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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.44, no.2, 2011³â, pp.144-154
¼¶°­ÀÇ ¾î·ù±ºÁý ¹× ¸êÁ¾À§±âÁ¾ ²Ù±¸¸®(Gobiobotia macrocephala)¿Í µ¹»ó¾î(G. brevibarba)ÀÇ ¼­½ÄÇöȲ
( Study of the Fish Community Structure and Inhabiting Status of the Endangered Species Gobiobotia macrocephala and G. brevibarba in the Seom River, Korea )
°í¸íÈÆ;¹®½ÅÁÖ;¹æÀÎö; ¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;¼øÃµÇâ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÇØ¾ç»ý¸í°øÇаú;
 
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¼¶°­ÀÇ ¾î·ù ±ºÁý±¸Á¶ ¹× ¸êÁ¾À§±â¾îÁ¾ ²Ù±¸¸®(Gobiobotia macrocephala)¿Í µ¹»ó¾î(G. brevibarba)ÀÇ ¼­½ÄÇöȲÀ» ¾Ë¾Æº¸±â À§ÇÏ¿© 2010³â¿¡ 10°³ ÁöÁ¡À» ¼±Á¤ÇÏ¿© °èÀýº°·Î Á¶»çÇÏ¿´´Ù. ÃÑ ÃâÇöÇÑ ¾îÁ¾Àº 10°ú 37Á¾À̾ú°í, ¿ìÁ¡Á¾Àº ÇǶó¹Ì(Zacco platypus, 36.2%), ¾Æ¿ìÁ¡Á¾Àº(13.2%)¿Í µ¹»ó¾î(12.2%), ±× ´ÙÀ½À¸·Î ½¬¸®(Coreoleuciscus splendidus, 8.1%)¿Í ¹Ð¾î(Rhinogobius brunneus, 4.9%) µîÀÇ ¼øÀ¸·Î ¿ì¼¼ÇÏ°Ô ÃâÇöÇÏ¿´´Ù. ÃâÇöÁ¾ Áß Çѱ¹°íÀ¯Á¾Àº 18Á¾(48.6%)ÀÌ¿´À¸¸ç, ȯ°æºÎ ¸êÁ¾À§±âÁ¾Àº ²Ù±¸¸®¿Í µ¹»ó¾î 2Á¾ÀÌ ÃâÇöÇÏ¿´´Ù. ÁöÁ¡º° ÃâÇöÇÑ ¾îÁ¾À» ±Ù°Å·Î À¯»çµµ ºÐ¼®À» ÇÑ °á°ú »ó·ù(St. 1~3)¿Í Áß·ù(St. 4~6), ÇÏ·ù(St. 7~10)·Î Àß ±¸ºÐµÇ¾úÀ¸¸ç ÇÏ·ù·Î °¥¼ö·Ï ¿ìÁ¡µµ Áö¼ö´Â ´ëü·Î ³·¾ÆÁö°í, ´Ù¾çµµ Áö¼ö¿Í Á¾ dzºÎµµ Áö¼ö´Â ´ëü·Î ³ô¾ÆÁö´Â °æÇâÀ» º¸¿´´Ù. ¸êÁ¾À§±â ¾îÁ¾ÀÎ ²Ù±¸¸®´Â ¼¶°­ ÇÏ·ùÀÇ ÀÚ°¥°ú µ¹ÀÌ ½×ÀÎ ¿©¿ï¿¡¼­ ¼­½ÄÇÏ¿´°í, µ¹»ó¾î´Â Àü±¸°£¿¡ ½×ÀÎ ¿©¿ïÁö¿ª¿¡ ºñ±³Àû ³ôÀº ºñÀ²·Î ¼­½ÄÇϰí ÀÖ¾ú´Ù.
The fish community structure and inhabiting status of the endangered species Gobiobotia macrocephala and G. brevibarba were investigated at 10 stations in the Seom River, Korea from spring to autumn in 2010. During the survey, 37 species belonging to 10 families were found as inhabitants. A dominant species was Zacco platypus (36.2%), subdominant species were G. macrocephala (13.2%) and G. brevibarba (12.2%), and predominant species were Coreoleuciscus splendidus (8.1%) and Rhinogobius brunneus (4.9%). In addition, 18 species were endemic species to Korea; G. brevibarba and G. macrocephala were endangered species. The similarity index based on species composition and numbers clearly separated fish communities in the Seom River according to main sections, i.e., upper section (St. 1~3), middle section (St. 4~6) and lower section (St. 7~10). Dominance index gradually decreased toward the lower section, while diversity and species richness index gradually increased toward the downstream section. G. macrocephala resided in a fast-running downstream riffle with pebble and cobble substratum, while G. brevibarba inhabited the entire riffle with cobble substratum.
 
Ű¿öµå
Seom River;fish community;endangered fish;Gobiobotia brevibarba;Gobiobotia macrocephala;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.44, no.2, 2011³â, pp.144-154
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201124359107874)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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