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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.38, no.3, 2005³â, pp.304-312
³»ºÐºñ±³¶õ¹°ÁúÀÌ Á¶·ùÀÇ ¼ºÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Nonylphenol and Diethylhexyl Phthalate on the Population Growth of Freshwater HABs, Microcystis and Stephanodiscus )
ÀÌÁÖÇÑ;±è¹éÈ£;ÇѸí¼ö; ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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³»ºÐºñ°è Àå¾Ö¹°ÁúÀÌ ½Ä¹°ÇöûũſÀÇ °³Ã¼±º ¼ºÀå¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ÀÌÇØÇϰíÀÚ ºÎ¿µ¾ç È£¼ö ¹× ÇÏõ¿¡¼­ ¿ìÁ¡ÇÏ´Â ³²Á¶ M. aeruginosa¿Í ±ÔÁ¶ S. hantzschii¸¦ ¼ºÀå½Ã±â¿¡ µû¶ó ÀÚ¿¬¼ö ³óµµÀÇ 10 ${sim}$ l,000¹è±îÁö ´Ù¾çÇÑ ³óµµ·Î Åõ¿©Çϰí ÇöÁ¸·® ¹× ÇüÅÂÀû º¯È­¸¦ Á¶»çÇÏ¿´´Ù. Nonylphenol (NP)À» Á¶·ù¼¼Æ÷ ¹è¾çÃʱ⳪ ´ë¼ö¼ºÀå±â¿¡ ó¸®ÇÏ¿´À» °æ¿ì ³óµµ 0.01 ppmÀ̻󿡼­ °ð¹Ù·Î ¼ºÀå¾ïÁ¦ Çö»óÀ» º¸¿´À¸¸ç, ³²Á¶ M. aeruginosa°¡ ±ÔÁ¶ S. hantzschiiº¸´Ù ´õ ½ÉÇÑ ¾ïÁ¦Çö»óÀ» º¸¿´´Ù. ÀÌ¿¡ ¹ÝÇØ diethyhexyl phthalate(DEHP)ÀÇ °æ¿ì¿¡´Â Á¶·ù¼¼Æ÷ ¼ºÀå½Ã±â³ª 󸮳󵵿¡ »ó°ü¾øÀÌ ¼ºÀå ¾ïÁ¦ Çö»óÀº °üÂûµÇÁö ¾Ê¾Ò°í, ½ÇÇè Áß °¡Àå ³ôÀº 󸮳óµµÀÎ 3.00 ppm 󸮱º¿¡¼­´Â ¿ÀÈ÷·Á ´ëÁ¶±ºº¸´Ù 10% ÀÌ»óÀÇ ³ôÀº ¼ºÀåÀ» ³ªÅ¸³Â´Ù. Á¶·ù¼¼Æ÷ÀÇ ÇüÅÂÀû º¯È­´Â NP¸¦ ó¸®ÇÑ ¸ðµç ½ÇÇ豺¿¡¼­ Á¶·ù¼¼Æ÷ÀÇ »ö¼Òü º¯È­°¡ ¶Ñ·ÇÇÏ¿´À¸¸ç, M. aeruginosa ¼¼Æ÷ÀÇ °æ¿ì, Å©±â°¡ Á¡Â÷ ÀÛ¾ÆÁö´Â Ư¡À» º¸¿´´Ù. °á±¹ DEHPÀÇ ÀÚ¿¬°è·ÎÀÇ À¯ÃâÀº ½Ä¹°ÇöûũſÀ» ¼·½ÄÇÏ´Â ¼¶¸ðÃæÀ̳ª µ¿¹°ÇöûũſÀÇ ¼ºÀåÀ» ¾ïÁ¦Çϰųª M. aeruginosa ¹× S. hantzschii¿Í °°Àº À¯ÇØÁ¶·ùÀÇ ¼ºÀåÀ» ÃËÁøÇÔÀ¸·Î½á ºÎ¿µ¾ç¼ö¿ª Á¶·ù´ë¹ß»ýÀÇ Áß¿äÇÑ ¿äÀÎÀ¸·Î ÀÛ¿ëµÉ ¼ö ÀÖÀ½À» ½Ã»çÇØÁÖ°í ÀÖ´Ù.
Effects of two endocrine disrupters (EDs) , nonylphenol (NP) and diethylhexyl phthalate (DEHP), on the population growth and morphology of two freshwater HABs (harmful algal blooms) , Microcystis aeruginosa and Stephanodiscus hantzschii, which frequently evoked the hazard bloom in an eutrophic lakes and reservoirs worldwide, were examined with seven different concentrations of EDs (0.01, 0.05, 0.1, 1,2, 2.5 and 3 ppm). Even at concentration below 0.01 ppm, NP strongly inhibited the algal growth of both M. aeruginosa and S. hantzschii, regardless of the algal growth phase. Morphologically, the algal cell treated with NP gradually lost green color in cytoplasm, became smaller in cell size, and then, was hardly seen in microscopic field. On the other hand, DEHP employed did not affect two algae at all concentrations, and rather stimulated the growth by about 10% with a treatment at 3.00 ppm compared to control. These results indicate that the continuous input of EDs, DEHP into the natural water system plays a crucial role to enhance or help an outbreak of algal bloom in eutrophic waters.
 
Ű¿öµå
nonylphenol;diethylhexyl phthalate;Microcystis aeruginosa;Stephanodiscus hantzschii;growth;algal bloom;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.38, no.3, 2005³â, pp.304-312
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200518317185001)
¾ð¾î : Çѱ¹¾î
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