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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.25, no.4, 2007³â, pp.378-384
²¿Ä¡µ¿ÀÚ°³(Pseudobagrus brevicorpus)ÀÇ »ýÅÂ¿Í Ãʱ⠻ýȰ»ç
( Ecology and Early Life History of Endangered Freshwater Fish, Pseudobagrus brevicorpus (Pisces: Bagridae) )
°­¾ðÁ¾;¾çÇö;ÀÌÈïÇå;Á¶¿ëö;±èÀÀ¿À;ÀÓ»ó±¸;¹æÀÎö; ³²ºÎ³»¼ö¸é¿¬±¸¼Ò;(ÁÖ)»ý¹°´Ù¾ç¼º¿¬±¸¼Ò;(ÁÖ)»ý¹°´Ù¾ç¼º¿¬±¸¼Ò;³²ºÎ³»¼ö¸é¿¬±¸¼Ò;³²ºÎ³»¼ö¸é¿¬±¸¼Ò;³²ºÎ³»¼ö¸é¿¬±¸¼Ò;¼øÃµÇâ´ëÇб³;
 
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¸êÁ¾À§±â¿¡ óÇÑ ¿ì¸®³ª¶ó °íÀ¯ ´ã¼ö¾îÀÎ ²¿Ä¡µ¿ÀÚ°³ Pseudobagrus brevicorpusÀÇ Áõ½Ä º¹¿øÀ» À§ÇÑ ¿¬±¸ÀÇ ÀÏȯÀ¸·Î »ýÅÂ¿Í Ãʱâ»ýȰ»ç¿¡ ´ëÇØ Á¶»çÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. ²¿Ä¡µ¿ÀÚ°³´Â ƯÁ¤ Á¶°Ç¿¡ ¹ÐÁýµÇ¾î °³Ã¼±ºÀ» Çü¼ºÇÏ¸ç ¼­½Ä¹Ðµµ´Â 1.25°³Ã¼ $m^{-2}$À̾ú°í, »ý»ê·ÂÀº 200$sim$250°³ ¸¶¸®$^{-1}$ ³·¾Æ ¸êÁ¾À§±â »óȲÀ» ½Ã»çÇÏ¿´´Ù. »ê¶õÀº ÀÚ¿¬»ê¶õ À¯µµ °á°ú ¼öÃÊ¿¡ »ê¶õÇÏ´Â °ÍÀ¸·Î ÃßÁ¤µÇ¸ç ºÎÈ­ÇÑ Ä¡¾î´Â ±ºÁý»ýȰÀ» ÇÑ´Ù. ¼öÁ¤³­Àº ¾à 50½Ã°£¸¸¿¡ ºÎÈ­ÇÏ¿´À¸¸ç, ºÎÈ­ 3ÀÏ ÈÄ ³­È²ÀÌ °ÅÀÇ Èí¼öµÇ¾ú°í, ºÎÈ­ 8ÀÏ ÈÄ¿¡´Â ¿ÃìÀÌÇüÀ¸·Î ±ºÁýÇϸç, 30Àϰ濡 ¾î¹Ì¿Í °°Àº ÇüŸ¦ º¸ÀÌ´Â Ä¡¾î±â·Î ¼ºÀåÇÏ¿´´Ù. ÀÌ·¯ÇÑ »ê¶õ »ýÅÂ¿Í °ü·ÃÇÏ¿© ¸êÁ¾À§±â¿¡ óÇÑ ²¿Ä¡µ¿ÀÚ°³ÀÇ Áõ½Ä º¹¿ø°ú º¸Á¸À» À§ÇÑ ¹æ¾ÈµéÀ» °íÂûÇÏ¿´´Ù.
Some of ecological factors and the early life history of endangered freshwater fish, Pseusobagrus brevicorpus, were investigated to proliferate artificially and to restore the population by release seedlings. The density of population in restricted area by small scale dam was 1.25 ind. $m^{-2}$, and the low capacity for reproduction having 200$sim$250 eggs ind$^{-1}$. were thought to be a reason of this endangered situation. From the result of induction of natural spawning in aquarium after hormone injection it was considered that the spawning substrate would be aquatic plants with slender branches. The hatching was observed after 50 hrs after fertilization and the larvae showed aggressive behavior. Yolk was almost absorbed 3 days after hatching, and the larvae shaped tad-pole grew up to fry after 30 days. We discussed on the strategies for conservation of this species according to those results from investigation on ecology and early life history.
 
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endangered species;Pseudobagrus brevicorpus;
 
ȯ°æ»ý¹° / v.25, no.4, 2007³â, pp.378-384
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200714364665537)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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