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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.42, no.2, 2009³â, pp.161-171
´ã¼ö»ê ÀÌ¸ÅÆÐ ÆÞÁ¶°³¸¦ ÀÌ¿ëÇÑ È帧Çü À¯±â¹° Á¦¾î(CROM) ¿î¿µ - ÅðÀû¹°ÀÇ ¿µÇâ
( Operation of CROM System and its Effects of on the Removal of Seston in a Eutrophic Reservoir Using a Native Freshwater Bivalve (Anodonta woodiana) in Korea. )
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±¹³»»ê ´ã¼ö ÀÌ¸ÅÆÐ ÆÞÁ¶°³¸¦ ÀÌ¿ëÇÏ¿© ºÎ¿µ¾ç Àú¼öÁöÀÇ Ç¥Ãþ¼ö¸¦ ½ÇÇè½Ç·Î À¯ÀÔ Ã³¸®Çϰí 󸮼ö´Â ´Ù½Ã Àú¼öÁö·Î ȯ¿øÇÏ´Â À̸¥¹Ù 'È帧Çü À¯±â¹° Á¦¾î'(CROM: continuous removal of organic matters) ±â¼úÀ» °³¹ßÇϰí ÇÏõ¿¡¼­ äÃëÇÑ ¸ð·¡ÅðÀû¹°ÀÇ Ã·°¡°¡ À¯±â¹° Á¦¾î¿Í ¼öÁú¿¡ ¾î¶°ÇÑ ¿µÇâÀ» ÁÖ´ÂÁö Á¶»çÇÏ¿´´Ù. CROMÀº Å©°Ô Àú·ùÁ¶, Á¶Á¤Á¶, ó¸®Á¶, ºÐ¼®Á¶ µîÀ¸·Î ÀÌ·ç¾îÁ³À¸¸ç, ½ÇÇèÀº ó¸®Á¶¿¡ ÇöÀå¼ö, ÇöÀå¼ö+¸ð·¡, ÇöÀå¼ö+ÆÐ·ù, ÇöÀå¼ö+¸ð·¡+ÆÐ·ù µîÀ» °¢°¢ ±¸¼ºÇÏ¿© À¯¾÷¼Óµµ´Â 18${sim}$25 L $h^{-1}$ ÆÐ·ù¹Ðµµ´Â 486.1 indiv. $m^{-2}$, ¼ö¿ÂÀº 15${sim}$22$^{circ}C$ ¹üÀ§¿¡¼­ 13Àϰ£ ½Ç½ÃÇÏ¿´´Ù. À¯±â¹° ¹× ¼öÁú º¯È­¸¦ È®ÀÎÇϱâ À§ÇÏ¿© ¸ÅÀÏ µ¿ÀÏÇÑ ½Ã°£¿¡ ¼ö¿Â, pH, DO, Àüµµµµ, ʵµ, ¿°ºÐµµ, ¿±·Ï¼Ò a, ºÎÀ¯¹°Áú, TN, TP, $NO_2$, $NO_3$, $NH_3$, $PO_4$ µîÀ» ÃøÁ¤Çϰųª ä¼öÇÏ¿© °ð¹Ù·Î ºÐ¼®ÇÏ¿´´Ù. ¿¬±¸°á°ú, ¹Ì󸮼öÀÇ ¹Ý¼ÛÀÌ ÆÐ·ùÀÇ À¯±â¹° Á¦¾î¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾ÒÀ¸¸ç ÅðÀû¹°ÀÇ Ã·°¡¿¡ »ó°ü¾øÀÌ ½ÇÇè±â°£ µ¿¾È 80% ÀÌ»ó À¯±â¹°(ºÎÀ¯¹°Áú ºû ChI-a)À» °¨¼Ò½ÃÄ×À¸³ª ³ôÀº ³óµµÀÇ ¾Ï¸ð´Ï¾Æ¿Í ÀÎ»ê µîÀ» ¹èÃâÇÏ¿´´Ù. °á±¹ Çѱ¹»ê ÀÌ¸ÅÆÐ ÆÞÁ¶°³¸¦ ÀÌ¿ëÇÑ CROM ¿î¿µÈ¿°ú´Â ¸Å¿ì ¶Ñ·ÇÇÏ¿´À¸³ª Àå±â°£ ¿î¿µ½Ã À¯±â¹° Á¦¾î´É ¹× ÆÐ·ù »ýÁ¸À²¿¡ ¹ÌÄ¡´Â ´Ù¸¥ ¿äÀεé-¼ö¿Â, ¹Ì»ý¹°, ¼¼Á¤Áֱ⠵îÀÇ º¯È­°¡ ¿¹»óµÇ¸ç, 󸮼ö¿¡ ´ëÇÑ Ã³¸® ¹× Ȱ¿ë¿¡ ´ëÇÑ ´Ù°¢ÀûÀÎ ¿¬±¸°¡ µÚµû¶ó¾ß ÇÒ °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
A 'continuous removal of organic matters (CROM) system' using a native freshwater bivalve in Korea Anodonta woordiana, was developed to determine its potential of controlling various sestons in eutrophic lake system, and to evaluate its effect on water quality improvement under consideration of sediment addition as habitat. We designed CROM experiments with four treatments: no mussels and no sediment (W, negative control), no mussels and sediment (WS, positive control), mussels and no sediment (WM), and mussels and sediment (WMS). The experiments were performed at the condition of 18${sim}$25 L $h^{-1}$ of inflow, mussel density of 486.1 indiv. $m^{-2}$, and temperatures between 15 and $22^{circ}C$ for 13 consecutive days. Physicochemical and biological parameters were measured at daily (10:00 am) intervals after the mussel addition. Results indicated that mussel stockings without addition of sediment effectively removed sestons (suspended solids and chlorophyll-a) at nearly same level over 80 percentage of the control during the study, while there were no differences in removal activities of sestons between with and without sediment (P>0.5). Therefore, it clearly suggests that CROM system using A. woordiana has a strong potential to control the seston in surface water of eutrophic lake.
 
Ű¿öµå
continuous removal of organic matter;CROM;freshwater bivalve;Anodonta woodiana;sediment;eutrophic lake waters;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.42, no.2, 2009³â, pp.161-171
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200926158875912)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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