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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.17, no.4, 1999³â, pp.427-438
³ìÁ¶ ±¸¸Û°¥ÆÄ·¡(Ulva pertusa Kjellman)ÀÇ »ýÀå ¹× »ö¼ÒÁ¶¼º¿¡ ¹ÌÄ¡´Â ¹«±â ¿µ¾ç¿°·ù ¹× Á߱ݼÓÀÇ ¿µÇâ
( Effects of Inorganic Nutrients and Heavy Metals on Growth and Pigmentation of the Green Alga, Ulva pertusa Kjellman )
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º» ¿¬±¸¿¡¼­´Â µ¿ÇØ¿Í ¼­ÇØ¿¡¼­ ä¼öµÈ ÀÚ¿¬Çؼö¿¡¼­ ³ìÁ¶ ±¸¸Û°¥ÆÄ·¡¸¦ ¹è¾çÇÏ¿© »ýÀåÀ» ºñ±³ÇÏ°í ¾Æ¿ï·¯ ȯ°æ¿À¿°ÀÎÀÚ¶ó°í ÇÒ ¼ö ÀÖ´Â ¹«±â¿µ¾ç¿°·ù(Áú»ê¿°°ú Àλ꿰)¿Í Á߱ݼÓ(±¸¸®¿Í ³³)ÀÇ ¿µÇâÀ» Æò°¡ÇÏ¿´´Ù. ¸ÕÀú, ±¤·®º° »ýÀåÀ²Àº ¼­ÇØÇؼöÁ¶°Çº¸´Ù µ¿ÇØÇؼöÁ¶°Ç¿¡¼­ ¶Ñ·ÇÇÏ°Ô ³ô°Ô ³ªÅ¸³µÀ¸¸ç À̶§ ÃÖÀû»ýÀ層·®Àº µÎ Á¶°Ç¿¡¼­ °øÈ÷ $100{mu} molm^{-2} s^{-1}$ÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿±·Ï¼Ò ÇÔ·®ÀÇ °æ¿ì 60 $mu$molm¡©$^2$S¡©$^1$ÀÌÇÏÀÇ ±¤·®¿¡¼­´Â µ¿ÇØÇؼöÁ¶°Ç¿¡¼­ ³ô°Ô ³ªÅ¸³µÀ¸³ª, $100{mu} molm^{-2} s^{-1}$ÀÌ»óÀÇ ±¤·®¿¡¼­´Â µÎ Á¶°Ç¿¡¼­ À¯»çÇÏ°Ô ³ªÅ¸³µ´Ù. ±¤·®°ú »ö¼ÒÇÔ·® »çÀÌ¿¡´Â ÀϹÝÀûÀ¸·Î ¹Ýºñ·Ê°ü°è°¡ ¼º¸³µÇ¾ú´Âµ¥ Áï, ±¤·®ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó »ö¼ÒÇÔ·®ÀÌ °¨¼ÒµÇ¾ú´Ù. 1988³âºÎÅÍ 1997³â±îÁö Á¶»çµÈ ȯ°æºÎÀÚ·á¿¡ ÀÇÇϸé ÀÚ¿¬Çؼö¿¡¼­ÀÇ Áú»ê¿°ÀÇ ³óµµ´Â ¼­ÇØÇؼö¿¡¼­ 0.88ppmÀ¸·Î½á µ¿ÇØÇؼöÀÇ 0.37ppmº¸´Ù 2¹è ÀÌ»ó ³ô¾ÒÀ¸¸ç Àλ꿰Àº µ¿ÇØ¿Í ¼­ÇØÇؼö ¸ðµÎ¿¡¼­ 0.03ppmÀ¸·Î À¯»çÇÏ°Ô ³ªÅ¸³µ´Ù. ¶ÇÇÑ $Cu^{2+}, Pb^{2+}$Àº °¢°¢ 0.004, 0.003ppmÀ¸·Î ȯ°æ±âÁغ¸´Ù ¸Å¿ì ³·Àº °ÍÀ¸·Î º¸°íµÈ ¹Ù ÀÖ´Ù. µû¶ó¼­ ÀÌ·¯ÇÑ ÀڷḦ ±âÃÊ·Î ÇÏ¿© ¹«±â¿µ¾ç¿°·ù(Áú»ê¿°°ú Àλ꿰)¿Í Á߱ݼÓ(±¸¸®¿Í ³³)ÀÌ ±¸¸Û°¥ÆÄ·¡¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇØ Á¶»çÇÏ¿´´Ù. ¹«±â¿°·ùÀÇ È¿°ú¿¡ ´ëÇÑ ¿¬±¸¿¡¼­ Áú»ê¿°ÀÇ ³óµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó ±¸¸Û°¥ÆÄ·¡ÀÇ »ýÀåÀ²ÀÌ Áõ°¡ÇÏ¿´À¸¸ç 5ppm¿¡¼­ »ýÀåÆ÷È­¸¦ º¸ÀÌ´Â °ÍÀ» °üÂûÇÒ ¼ö ÀÖ¾ú´Ù. Àλ꿰Àº »ýÀå¿¡ Ưº°ÇÑ ¿µÇâÀ» ³¢Ä¡Áö ¾Ê´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿±·Ï¼Ò ÇÔ·®ÀÇ °æ¿ì¿¡´Â Àλ꿰 ³óµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó ¶Ñ·ÇÇÑ ¾çÀû Áõ°¡Çö»óÀ» º¸¿´´Ù. $Cu^{2+}$´Â ±¸¸Û°¥ÆÄ·¡¿¡ ¸Å¿ì °­ÇÑ µ¶¼ºÀ» ³¢ÃÄ ³óµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó ¿±Ã¼ÀÇ »ýÀåÀ²°ú ¿±·Ï¼Ò a,b ±×¸®°í carotenoidsÇÔ·®ÀÌ ÇöÀúÇÏ°Ô °¨¼ÒÇÏ¿´À¸¸ç ƯÈ÷ 1ppm¿¡¼­´Â carotenoids°¡ ÀüÇô °ËÃâµÇÁö ¾Ê¾Ò´Ù. $Pb^{2+}$´Â À§¿Í °°Àº »ýÀå ÆÄ¶ó¹ÌÅÍ¿¡ ´ëÇÏ¿© Ưº°ÇÑ ¿µÇâÀ» ÁÖÁö ¾Ê¾Ò´Ù. ÇöÀç ÀÚ¿¬ÇؼöÁß¿¡ Á¸ÀçÇÏ´Â Áú»ê¿°°ú Àλ꿰, $Cu^{2+}, Pb^{2+}$.µîÀº ±× ³óµµ¸é¿¡ À־ ±¸¸Û°¥ÆÄ·¡ÀÇ »ýÀåÁ¦ÇÑ¿äÀÎÀ¸·Î ÀÛ¿ëÇÒ Á¤µµ´Â ¾Æ´Ò °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ±×·¯³ª $Cu^{2+}$¿Í °°Àº °æ¿ì °£ÇæÀûÀ¸·Î ³ôÀº ³óµµ°¡ ±â·ÏµÇ´Â °ÍÀ» º¼ ¶§ ÀÌ·ÎÀÎÇÏ¿© ±¸¸Û°¥ÆÄ·¡ÀÇ »ýÁ¸¿¡ °áÁ¤ÀûÀÎ »óÇØ¸¦ ÀÔÈú ¼öµµ ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.
Differential growth of Ulva pertusa Kjellman was observed in response to different photon irradiances and seawater. Growth rate of U. pertusa cultivated in the seawater collected from the East Sea was significantly higher than that in the seawater collected from the Yellow Sea. Optimal growth was found at $100{mu} molm^{-2} s^{-1}$ in both cases. Chlorophyll contents of U. pertusa grown in the east sea water were higher than that cultivated in the west sea water at irradiances lower than $60{mu} molm^{-2} s^{-1}$. At irradiances higher than $100{mu} molm^{-2} s^{-1}$, there was no difference in chlorophyll content in between the two different sea waters with tendency that pigmentation decreased with increasing photon irradiances. Nitrate concentration in the west sea water was 2-fold higher than that in the east sea water, while phosphorus concentrations (0.03 ppm) were similar. Concentrations of $Cu^{2+}$ and $Pb^{2+}$ were 0.004 and 0.003 ppm respectively which are far below environmental standard concentrations (0.02 ppm for $Cu^{2+}$ and 0.1 ppm for $Pb^{2+}$). Taking those data into account, we have done laboratory investigations into the effects of inorganic nutrients and heavy metals on U. pertusa. As nitrate concentration increased from 0.5 to 5 ppm, growth rate of U. pertusa increased, but different concentrations of phosphorus did not cause any differential effect. On the other hand, chlorophyll contents increased with increasing phosphorus concentrations. Copper of U. pertusa be toxic decreased the growth and pigmentation as the concentration increased, whereas lead showed no such effect. Concentrations of $Cu^{2+}$ employed in the present study were much higher than those in ambient seawater. Intermittent soaring of $Cu^{2+}$ level as observed in natural seawater could, however, seriously damage the growth behaviour of U. pertusa.
 
Ű¿öµå
Ulva pertusa Kjellman;Inorganic nutrients;Haevy Metals;
 
ȯ°æ»ý¹° / v.17, no.4, 1999³â, pp.427-438
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921495000)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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