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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.38, no.4, 2005³â, pp.503-509
¼öÈ­¸¦ Çü¼ºÇÏ´Â Mallomonas elongata (Synurophyceae) ÀǰèÀýÀû º¯µ¿°ú Áõ½Ä Ư¼º¿¡ ´ëÇѿµµ¿Í pHÀÇ ¿µÇâ
( Effects of Temperature and pH on Seasonal Changes and Growth Characteristics of a Bloom Forming Mallomonas elongata (Synurophyceae) )
À̰æ¶ô;±èÁøÈñ;À±È£¼º;±èÇѼø; °æºÏ´ëÇб³ »ý¹°Çаú;°æºÏ´ëÇб³ »ý¹°Çаú;°æºÏ´ëÇб³ »ý¹°Çаú;°æºÏ´ëÇб³ »ý¹°Çаú;
 
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ÀÛÀº ºÎ¿µ¾ç Àú¼öÁö¿¡¼­ ¼öÈ­¸¦ Çü¼ºÇÏ´Â Mallomonas elongataÀÇ °èÀýÀû º¯µ¿(2004³â 10¿ù-2005³â 9¿ù)°ú ¿Âµµ¿Í pH¿¡ ´ëÇÑ Áõ½Ä Ư¼ºÀ» ½ÇÇè½Ç ¹è¾çÀ» ÅëÇØ Á¶»çÇÏ¿´´Ù. ¼ö¿Â 12-$18^{circ}C$, pH8.4-9.5ÀÇ ¹üÀ§¸¦ ³ªÅ¸³½ 3¿ù ¸»¿¡¼­ 4¿ù ÃÊÀÇ ÂªÀº ±â°£ µ¿¾È M. elongataÀÇ ½ÉÇÑ bloom (ÃÖ°í 17,600 cells $mL^{-1}$ÀÌ ¹ß»ýÇÏ¿´´Ù. ÀÌ Àú¼öÁö·ÎºÎÅÍ ºÐ¸®ÇÑ M. elongataÀÇ batch culture¸¦ ÅëÇÑ ´Ù¾çÇÑ ¿Âµµ¿¡ ´ëÇÑ ¼ºÀå ¹ÝÀÀÀº bloomÀ» Çü¼º ÇÏ¿´À» ¶§ÀÇ Àú¼öÁö ¼ö¿Â°ú À¯»çÇÑ $15^{circ}C$ ¿¡¼­ Ãִ뼺Àå·üÀ» ³ªÅ¸³»¾ú´Ù. ¹Ý¸é pH¿¡ ´ëÇÑ Áõ½Ä Ư¼ºÀº bloom Çü¼º±âÀÇ Àú¼öÁö pH ¹üÀ§ º¸´Ù ³·Àº pH 6¿¡¼­ ÃÖ´ë ¼ºÀå·üÀ» ³ªÅ¸³»¾ú´Ù.
The growth characteristic of a predominant planktonic blooming species, Mallomonas elongata in a small shallow eutrophic pond was investigated In the field (from October 2004 to September 2005) and laboratory, Dense blooming (max. 17,600 cells $mL^{-1}$) of this silica-scaled chrysophytes was observed for a short time period in early spring (water temperature 12-$18^{circ}C$ and pH 8.4-9.5), The growth characteristics of M. elongata isolated from this pond was investigated at various temperatures and pH under batch culture. The unialgal culture of M. elongata showed maximum growth rate (${mu}max$) at $15^{circ}C$ similar to the natural conditions. However, the optimal pH of the isolated batch culture was lower than the pond water pH at which M. elongata appeared in large population density.
 
Ű¿öµå
planktonic bloom;Mallomonas elongata;unialgal culture;growth rate;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.38, no.4, 2005³â, pp.503-509
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200518317185630)
¾ð¾î : ¿µ¾î
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