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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.34, no.3, 2001³â, pp.251-258
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( The fish Fauna and Migration of the Fishes in the Fish Way of the Nakdong River Mouth Dam )
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³«µ¿°­ Çϱ¸ÀÇ ¾î·ù»ó°ú Çϱ¸µÏ¿¡ ¼³Ä¡ÇÑ ¾îµµÀÇ ¾î·ù À̵¿À» Á¶»çÇϱâ À§ÇÏ¿© 2000³â 6¿ùºÎÅÍ 12¿ù±îÁöDamÀ» Áß½ÉÀ¸·Î »ó${cdot}$ÇÏ·ù¿¡ ¼­½ÄÇÏ´Â ¾î·ù¿Í ¾îµµ¸¦¡¡Åë°úÇÏ´Â ¾îÁ¾À» Á¶»çÇÏ¿´´Ù. Çϱ¸¿¡ DamÀ» °Ç¼³ÇÔÀ¸·Î¼­ ±âÁ¸¿¡ Á¸ÀçÇÏ´ø ±â¼öÁö¿ªÀÇ »ýŰ谡 ¿ÏÀüÈ÷ »ç¶óÁö°í DamÀ» Áß½ÉÀ¸·Î ´ã¼ö»ýŰè¿Í ÇØ¾ç»ýŰ谡 ¼±»óÀ¸·Î ÀÎÁ¢ÇÏ¿© ÃßÀÌ´ë°¡ Çü¼ºµÇÁö ¾Ê¾Ò´Ù. Á¶»ç±â°£¿¡ ÇØ¼ö¿Í ´ã¼öÀÇ µÎ »ýŰ迡¼­ äÁýµÈ ¾îÁ¾Àº ¸ðµÎ 10¸ñ 29°ú 45¼Ó 49Á¾À̾ú´Âµ¥ ±× Áß ´ã¼ö»ê ¾î·ù°¡ 10Á¾. ÁÖ¿¬¼º ¾î·ù´Â 11Á¾, ÇØ»ê ¾î·ù´Â 28Á¾À̾ú´Ù. ÇØ¼ö¿Í ´ã¼ö¶ó´Â »ýŰèÀÇ Â÷ÀÌ ¶§¹®¿¡ Á¶»çÁö¿ªº°·Î¡¡Á¾ ±¸¼ºÀÌ ´Þ¶ú´Âµ¥, ¸íÁöÁö¿ª¿¡¼­ äÁýµÈ ¾î·ù´Â 9¸ñ27°ú 36¼Ó 39Á¾ÀÌ¸ç ¿ìÁ¡Á¾Àº A. flavimanus (39.1%)À̾ú°í ´ã¼ö¿µ¿ªÀÎ »ç»óÁö¿ªÀº 6¸ñ 9°ú 19¼Ó 21Á¾ Áß¿¡¡¡¿ìÁ¡Á¾Àº A. macropterus (44.4%)¿´´Ù. ³«µ¿°­ Çϱ¸ DamÀÇ ¾îµµ¿¡ ¼³Ä¡ÇØ µÐ video camera·Î ÃÔ¿µÇÑ ¾î·ù¸¦ 3ȸ¿¡ °ÉÃÄ È®ÀÎÇÑ °á°ú C. ectenes, C. carpio, H. labeo, S. gracilis majimae, P. altivelis, L. japonicus, A. japonica, M. cephalus ¹× P. nebulosa µî 9Á¾¸¸ÀÌ È®ÀεǾú´Ù. äÁýµÈ °³Ã¼¼ö¸¦ ±âÁØÀ¸·Î »êÃâÇѼÒÇϼº ¾î·ùÀÇ À̵¿À²Àº 10.1%À̾ú´Âµ¥, À̸¦ ±Ù°Å·ÎÇÒ ¶§ ȸÀ¯¾î·ùÀÇ À̵¿À» À§ÇØ ¾îµµÀÇ ¼³Ä¡´Â ÇÊ¿äÇÏÁö¸¸, ÇöÀç ¿î¿µµÇ°í ÀÖ´Â ¾îµµÀÇ È¿À²¼ºÀº ³·¾Ò´Ù.
The ichthyofauna and passing efficiency of fish ways were surveyed in the lower and upper regions of the river mouth dam in the lower reaches of the Nakdong river from June to December in 20()0. As the dam built in the river mouth, the brackish area in the estuary disappeared completely and the transitional area did not formed. The fishes collected from survey were classified into 49 species, 45 genera belonging to 29 families. Among them, the fresh water fishes composed of 10 species, peripheral freshwater fishes 11 species and sea water fishes 28 species respectively. Because of the ecological difference between the fresh and sea water, dominant species in the Myeong-ji of sea water area was Acanthogobius flavimanus (39.1%) and in the Sa-sang of fresh water area was Achanthorhodeus macropterus (44.4%). By the video camera records, fishes were identified nine species like as Coilia ectenes, Cyprinus carpio, Hemibarbus labeo, Squalidus gracilis majimae, Plecoglosus altivelis, Lateolabrax japonicus, Anguilla japonica, Mugil cephalus and Pholis nebulosa. Based on total species collected, the efficiency of the fish way for the anadromous fish was 10.1%. Therefore, efficiency evaluation of the fish way in the Nakdong River Mouth Dam was low.
 
Ű¿öµå
Fish fauna;Migration;Fish way;Nakdong river mouth dam;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.34, no.3, 2001³â, pp.251-258
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200118317178298)
¾ð¾î : Çѱ¹¾î
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