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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.44, no.2, 2011³â, pp.136-143
¸êÁ¾À§±â ¾î·ù µ¹»ó¾î Gobiobotia brevibarbaÀÇ ³­¹ß»ý ¹× Ãʱâ»ýȰ»ç
( Egg Development and Early Life History of the Endangered Species Gobiobotia brevibarba (Pisces: Cyprinidae) )
°í¸íÈÆ;¹Ú»ó¿ë;ÀÌÀÏ·Î;¹æÀÎö; ¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;
 
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¸êÁ¾À§±âÁ¾ µ¹»ó¾î Gobiobotia brevibarbaÀÇ Ãʱâ»ýȰ»ç¿¡ ´ëÇÑ ¿¬±¸´Â »ý¹°ÇÐÀû Ư¼º ¹× º¹¿øÀÇ ±âÃÊÀڷḦ È®º¸Çϱâ À§ÇØ 2010³â 4¿ùºÎÅÍ 6¿ù±îÁö °­¿øµµ ȫõ±º¿¡¼­ ¼º¼÷ÇÑ °³Ã¼¸¦ äÁýÇÏ¿© ³­¹ß»ý ¹× Ãʱâ»ýȰ»ç¸¦ Á¶»çÇÏ¿´´Ù. äÁýµÈ ¼º¼÷ÇÑ ¾ÏÄÆ°ú ¼öÄÆÀº OvaprimÀ» ÁÖ»çÇÑ ÈÄ °Ç½Ä¹ýÀ¸·Î Àΰø¼öÁ¤½ÃÄ×´Ù. ¼º¼÷¶õÀº ¾àÇÑ Á¢Âø¼ºÀ» ¶í Åõ¸íÇÑ È¸»ö³­À̾úÀ¸¸ç, ³­°æÀº $1.24{pm}0.07$ mm ¿´´Ù. ¼ö¿Â $23^{circ}C$¿¡¼­ ¼öÁ¤ ÈÄ 120½Ã°£ ÈÄ¿¡ ºÎÈ­ÇÏ¿´À¸¸ç, ºÎÈ­ Á÷ÈÄ Àü±âÀÚ¾î´Â ÀüÀå $5.5{pm}0.29$ mm¿´´Ù. ºÎÈ­ÈÄ 4Àϸ¸¿¡ ³­È²À» ¸ðµÎ Èí¼öÇÏ¿´À¸¸ç ÀüÀå $7.4{pm}0.26$ mm·Î ¼ºÀåÇÏ¿´°í, ºÎÈ­ ÈÄ 15 ÀÏ¿¡´Â ÀüÀå $9.9{pm}0.72$ mm·Î ¸ðµç Áö´À·¯¹Ì ±âÁ¶°¡ Á¤¼ö°¡ µÇ¾î Ä¡¾î±â·Î ÀÌÇàÇÏ¿´´Ù. ºÎÈ­ ÈÄ 100 ÀÏ ÈÄ¿¡´Â ÀüÀå $36.0{pm}3.11$ mm·Î Ã¼Ãø¹Ý¹®°ú ¿ÜºÎÇüŰ¡ ¼º¾î¿Í À¯»çÇÑ ¸ð½ÀÀ» º¸¿´´Ù.
Early life history of the endangered species Gobiobotia brevibarba was investigated to provide baseline data for biological characteristics and restoration. Adult fish were sampled by spoon net capture at Hongcheon-gun, Gangwon-do, Korea, in April 2010. Eggs were obtained after injection of Ovarprim and were artificially fertilized by the dry method in the laboratory. The mature eggs were slightly adhesive and transparent with greyish and average $1.24{pm}0.07$ mm in diameter. The hatching of the embryos took place about 120 h after fertilization at a water temperature of $23^{circ}C$. The newly-hatched larva averaged $5.5{pm}0.29$ mm in total length. Four days after hatching, they averaged $7.4{pm}0.26$ mm in total length and their yolk sacs were completely absorbed. From 15 days after hatching, they entered the juvenile stage and reached $9.9{pm}0.72$ mm in total length. One hundred days after hatching, their band patterns and external form were similar to those of adults, and they averaged $36.0{pm}3.11$ mm in total length.
 
Ű¿öµå
endangered fish;Gobiobotia brevibarba;egg development;early life history;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.44, no.2, 2011³â, pp.136-143
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201124359107868)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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