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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.19, no.1, 2001³â, pp.25-36
¼¶Áø°­ ÇÏ·ù°è¿¡¼­ À¯Á¾¼¶¸ðÃæ·ùÀÇ ±ºÁý±¸Á¶¿Í °èÀýÀû µ¿ÅÂ
( Seasonal Dynamics and Community Structure of Tintinnina in lower Seomjin River System )
À¯Çüºó;¹Ú¼ö»ê; Àü³²´ëÇб³ »ç¹ü´ëÇÐ »ý¹°±³À°°ú;Àü³²´ëÇб³ »ç¹ü´ëÇÐ »ý¹°±³À°°ú;
 
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º» ¿¬±¸´Â À¯Á¾¼¶¸ðÃæ·ùÀÇ »ýÅÂÇÐÀû Ư¼ºÀ» ¾Ë¾Æº¸±â À§ÇÏ¿© 1998³â 3¿ùºÎÅÍ 1999³â 1¿ù±îÁö °Ý¿ù·Î ¼¶Áø°­ ÇÏ·ù°è¿¡¼­ 12°³ Á¤Á¡À» ¼±Á¤ÇÏ¿© ½Ç½ÃÇÏ¿´´Ù. Á¶»ç±â°£ Áß À¯Á¾¼¶¸ðÃæ·ù´Â ÃÑ 8¼Ó 56Á¾ÀÌ µ¿Á¤ ºÐ·ùµÇ¾ú´Ù. ÃâÇöÁ¾ÀÇ ¿ùº°ºÐÆ÷´Â 1998³â 3¿ù¿¡ 7¼Ó 40Á¾À¸·Î °¡Àå ¸¹ÀÌ ÃâÇöÇÏ¿´°í, 1998³â 11¿ù¿¡ 2¼Ó 3Á¾À¸·Î °¡Àå ÀûÀº Á¾ÀÌ ÃâÇöÇÏ¿´´Ù. ÃâÇöÁ¾ÀÇ Á¤Á¡º° ºÐÆ÷´Â, Á¤Á¡ 12¿¡¼­ 8¼Ó 38Á¾À¸·Î °¡Àå ¸¹¾Ò°í, Á¤Á¡ 3¿¡¼­ 2¼Ó 5Á¾À¸·Î °¡Àå Àû°Ô ÃâÇöÇÏ¿´´Ù. À¯Á¾¼¶¸ðÃæ·ùÀÇ ¿ùº° ÃÑÃâÇö·®Àº 20,099 (5¿ù) - 699,502 indiv./§© (3¿ù)ÀÇ ¹üÀ§·Î º¯µ¿Çϰí ÀÖ¾ú´Ù. Á¤Á¡º°·Î´Â Á¤Á¡ 11¿¡¼­ °¡Àå ¸¹Àº ÃâÇö·®(431,706 indiv./§©)À» º¸¿´°í, Á¤Á¡ 4¿¡¼­ °¡Àå ÀûÀº ÃâÇö·®(8,777 indiv./§©)À» º¸¿´´Ù. ¿ìÁ¡Á¾Àº 22Á¾À¸·Î ±×Áß Tintinnopsis¼ÓÀÌ 18Á¾À¸·Î Àüü ¿ìÁ¡Á¾ÀÇ 81.8%¸¦ Â÷ÁöÇÏ¿´´Ù. À¯Á¾¼¶¸ðÃæ·ùÀÇ ±ºÁýµ¿ÅÂ¿Í È¯°æ¿äÀΰúÀÇ »ó°ü°ü°è¿¡¼­´Â ¿©·¯ ȯ°æ¿äÀÎ Áß ¼ö¿Â°ú ¿°ºÐµµ°¡ ±ºÁýµ¿Å¿¡ °¡Àå Å« ¿µÇâÀ» ¹ÌÄ£ °ÍÀ¸·Î Á¶»çµÇ¾ú´Âµ¥ ¼ö¿ÂÀº 10-15$^{circ}C$¿¡¼­, ¿°ºÐµµ´Â 10.1-25.0$ extperthousand$ ±¸°£¿¡¼­ ´Ù¾çÇÑ Á¾ Á¶¼º°ú ³ôÀº ÃâÇö·®À» ³ªÅ¸³»¾ú´Ù.
Precent study has been carried out to clarify the ecological characteristics of Tintinnina community, during the period from March,1998 to January, 1999 at twelve stations in lower Seomjin river system. During the surveyed period, a total of 56 species were identified. Seasonal variation of number of species occurred was varied: 43 species during spring season, 21 species during summer season, 27 species during autumn season, 20 species during winter season. Total abundance of Tintinnina ranged from 0 to 170,134 indiv./§©. The abundance was high in March and low in September. Among 22 dominant species, 18 species (81.8%) were Tintinnopsis genus. The relationships between environmental factors and Tintinnina community were as follows; 11 species (Tintinnopsis rara, T. angulata, T. sp. 1, T. sp. 4, T. sp. 5, T. sp. 8, T. sp. 9, Stenosemella pacifica, S. steini, Codonellopsis nipponica, Favella taraikaensis) occurred from 10 to 15$^{circ}C$ and 2 species (Codonella amphorella, Leprotintinnus neriticus) occurred from 5 to 3$0^{circ}C$. Many species occurred from 10.1 to 25.0$ extperthousand$ of salinity. Four species (Tintinnopsis acuminata, T. angulata, T. sp. 10, T. sp. 11) occurred in freshwater only, while four species (Tintinnopsis rapa, T. baltica, T lata, Codonella sp.) occurred from 0.1 to 31.2$ extperthousand$ of salinity.
 
Ű¿öµå
lower Seomjin River System;Tintinnina;community structure;dynamics;
 
ȯ°æ»ý¹° / v.19, no.1, 2001³â, pp.25-36
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111921492108)
¾ð¾î : Çѱ¹¾î
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