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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.40, no.3, 2007³â, pp.379-386
³»ºÐºñÀå¾Ö¹°Áú NonylphenolÀÌ ¹Ì¼¼Á¶·ù, Á¾¼Ó¿µ¾çÆí¸ðÃæ, µ¿¹°ÇöûũſÀÇ °³Ã¼±º ¼ºÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Nonylphenol on the Population Growth of Algae, Heterotrophic Nanoflagellate and Zooplankton )
ÀÌÁÖÇÑ;ÀÌÇØ¿Á;±è¹éÈ£;;Ȳ¼ö¿Á;±è´ëÇö;ÇѸí¼ö; ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;Çѱ¹¼öÀÚ¿ø°ø»ç ÆÈ´ç±Ç°ü¸®´Ü;Çѱ¹¼öÀÚ¿ø°ø»ç ÆÈ´ç±Ç°ü¸®´Ü;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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°è¸éȰ¼ºÁ¦ÀÇ ÁÖµÈ ¿ø·áÀ̸ç Estrogenic hormoneÀ¸·Î ¾Ë·ÁÁø nonylphenolÀÌ ¼öÁß»ýÅÂ°è ¸ÔÀ̸ÁÀÇ Çϵî»ý¹°±º ¼ºÀå¿¡ ¹ÌÄ¡´Â µ¶¼º¿µÇâÀ» ÆÄ¾ÇÇϰíÀÚ, ¹è¾çÁßÀÎ Á¶·ù(Microcytis aeruginosa), Æí¸ðÃæ(Diphylleia rotans), ¼ÒÇü (Brachionus calyciflorus) ¹× ´ëÇüµ¿¹°Çöûũſ(Daphnia magna)¿¡ ´Ù¾çÇÑ ³óµµ·Î Á¦ÀÛµÈ NPÀ» ó¸®ÇÏ°í °¢ °³Ã¼±ºÀÇ ¼ºÀå ¹× µ¿¹°Çöûũſ B. calyciflorus, D. magnaÀÇ ¹ß»ýƯ¼ºÀ» °¢°¢ Á¶»çÇÏ¿´´Ù. ¿¹ºñ½ÇÇèÀ» ÅëÇÏ¿©, Åõ¿©³óµµ´Â °³Ã¼±º¿¡ µû¶ó Á¶·ù(0.01, 0.05, 0.10, 1.00mg $L^{-1}$), Diphylleia rotans (0.5, 1, 2.5, 5, 10 ${mu}g;L^{-1}$), Brachionus calyciflorus (0.1, 0.5, 1, 2.5, 5 ${mu}g;L^{-1}$), Daphnia magna (0.5, 1, 5, 10, 50 ${mu}g;L^{-1}$) µîÀ¸·Î $4{sim}5$´Ü°è ³óµµ¸¦ ó¸®ÇÏ¿´À¸¸ç, µ¶¼ºÈ¿°ú´Â °¢ °³Ã¼±ºÀÇ ÇöÁ¸·® º¯È­·Î »êÁ¤ ÇÏ¿´À¸¸ç ½ÇÇèÀº °¢°¢ 3ȸ¾¿ ¹Ýº¹ ½ÇÇàÇÏ¿´´Ù. ºÐ¼®°á°ú, ¿¹»óÇß´ø °Íó·³ ¸ðµç °³Ã¼±ºÀº NP³óµµ°¡ Áõ°¡ÇÒ¼ö·Ï °­ÇÑ ¼ºÀå ¾ïÁ¦¸¦ º¸¿´´Ù. Á¶·ù½ÇÇè¿¡¼­´Â 0.05 mg $L^{-1}$, D. rotans¿Í B. calyciflorus´Â °øÈ÷ 10 ${mu}g;L^{-1}$, ´ëÇüµ¿¹°Çöûũſ D. magna´Â 5.0 ${mu}g;L^{-1}$ºÎÅÍ °¢°¢ À¯ÀÇÇÑ ¼ºÀå¾ïÁ¦¸¦ º¸¿´´Ù. Nonylphenol¿¡ ´ëÇÑ °¢ °³Ã¼±ºÀÇ $EC_{50}$Àº B. calyciflorus (2.49 ${mu}g;L^{-1}$) < D. rotans (3.49 ${mu}g;L^{-1}$) < D. magna (7.61 ${mu}g;L^{-1}$) < M. aeruginosa (47 ${mu}g;L^{-1}$) ÀÇ ¼øÀ¸·Î ³ªÅ¸³ª NP¿¡ ´ëÇØ Á¶·ù¼¼Æ÷°¡ °¡Àå °­ÇÑ ³»¼ºÀ» º¸ÀÎ ¹Ý¸é B. calyciflorus°¡ °¡Àå ¾àÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ µ¿¹°ÇöûũſÀÇ ¹ß»ý¿¡ À־ B. calyciflorus´Â NP³óµµ$(0.1{sim}1{mu}g;L^{-1})$, D. magna´Â À̺¸´Ù ¾à°£ ³ôÀº NP³óµµ $(0.5{sim}5{mu}g;L^{-1})$¿¡¼­ °øÈ÷ ³»±¸¶õÀÌ Çü¼ºµÇÁö ¾Ê¾Ò´Ù. ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇÏ¿© º¼ ¶§, Á¶·ù¼·½ÄÀÚÀÎ Æí¸ðÃæÀ̳ª µ¿¹°ÇöûũſÀº ¸ðµÎ nonylphenol¿¡ ´ëÇÏ¿© Á¶·ùº¸´Ù ³»¼ºÀÌ ±ØÈ÷ ¾àÇÏ¸ç Æ¯È÷ ¹ß»ý°è¿¡ Ä¡¸íÀûÀÎ ¿µÇâÀ» ¹Þ±â ¶§¹®¿¡ NP°¡ À¯ÀԵǴ ¼ö°è¿¡ À־ ¼·½ÄÀÚ ¼Ò¸ê·Î ÀÎÇÑ ½Ä¹°Çöûũſ ´ë¹ß»ýÀÇ ÀÎÀÚ·Î ÀÛ¿ëÇÒ ¼ö ÀÖÀ½À» ½Ã»çÇØ ÁÖ°í ÀÖ´Ù.
Nonylphenol (NP) has been well known as a major substance of surfactant and/or estrogenic environmental hormone. We tested toxic effects of nonylphenol on the population growth and development of aquatic organism such as algae (Microcystis aeruginosa), heterotrophic nanoflagellate (Diphylleia rotans), micro- (Brachionus calyciflorus) and macro-zooplankton (Daphnia magna) among eutrophic water food-web constituents. Dosage of NP treatment were 4 to 5 grades, according to each organism's tolerance based on pre-experiments; algae (0.01, 0.05, 0.10, 1.00 mg $L^{-1}$) Diphylleia rotans (0.5, 1,2. 5,6, 10 ${mu}g;L^{-1})$, Brachionus calyciflorus (0.1, 0.5, 1, 2.5, 5 ${mu}g;L^{-1}$), and Daphnia magna (0.5, 1, 5, 10, 50 ${mu}g;L^{-1}$), respectively. Toxic effects were measured by the changes of biomass of each organism after NP treatment. All experiments were triplication. As suggested, the higher concentration of NP treatment, the stronger inhibited the population growth of all organisms tested. In view of toxicity, a variety of concentration of NP showed a significant growth inhibition to organism; algae to 0.05 $mg;L^{-1}$, D. rotans and B. calyciflorus to 1.0 ${mu}g;L^{-1}$, and D. magna to 5.0 ${mu}g;L^{-1}$, respectively. The $EC_{50}$ of each organism to the nonylphenol are as follows; 3. calyciflorus (2.49 ${mu}g;L^{-1}$), D. rotans (3.49 ${mu}g;L^{-1}$), D. magna (7.61 ${mu}g;L^{-1})$, and M. aeruginosa (47 ${mu}g;L^{-1})$. NP toxic effects on the development of zooplankton like egg production showed some differences in treatment concentration between Brachionus calyciflorus ${0.1{sim}1NP{mu}g;L^{-1})$ and Daphnia magna $(0.5{sim}5NP;{mu}g;L^{-1})$. These results suggest that a strong growth inhibition of predator or grazer by the nonylphenol can stimulate the algal growth, or can play important role in evoking the nuisance algal bloom in eutrophic water with enough nutrients.
 
Ű¿öµå
Brachionus calyciflorus;Daphnia magna;Diphylleia rotans;endocrine disrupting chemicals;Microcystis aeruginosa;nonylphenol;population growth;toxicity;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.40, no.3, 2007³â, pp.379-386
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200709905952513)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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