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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.2, 2006³â, pp.226-235
³«µ¿°­ Áö·ù¿¡ ºÐÆ÷ÇÏ´Â Âü°¥°Ü´Ï °³Ã¼±ºÀÇ ÀüÀå°ú üÁß °ü°è ¹× von BertalanffyÀÇ ¼ºÀå¸ðµ¨
( Length-weight Relation and von Bertalanffy's Growth Model of Zacco koreanus Population Distributed in the Tributaries of the Nakdong River )
ÃÖÀÇ¿ë;ÃÖÀç¼®;¼­Áø¿ø; Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø ¼öÀÚ¿øÈ¯°æ¿¬±¸¼Ò;°­¿ø´ëÇб³ »ý¹°Çаú;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø ¼öÀÚ¿øÈ¯°æ¿¬±¸¼Ò;
 
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³«µ¿°­ Áß ${cdot}$ »ó·ù 4°÷ÀÇ À¯ÀÔÇÏõ¿¡ ºÐÆ÷ÇÏ´Â Âü°¥°Ü´Ï (Zacco koreanus) °³Ã¼±ºÀÇ ÀüÀå°ú üÁßÀÇ °ü°è ¹× von Bertalanffy's ¼ºÀå¸ðµ¨À» ºÐ¼®ÇÑ °á°ú ´ÙÀ½°ú °°´Ù. Á¶»ç±â°£ äÁýµÈ Âü°¥°Ü´Ï (Z. koreanus)°³Ã¼±ºÀÇ ÀüÀå-üÁß °ü°è¸¦ ºÐ¼®ÇÑ °á°ú ¸ðµç Á¶»çÇÏõ¿¡¼­ ȸ±Í°è¼ö b°ªÀÌ 3.0ÀÌ»óÀ¸·Î ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç º¸Çöõ¿¡¼­ 3.26·Î °¡Àå ³ôÀº ȸ±Í°è¼ö b°ªÀ» ³ªÅ¸³»¸ç Á¶»çÇÏõÁß °¡Àå ¾çÈ£ÇÑ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ±×·¯³ª ´Ù¸¥ ¼ö°è¿ÍÀÇ ºñ±³½Ã ÇѰ­¼ö°èÀÇ. Z. koreanus°³Ã¼±ºº¸´Ù´Â ¼ºÀåµµ°¡ ´Ù¼Ò ¶³¾îÁö´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÑÆí von Bertalanffy's ¼ºÀå¸ðµ¨¿¡ ÀÇÇØ À¯µµµÈ Brody¼ºÀå°è¼öÀÇ °æ¿ì À§Ãµ°ú º´º¸Ãµ¿¡¼­ °¢°¢ -0.18, -0.21·Î¼­ À̾Èõ(-0.38)°ú º¸Çöõ(-0.37)¿¡ ºñÇØ ¼ºÀå¼Óµµ°¡ ºü¸¦ °ÍÀ¸·Î »ý°¢µÈ´Ù.
Populations of Zacco koreanus, distributed in four different tributaries of mid-upper reach Nakdong River were investigated to analyze a length-weight relation and von Bertalanffy's growth model. Fish sampling was conducted by common method (cast net and kick net) during March to October 2005. Fishes caught in the field were identified immediately, and then individuals of Zacco koreanus were preserved in 10% formalin to further measure their total length and weight in the laboratory. As the results of the equation based on length-weight relation, values of parameter b on the population of all tributaries were greater than 3.0 and the value on Bohyeon Stream was the maximum (3.26), indicating that the fish in the stream became more rotund as the length increases. In the mean time, we examined Brody growth constant (k) induced by the von Bertalanffy's growth model, and we found more steady state population in Wi (-0.18) and Byeongbo (-0.21) Streams than in fan (-0.38) and Bohyeon (-0.37) Streams. The findings would be used to assess local water environment on tributaries of the Nakdong River with understanding of ecological characteristics on the population of Zacco koreanus, as well as provide us fundamental information on domestic study of fish ecology.
 
Ű¿öµå
Zacco koreanus;length-weight relation;von Bertalanffy's growth model;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.2, 2006³â, pp.226-235
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317186969)
¾ð¾î : Çѱ¹¾î
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