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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.35, no.3, 2002³â, pp.220-231
³²°­ÀÇ ¾î·ù»ó°ú ±ºÁý±¸Á¶
( The Fish Fauna and its Community Stucture in the Nam River, Nakdong River System, Korea )
¾çÈ«ÁØ;±ÝÁöµ·; °æºÏ´ëÇб³ »ý¹°±³À°°ú;°æºÏ´ëÇб³ »ý¹°±³À°°ú;
 
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2000³â 4¿ùºÎÅÍ 2001³â 9¿ù±îÁö ³²°­´ï ÇÏ·ùÀÇ º»·ù¿Í À¯ÀÔÇÏõÀÇ ¾î·ù»ó ¹× ±ºÁý±¸Á¶¸¦ Á¶»çÇÏ¿´´Ù. Á¶»ç±â°£ Áß Ã¤ÁýµÈ ¾î·ù´Â 11°ú 30¼Ó 39Á¾À̾úÀ¸¸ç, ±× Áß À×¾î°ú ¾î·ù°¡ 58.9%, ±â¸§Á¾°³°ú ¾î·ù°¡ 12.8%·Î ³ôÀº °ªÀ» ³ªÅ¸³»¾ú´Ù. äÁýµÈ Á¾¿¡¼­ Çѱ¹ °íÀ¯Á¾Àº R. uyekii, A. koreensis, A. yamatsutae, C. leuciscus, S. chankensis tsuchigae, S. gracilis majimae, S. variegatus wakiyae, M. yaluensis, M. rapidus, k. nakdongensis, N. multifasciata, L. mediadiposalis, C. herzi, O. platycephalaÀÇ 14Á¾À̾ú´Ù. º»·ù¿¡¼­¸¸ äÁýµÈ Á¾Àº P. esocinus, S. scherzeri, P. altivelis, C. argusÀÇ 4Á¾À̾úÀ¸¸ç, Áö·ù¿¡¼­¸¸ äÁýµÈ Á¾Àº R. ocellatus, C. splendidus, S. gracilis majimae, H. longirostris, M. yaluensis, M. rapidus, Z. temmincki, M. mizolepis, K. nakdongensis, N. multifasciata, P. fulvidraco, L. mediadiposalis, C. herzi, O. platycephalaÀÇ 14Á¾À̾ú´Ù. º»·ùÀÇ ´Ù¾çµµ¡¡Áö¼ö´Â 0.979·Î Áö·ùÀÇ ´Ù¾çµµ¡¡Áö¼ö 0.966º¸´Ù ¾à°£ ³ôÀº °ªÀ» ³ªÅ¸³»¾ú´Ù. º»·ùÀÇ St.3°ú Áö·ùÀÇ St. 1, 16Àº Á¶»çÁö¿ª Áß¿¡¼­µµ °¢°¢ ³ôÀº ´Ù¾çµµ Áö¼ö (1.05, 0.962,0.956)¿Í ³·Àº ¿ìÁ¡µµ(0.102,0.369,0.200)¸¦ º¸¿© ¾ÈÁ¤µÈ ±ºÁý±¸Á¶¸¦ °¡Áö°í ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±¹¿Ü ¹× ±¹³»ÀÇ ´Ù¸¥ ¼ö°è¿¡¼­ µµÀÔµÈ Á¾Àº M. salmoides, L. macrochirus, O. bidens¿Í P. fulvidracoÀÇ 4Á¾À̾ú´Ù.
The fish fauna and Community were surveyed from April 2000 to September 2001 at 23 stations in the nam river, the first tributary located to the lower reach of the Nakdong River system. During the study period, 39 species belonging to 29 genera and 11 families were collected. Of which 14 species are endemic species or subspecies in Korea. Introduced species from other river system, O. bidens had not been collected at all after the report of Yang (1973) but many individuals were captured at main stream and tributary in this survey. Introduced species from abroad M. salmoides increased at most of stations. Dominant species in main stream were Z. platypus, O. bidens and H. labeo. On the contrary, Z. temmincki, Z. platypus and S. gracilis majimae dominated the tributaries. Diversity indices of main stream and tributaries were 0,979 and 0.966 respectively. St. 3 of main stream and St.1 and 16 of tributaries had high diversity indices (1.05, 0.962, 0.956) and lower dominant indices (0.102, 0.369, 0.200). As a whole, dominant index was 0.160, diversity index 1.044 and evenness index 0.656. It indicated that the community structure of this river was stable and diverse relatively.
 
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fish fauna;community structure;Nam River;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.35, no.3, 2002³â, pp.220-231
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200218317179876)
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