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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.36, no.2, 2003³â, pp.208-214
¹è¾çÁ¶°Ç¿¡ µû¸¥ ¹°º­·èÀÇ °³Ã¼»ý»ê Ư¼º
( Reproduction of Water Flea by the Culture Conditions )
ÃÖ¼ºÇå;ÀÓº´Áø; ±¹¸³È¯°æ¿¬±¸¿ø;±¹¸³È¯°æ¿¬±¸¿ø;
 
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±¹³»»ê ¹°º­·èÀÇ ¹è¾çÁ¶°Ç¿¡ µû¸¥ °³Ã¼ »ý»êƯ¼ºÀ» ºñ±³Çϰí ÃÖÀû ¹è¾çȯ°æ Á¶°ÇÀ» µµÃâÇϱâ À§ÇÏ¿© ¹è¾çÁ¶°Ç¿¡ µû¸¥ ¹°º­·èÀÇ °³Ã¼»ý»êƯ¼ºÀ» Á¶»çÇÏ¿´´Ù. Daphnia magna, D. pulex, Moina macrocopa´Â Åðºñ¸¦ ÀÌ¿ëÇÑ ¹è¾ç¾×À¸·Î ¹è¾çÇÏ´Â °ÍÀÌ »ýÁ¸±â°£°ú °³Ã¼ ¹ß»ý ¼ö Ãø¸é¿¡¼­ °¡Àå È¿°ú°¡ ÁÁ¾ÒÀ¸¸ç D. galeata´Â À̿ʹ ´Þ¸® ºñ·á¸¦ ÀÌ¿ëÇÑ ¹è¾ç¾×¿¡¼­ °¡Àå ¼ºÀå·üÀÌ ÁÁ¾Ò´Ù. D. galeata´Â Àü¹ÝÀûÀ¸·Î ¹è¾çÀÌ ¾î·Á¿üÀ¸¸ç ¹è¾ç±â°£ µ¿¾ÈÀÇ »õ³¢ ¹ß»ýµµ Àû¾î Àΰø ¹è¾ç½Ã¿¡ »ó´çÇÑ °ü½ÉÀÌ ¿ä±¸µÇ¾ú´Ù. ³²Á¶·ù Microcystis sp.ÀÇ microcystinÀ̶ó´Â µ¶¼Ò´Â Æ÷À¯·ù¸¦ ºñ·ÔÇÑ ¿©·¯ »ý¹°¿¡°Ô Á÷Á¢ÀûÀÎ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ¹àÇôÁ³À¸³ª ±Ý¹ø ½ÇÇè¿¡¼­´Â ¹°º­·èÀÇ »ýÁ¸¿©ºÎ¿¡ ´ëÇØ¼­´Â µ¶¼ÒÀÇ ¿µÇ×ÀÌ Å©°Ô ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. ¶ÇÇÑ ³²Á¶·ù Microcystis sp.¸¦ °ø±Þ¹ÞÀº ¹°º­·èÀº Á¦ÇÑµÈ ¸ÔÀÌ Á¦°øÀ¸·Î ÀûÀº ¾çÀÇ Microcystis sp.¸¦ ºÒ°¡ÇÇÇÏ°Ô ¼·ÃëÇÔÀ¸·Î½á »ó´ëÀûÀ¸·Î »ýÁ¸±â°£ÀÌ Âª¾ÒÀ¸¸ç °³Ã¼ »ý»êÀ²µµ ³·¾Ò´Ù. Scenedesmus sp.¸¦ ¸ÔÀÌ·Î °ø±ÞÇÑ °æ¿ì´Â ¹°º­·èÀÇ Á¾·ù¿Í ¹è¾ç¾×ÀÇ Á¾·ù¿¡ »ó°ü¾øÀÌ Microcystis sp.¸¦ ¸ÔÀÌ·Î °ø±ÞÇÑ °æ¿ìº¸´Ù »ýÁ¸±â°£ÀÌ ±æ°í °³Ã¼¹ß»ý¼öµµ ¸¹¾Ò´Ù. °¢ ¹°º­·èÀº $20^{circ}C$¿¡¼­º¸´Ù ´õ »ýÁ¸±â°£ÀÌ ±æ°í ´õ ¸¹Àº °³Ã¼¸¦ ¹ß»ýÇÏ¿© ¹°º­·è ¹è¾çÀº $15^{circ}C.$º¸´Ù $20^{circ}C$°¡ ÀûÀýÇÔÀÌ È®ÀεǾú´Ù. ÀÌ·¯ÇÑ °á°ú¸¦ Åä´ë·Î º¼ ¶§ D. galeata¿Í M. macrocopa´Â ¹°º­·èÀ» ÀÌ¿ëÇÑ ¼öÁú°¨½Ã¿Í µ¶¼º½ÇÇè¿¡ »ç¿ëÇϱ⿡ ¾î·Á¿òÀÌ ¸¹Àº Á¾ÀÌ¸ç ±âÁ¸¿¡ »ç¿ëÇϰí ÀÖ´Â D. magna¿Í ±¹³»¿¡¼­µµ ºÐÆ÷Çϰí ÀÖ´Â D. pulex¸¦ »ç¿ëÇÏ´Â °ÍÀÌ ¿ëÀÌÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.0.001). º» ¿¬±¸±â°£µ¿¾È µ¿¹°Çöûũſ ¼·½Ä¿¡ ÀÇÇÑ Ã»¼ö±â´Â °üÂûµÇÁö ¾Ê¾ÒÀ¸¸ç, µ¿ ${cdot}$ ½Ä¹°ÇöûũſÀÇ ´Ù¾ç¼ºÀº ½Ä¹°ÇöûũſÀÇ »ý¹°·® Áõ°¡ ½Ã ȸº¹µÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸°á°ú¿¡¼­´Â ºÎ¿µ¾ç È£¼ö¿¡¼­ µ¿¹°ÇöûũſÀÇ ¼·½ÄÀ̳ª Á¦ÇÑ¿µ¾ç¿°ÀÇ °áÇÌÀÌ ½Ä¹°ÇöûũſÀÇ ÇöÁ¸·®¿¡ ¿µÇâÀ» Ãâ ¼ö ÀÖÀ¸³ª ±ºÁýÀÇ º¯È­¸¦ ¾ß±âÇÏÁö´Â ¸øÇÔÀÌ Á¦½ÃµÇ¾ú´Ù.X>$NH_4;^+$, $NO_3;^-$, $PO_4;^{3-}$ ¹× $SiO_2$ÀÇ ¿ëÃâ·® ¹üÀ§´Â °¢°¢ -9${sim}$ 105 mgN $m^{-2}day^{-1}$, -156${sim}$62 $m^{-2}day^{-1}$ -5${sim}$5 $m^{-2}day^{-1}$, ¹× 12 ${sim}$ 117 $m^{-2}day^{-1}$¿´´Ù. ³«µ¿°­°ú ¼­³«µ¿°­¿¡¼­ ½Ä¹°ÇöûũſÀÇ 1Â÷ »ý»ê¼º°ú Á¶Ã¼ÀÇ C:N:PÀÇ Redfield ºñÀ² 106: 16: 1À» ÀÌ¿ëÇÏ¿© ÃßÁ¤ÇѰá°ú ÀúÁú¿¡¼­ ¿ëÃâµÇ´Â $NH_4;^+$´Â ½Ä¹°ÇöûũſÀÇ ¿ä±¸·®ÀÇ 9 ${sim}$23%À̾ú°í, $PO_4;^{3-}$´Â 11 ${sim}$ 22%¸¦ Â÷ÁöÇÏ¿´´Ù.µµ·Î °ËÃâµÇ¾î À̸¦ °í·ÁÇÑÁ¤¼ö°øÁ¤ÀÇ °ü¸®°¡ ÇÊ¿äÇϸ®¶ó »ý°¢µÈ´Ù.$yr^{-1}$)ÀÇ 71%°¡ °¨¼ÒµÇ¾î¾ß ÇÒ Çʿ伺ÀÌ Á¦±âµÇ¾ú´Ù. ¶ÇÇÑ ¿©¸§Ã¶ ½ÉÃþ »ê¼Ò °í°¥ÀÌ ¾ß±âµÇ¾ú°í, ÀÌ ½Ã±â¿¡ ÅðÀû¹°·Î ¿ëÃâµÈ ÀÎÀÌ ½Ä¹°Çöûũſ ¼ºÀå¿¡ ÀÌ¿ëµÉ ¼ö Àֱ⶧¹®¿¡ ÅðÀû¹°¿¡ ´ëÇÑ °ü¸®µµ ¼öÇàµÉ Çʿ䰡 ÀÖ´Ù.rsity)Áö¼ö´Â 2000³â 7
Four species of water fleas (Daphnia magna, Daphnia pulex, Daphnia galeata, and Moina macrocopa) were examined for the clarification of their reproduction with culture conditions. The reproduction tests of water flea by the culture conditions were carried out. For the comparison of the reproduction rate, five media (manure-soil medium, DIN medium, M4 medium, EPA medium, fertilizer medium) were applied to determine the best medium. Daphnia magna, Daphnia pulex, and Moina macrocopa were appeared the best reproduction in the manure-soil medium at $20^{circ}C.$ The lifespan and young reproduction were better in manure-soil medium than the others. But Daphnia galeata was lived for 34 days in the fertilizer medium at $20^{circ}C.$ The culture of Daphnia galeata was difficult to rear than the other species. In the current study, the microcystin of Microcystis sp. did not particularly affect on the survival of water fleas. But the lifespan was short and the reproduction rate was low. Therefore water flea have a preference for Scenedesmus sp. than Microcystis sp. On the condition of the feeding Scenedesmus sp., all examined water fleas appeared to have the longest lifespan and the most young water fleas produced at any medium and temperature as compared with the feeding the Microcystis sp. For the culture temperature, the lifespan was longer on $20^{circ}C$ than $15^{circ}C.$
 
Ű¿öµå
water flea;reproduction;culture condition;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.36, no.2, 2003³â, pp.208-214
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200318317181201)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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