¬°îõ°ú »çõõÀÇ ÀÌÈ­ÇÐÀû ¼öÁú, ¿µ¾ç´Ü°è ¹× ºÎÂø±ÔÁ¶¸¦ ÀÌ¿ëÇÑ »ý¹°ÇÐÀû ¼öÁúÆò°¡¸¦ ½Ç½ÃÇÏ¿´´Ù. ³²´ëõ, »çõõ ¹× ¿¬°îõÀÇ ÀÌÈ­ÇÐÀû ¼öÁúÀº ÀϺΠ°ø»ç±¸°£ ¹× ÇÏ·ù Á¤Á¡À» Á¦¿ÜÇϰí, BOD°¡ $2mg;L^{-1}$ ÀÌÇÏÀÇ ³óµµ·Î ´ëüÀûÀ¸·Î ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ÇÏ·ùÁ¤Á¡ÀÇ °æ¿ì ³²´ëõ°ú »çõõÀÌ ÇØ¼ö¿¡ ÀÇÇÑ ¿°µµÀÇ ¿µÇâ°ú Æó¼âÇϱ¸ÀÇ Æ¯¼º»ó ¿µ¾ç¿°ÀÇ ³óÃà µî ¿À¿°ÀÌ ÁøÇàµÇ°í ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿µ¾ç´Ü°è ÆÇÁ¤°á°ú ³²´ëõÀº ÀüÁöÁ¡ÀÌ ´ëüÀûÀ¸·Î Áß¿µ¾ç´Ü°è¸¦ ³ªÅ¸³»¸ç, ¿¬°îõÀº »ó·ù¿¡¼­ ÇÏ·ù·Î °¥¼ö·Ï ºÎ¿µ¾çÈ­°¡ ÁøÇàµÇ°í, »çõõÀº ÀüüÀûÀ¸·Î ºÎ¿µ¾ç´Ü°è·Î ³ªÅ¸³µ´Ù. ¿µ¾ç´Ü°èÀÇ ÆÇÁ¤Àº °¢ Á¤Á¡°£ÀÇ °á°ú¿Í ¿µ¾ç¿°ÀÇ À¯¿± Á¤Á¡À» Àß ¹Ý¿µÇϰí ÀÖÀ¸³ª, °­¿ì ¹× À¯·®ÀÇ º¯È­·Î °èÀýº° ¿µ¾ç´Ü°è´Â Å« Â÷À̸¦ ³ªÅ¸³Â´Ù. »ý¹°ÇÐÀû ¼öÁúÆò°¡ °á°ú, ³²´ëõÀº ÇÏ·ù Á¤Á¡À» Á¦¿ÜÇϰí $etasimalpha$-ºóºÎ¼ö¼º À̰í, TDI´Â 50 ÀÌÇÏ·Î »ý¹°ÇÐÀû ¼öÁúÀÌ ´ëü·Î ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ÀϺΠ°ø»ç±¸°£°ú ÇÏ·ùÁ¤Á¡Àº $eta$-Áߺμö¼ºÀ̸ç, TDI´Â 70 ÀÌ»óÀ¸ÈÄ »ý¹°ÇÐÀû ¼öÁúÀÌ ´Ù¼Ò ¿À¿°µÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿¬°îõÀº $etasimalpha$-ºóºÎ¼ö¼ºÀ̸ç, TDI´Â 40 ÀÌÇÏ·Î ´ëüÀûÀ¸·Î »ý¹°ÇÐÀû ¼öÁúÀÌ ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, »çõõÀº 2008³â 5¿ù°ú 2009³â 2¿ùÀÇ »ó·ùÁ¤Á¡À» Á¦¿ÜÇϰí $etasimalpha$-Áߺμö¼º À̸ç, TDI´Â 70 ÀÌ»óÀ¸·Î ¿À¿°µÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »ó°üºÐ¼® °á°ú, »ý¹°ÇÐÀû ¼öÁúÆò°¡ Áö¼öÀÎ DAIpo¿Í TDI °£¿¡ ³ôÀº »ó°ü¼ºÀ» ³ªÅ¸³Â´Ù. ¶ÇÇÑ ±ÔÁ¶Áö¼öÀÎ DAIpo¿Í TDI´Â BODº¸´Ù ¼öÁú ¿µ ¾ç´Ü°è(TSI)¿Í »ó°ü¼ºÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
The water qualities of Namdae-stream, Yeongok-stream and Sacheon-stream were examined, by using physicochemical factors, trophic status and epilithic diatoms from May 2008 to February 2009. The physicochemical water qualities of three streams were, except for some construction areas and sites of downstream, generally good, having less concentration than BOD of $2;mg;L^{-1}$. As for the sites of downstream, there were ongoing pollution such as graduation of nutrients in Namdae-stream and Sacheon-stream, due to salinity of seawater and topographical feature of the closed estuary. The examination of trophic status of Namdae-stream showed mesotrophic status in all the sites. Also, eutrophication was in progress as from the upstream to the downstream of Yeongok-stream, and Sacheon-stream showed eutrophic status in all its sites. As a result of the biological water quality assessment, Namdae-stream, excluding the downstream site, came out to be $etasimalpha$-oligosaprobic, and biological water quality was good, having TDI less than 50. Some construction sites and downstream site of Namdae-stream are $eta$-mesosaprobic, and with the TDI over 70, the biological water quality assessment came out to be polluted. Yeongok-stream is $etasimalpha$-oligosaprobic, and its biological water quality is good, having TDI less than 40. Sacheon-stream, excluding the upstream site on May 2008 and February 2009, is $etasimalpha$-mesosaprobic, and its TDI over 70 shows that it has been polluted. The correlation analysis showed a high correlation in both DAlpo and TDI. Also, biological assessment of water quality (DAIpo, TDI) showed higher correlation with TSI rather than BOD.
 
Ű¿öµå
BOD;DAIpo;epilithic diatom;TDI;TSI;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.43, no.1, 2010³â, pp.117-128
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201023064630428)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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