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Çѱ¹È¯°æ»ýÅÂÇÐȸ / v.20, no.4, 2006³â, pp.391-399
Ⱦ¼ºÈ£ »ó.ÇÏ·ù¿¡ ºÐÆ÷ÇÏ´Â Âü°¥°Ü´Ï(Zacco koreanus, Cyprinidae)ÀÇ °³Ã¼±º µ¿ÅÂ
( Population Dynamics of Korean Chub(Zacco koreanus, Cyprinidae) in the Upstream and Downstream of Lake Hoengseong )
ÃÖÀç¼®;¹Ú½Âö;À念¼ö;À̱¤¿­;ÃÖÁرæ; °­¿ø´ëÇб³ »ý¹°Çаú;»óÁö´ëÇб³ »ý¸í°úÇаú;°­¿ø´ëÇб³ »ý¹°Çаú;°­¿ø´ëÇб³ »ý¹°Çаú;»óÁö´ëÇб³ »ý¸í°úÇаú;
 
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2005³â 4¿ùºÎÅÍ 10¿ù±îÁö Ⱦ¼ºÈ£¸¦ Áß½ÉÀ¸·Î »ó ÇϺο¡ ºÐÆ÷ÇÏ´Â Âü°¥°Ü´Ï(Zacco koreanus) °³Ã¼±ºÀÇ µ¿Å¸¦ ¾Ë¾Æº¸¾Ò´Ù. Âü°¥°Ü´Ï °³Ã¼±ºÀÇ ½Ã±â º° º¯µ¿À» ºñ±³ÇÑ °á°ú ÇϺΠÁö ¿ªÀÌ »óºÎ Áö¿ªº¸´Ù ¾çÈ£ÇÑ °³Ã¼±ºÀ» À¯ÁöÇÏ´Â °ÍÀ¸·Î È®ÀεǾú´Ù ¶ÇÇÑ Âü°¥°Ü´Ï °³Ã¼±ºÀÇ ÀüÀå-üÁß »ó°üµµ ºÐ¼® °á°ú ÇϺΠÁö ¿ªÀÇ b°ªÀº $3.21{sim}3.35$¿´°í »óºÎ Áö¿ªÀº $2.94{sim}3.37$·Î¼­ ÇϺΠÁö ¿ªÀÇ ½Ã±â º° °³Ã¼±ºÀÌ ¾çÈ£ÇÑ °ÍÀ¸·Î º¸¿´À¸¸ç »óºÎ Áö ¿ªÀº ºó¾àÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±×¸®°í ºñ¸¸µµÁö¼ö(K)´Â ÇϺΠÁö ¿ª¿¡¼­ $0.0292{sim}0.0693$ÀÎ ¹Ý¸é »óºÎ Áö¿ªÀº$-0.0165{sim}0.0499$·Î ÇϺΠÁö ¿ª¿¡ ºñÇØ K°ªÀÌ ¶³¾îÁö´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ÇÑÆí von BertalanffyÀÇ ¼ºÀå¸ðµ¨¿¡ ÀÇÇØ »êÃâµÈ º» °³Ã¼±ºÀÇ Ãִ뼺Àå °ª$(L_{infty})$Àº »óºÎ Áö¿ª¿¡¼­ 279.7mm, ÇϺΠÁö ¿ª¿¡¼­ 303.9mm·Î °¢°¢ ³ªÅ¸³ª ÇϺΠÁö¿ªÀÇ ÀáÀ缺Àå´É·ÂÀÌ »óºÎ Áö¿ªº¸´Ù ³ôÀº °ÍÀ¸·Î È®ÀεǾú´Ù. ÀÌ¿Í °°ÀÌ È¾¼ºÈ£ »óºÎ Áö¿ªÀÇ Âü°¥°Ü´Ï °³Ã¼±ºÀº ¿¬·É±¸Á¶, ÀüÀå-üÁß »ó°üµµ ºÐ¼®, von BertalanffyÀÇ ¼ºÀå¸ðµ¨ °á°ú¿¡¼­ ÇϺΠÁö ¿ªº¸´Ù ¶³¾îÁö´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç ÀÌ·¯ÇÑ °á°ú´Â ´ïÀÇ Çü¼ºÀ¸·Î ÀÎÇÑ ¼öü¿Í ¹°¸®Àû ¼­½Äȯ°æÀÇ º¯È­ ¶§¹®À¸·Î º¸¿´´Ù.
The population dynamics of Zacco koreanus in the upstream and downstream of Hoengseong Lake, Korea were investigated from April to October 2005. As the result of a comparison of variations regarding the time of I koreanus populations, it was confirmed that downstream was a place to remain compared to upstream Also the b value, assessed by Length-weight relationship in upstream and downstream, were $3.21{sim}3.35,;and;2.94{sim}3.37$, respectively indicating the fish in downstream had better than upstream. Additionaly condition factor(K) of each population in upstream and downstream were $0.0292{sim}0.0693;and;-0.0165{sim}0.0499$, respectively, K value in upstream lower than downstream. On the other hand, the maximum-growth value$(L_{infty})$ calculated by von Bertalanffy's growth model in upstream and downstream were 279.7mm and 303.9mm, respectively, indicating that the potential-growth ability of population in downstream was higher than population in upstream. Therefore, Z. koreanus population in upstream became worse based on matters of age structure, Length-weight relationship, and von Bertalanffy's growth model. These results are considered to show the change of the physical environment by the constructing of Hoengseong Dam.
 
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ÀüÀå-üÁß »ó°üµµ;ºñ¸¸µµ Áö¼ö;¼ºÀå¸ðµ¨;LENGTH-WEIGHT RELATIONSHIP;CONDITIION FACTOR;GROWTH MODEL;
 
Çѱ¹È¯°æ»ýÅÂÇÐȸÁö / v.20, no.4, 2006³â, pp.391-399
Çѱ¹È¯°æ»ýÅÂÇÐȸ
ISSN : 1229-3857
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200606142049543)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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