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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.40, no.2, 2007³â, pp.337-345
¿ÁÁ¤È£ À°ºÀÇü Àº¾î Plecoglossus altivelis(Pisces: Osmeridae)ÀÇ ¼ºÀå¿¡ µû¸¥ ½Ä¼º ¹× ¼·½Ä±â°üÀÇ º¯È­
( The Change of Feeding Habits and Feeding Organ of Land-locked Plecoglossus altivelis (Pisces: Osmeridae), in Relation to Growth in the Lake Okjeong, Korea )
°í¸íÈÆ;±èÀͼö;¹ÚÁ¾¿µ;ÀÌ¿ëÁÖ; ÀüºÏ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°°úÇкÎ, ÀüºÏ´ëÇб³ ºÎ¼³»ý¹°´Ù¾ç¼º¿¬±¸¼Ò;ÀüºÏ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°°úÇкÎ, ÀüºÏ´ëÇб³ ºÎ¼³»ý¹°´Ù¾ç¼º¿¬±¸¼Ò;ÀüºÏ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°°úÇкÎ, ÀüºÏ´ëÇб³ ºÎ¼³»ý¹°´Ù¾ç¼º¿¬±¸¼Ò;ÀüÁÖ±³À°´ëÇб³ °úÇб³À°°ú;
 
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2004³âºÎÅÍ 2005³â¿¡ °ÉÃÄ ¿ÁÁ¤È£ À°ºÀÇü Àº¾î(Plecoglossus altivelis)ÀÇ ¼ºÀå¿¡ µû¸¥ ½Ä¼º ¹× ¼·½Ä±â°üÀÇ º¯È­¸¦ Á¶»çÇÏ¿´´Ù. È£¼Ò¿¡ ¼­½ÄÇϴ üÀå $25{sim}40$ mmÀÇ ÈıâÀÚ¾î´Â ¿ä°¢·ù, ¹°º­·è·ù ¹× À±Ãæ·ù¸¦ ÁÖ·Î ¼·½ÄÇÏ¿´°í, üÀå $50{sim}60$ mmÀÇ Ä¡¾î´Â ÆÄ¸®¸ñÀÇ ±ò´Ù±¸·ù, ¿ä°¢·ù ¹× ¹°º­·è·ù¸¦ ÁÖ·Î ¼·½ÄÇÏ¿´´Ù. ¹Ý¸é¿¡ Ãß·Éõ¿¡ ¼Ò»óÇÑ $60{sim}70$ mmÀÇ Ä¡¾î´Â µ¿¹°¼º ¸ÔÀÌ¿Í Á¶·ù¸¦ °°ÀÌ ¼·½ÄÇÏ¿´À¸¸ç, 70mm ÀÌ»óÀÇ ¹Ì¼º¾î´Â Synedra, Cymbella, Navicula ¹× Pinnularia¿Í °°Àº ºÎÂø Á¶·ù¸¦ ÁÖ·Î ¼·½ÄÇÏ¿´´Ù. ¶ÇÇÑ ¼ºÀå ¹× ¸ÔÀÌ»ý¹°°ú °ü·ÃÇÏ¿© ÀÌ(teeth)¿Í À§ (stomach)ÀÇ Çüŵµ ¹Ù²î¾ú´Ù.
Changes of feeding habitat and feeding organ of a land-locked sweetfish, Plecoglossus altivelis related to their growth process were investigated in the Lake Okjeong, Sannae-myeon, Jeongeup-si, Jeollabuk-do, Korea from 2004 to 2005. In the lake, the post-larvae from 25 to 40 mm in standard length fed mainly on animal organisms such as Copepoda, Branchiopoda and Rotatoria. Also, the juveniles from 50 to 60 mm (SL) fed on Chironomidae of Diptera, Copepoda and Branchiopoda. However, the juvenile from 60 to 70 mm (SL) in the Churyeong Stream fed on animal organisms and aquatic algae, the immature fishes more than 70 mm (SL) fed on only periphyton such as Synedra, Cymbella, Navicula and Pinnularia. Also, the feeding organs of the tooth and stomach were changed according to its growth and food change.
 
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Plecoglossus altivelis;Lake Okjeong;feeding habits;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.40, no.2, 2007³â, pp.337-345
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200709905951409)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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