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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.32, no.1, 1999³â, pp.69-69
´Þõ°­ÀÇ ¾î·ù±ºÁý±¸Á¶
( The Fish Community Structure in the Dalchon River, Namhan River System. )
³²¸í¸ð;°­¿µÈÆ;亴¼ö;¾çÈ«ÁØ; ±¹¸³¼ö»êÁøÈï¿ø;´ë±¸¿øÈ­¿©ÀÚ°íµîÇб³;ÀÚ¿¬»ýÅ¿¬±¸¼Ò;°æºÏ´ëÇб³ »ý¹°±³À°°ú;
 
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1996³â 4¿ùºÎÅÍ 1998³â 7¿ù±îÁö ³²ÇѰ­ÀÇ Áö·ùÀÎ ´Þõ°­ÀÇ ¾î·ù»óÀ» Á¶»çÇÑ °á°ú ¼­½ÄÀÌ È®ÀÎµÈ ¾î·ù´Â 10°ú 31¼Ó 40Á¾ ¶Ç´Â ¾ÆÁ¾À̾ú´Ù. äÁýµÈ ¾î·ù °¡¿îµ¥ À×¾î°ú ¾î·ù°¡ 28Á¾(60.9%)À¸·Î °¡Àå ¸¹¾Ò°í, ´ÙÀ½Àº ±â¸§Á¾°³°ú ¾î·ù°¡ 6Á¾(13.0%)À̾ú´Ù. Çѱ¹°íÀ¯Á¾Àº 7°ú 14¼Ó 19Á¾À¸·Î Àüü ÃâÇöÁ¾ÀÇ 41.3%¸¦ Â÷ÁöÇÏ¿´À¸¸ç, ¿Ü·¡ ¾îÁ¾Àº Cyprinus carpio nudus¿Í Micropterus salmoides¿´´Ù. ÃâÇöÁ¾ Áß¿¡¼­ ¿ìÁ¡Á¾Àº Zacco platypus (30.5%), ¾Æ¿ìÁ¡Á¾Àº Moroco oxycephalus (11.9%)¿´À¸¸ç, Zacco temmincki, Microphysogobio yaluensis ±×¸®°í Pungtungia herzi°¡ »ó´ëdzºÎµµ $5.9{sim}8.3%$·Î¼­ ¸¹ÀÌ ¼­½ÄÇϰí ÀÖ¾ú´Ù. ±×·¯³ª Rhodeus uyekii, Gnathopogon strigatus, Squalidus chankaensis tsuchigae, Microphysogobio longidorsalis, Misgurnus mizolepis, Pseudobagrus fulvidraco, Leiocassis ussuriensis, Silurus microdorsalis, Hypomesus olidus, Micropterus salmoides´Â $1{sim}3$°³Ã¼¸¸ ÃâÇöÇÏ¿© Èñ¼ÒÁ¾À̾ú´Ù. ´Þõ°­¿¡¼­ È®ÀÎµÈ ¾î·ùÀÇ Àüü ±ºÁý±¸Á¶¸¦ ºÐ¼®ÇÑ °á°ú´Â Á¾´Ù¾çµµ 1.149, ±Õµîµµ 0.691, ±×¸®°í ¿ìÁ¡µµ 0.130À̾ú´Ù.
The fish fauna and community structure were surveyed at the Dalchon River, Namhan River system, from April 1990 to July 1998. During the surveyed period 46 species, 31 genera belonging to 10 families were collected. Cyprinid fish occupied 60.9% (28 species) and cobitid fish 13.0% (6 species). Nineteen species (40.0%) of observed species were known as endemic species. The exotic fish were Cyprinus carpio nudus and Micropterus salmoides. The dominant species were Zacco platypus (relative abundance 30.5%) and Moroco oxycephalus (11.9%). Zacco temmincki, Microphysogobio yaluensis and Pungtungia herzi, were numerous ($5.9{sim}8.3%$). The rare species less than 0.05% were Rhodeus uyekii, Gnathopogon strigatus, Squalidus chankaensis tsuchigae, Microphysogobio longidorsalis, Misgurnus mizolepis, Pseudobagrus fulvidraco, Leiocassis ussuriensis, Silurus microdorsalis, Hypomesus olidus, and Micropterus salmoides. The species diversity, evenness, and dominance index of the fish community were 1.149, 0.69l, and 0.130, respectively.
 
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Fish fauna;Community;Diversity;Dalchon River;Han River;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.32, no.1, 1999³â, pp.69-69
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199910102424379)
¾ð¾î : Çѱ¹¾î
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