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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.23, no.2, 2005³â, pp.191-199
³²±Ø King George Islands, Marian CoveÀÇ ÁßÇüÀú¼­»ý¹° ±ºÁý ±¸Á¶¿¡ °üÇÑ ¿¬±¸
( Study on the Community Structure of Meiofauna in Marian Cove, King George Island, Antarctica )
¹æÇö¿ì;°­¼ºÈ£;ÀÌ¿øÃ¶; ÇѾç´ëÇб³ »ý¸í°úÇаú;Çѱ¹Çؾ翬±¸¿ø ºÎ¼³ ±ØÁö¿¬±¸¼Ò;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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³²±Ø King George Island, Marian Cove¿¡ ¼­½ÄÇÏ´Â ÁßÇüÀú¼­»ý¹° ±ºÁý±¸Á¶, ¼öÁ÷ºÐÆ÷ ±×¸®°í ¿ä°¢·ù ±ºÁýÀ» Á¶»çÇϱâ À§ÇØ 2002³â 12¿ù Marian Cove³» 5°³ Á¤Á¡°ú Nelson IslandºÏµ¿ÂÊ¿¬¾È 1°³ Á¤Á¡¿¡¼­ ÀÚÀ¯ ³«ÇÏ Áß·Â ½ÃÃ߱⸦ ÀÌ¿ëÇÏ¿© äÁýÀ» ½Ç½ÃÇÏ¿´´Ù. Á¶»ç±â°£ Áß ÁßÇüÀú¼­»ý¹°Àº 11°³ ºÐ·ù±ºÀÌ ¹ß°ßµÇ¾úÀ¸¸ç, ÃâÇöÇÑ ÁßÇü Àú¼­»ý¹°ÀÇ ÃÑ °³Ã¼¼ö´Â $322~1515 indiv.;10cm^{-2}$¹üÀ§·Î Æò±Õ 781indiv. $10cm^{-2}$·Î ³ªÅ¸³µ´Ù. ¼±Ãæ·ùÀÇ Æò±Õ °³Ã¼¼ö´Â 693indiv. $10cm^{-2}$·Î Àüü ÁßÇüÀú¼­»ý¹°ÀÇ $88.7%$¸¦ Â÷ÁöÇÏ´Â ¿ìÁ¡ ºÐ·ù±ºÀ¸·Î ³ªÅ¸³µÀ¸¸ç, Àú¼­¼º ¿ä°¢·ù°¡ 53 indiv. $10cm^{-2}$·Î $6.8%$¸¦ Â÷ÁöÇÏ¸ç ±× µÚ¸¦ ÀÌ¾î ¿ìÁ¡ÇÏ´Â ºÐ·ù±ºÀ¸·Î ³ªÅ¸³µ´Ù. ÅðÀû¹° ±íÀÌ¿¡ µû¸¥ Áß ÇüÀú¼­»ý¹°ÀÇ ¼öÁ÷ºÐÆ÷¸¦ º¸¸é $70%$ ÀÌ»óÀÇ °³Ã¼°¡ Ç¥Ãþ $0~2cm$¿¡ ÁýÁßµÇ¾î ³ªÅ¸³µÀ¸¸ç, ±íÀÌ 5cm ÀÌÇÏ¿¡¼­´Â $5%$ÀÌÇÏÀÇ ³·Àº ºÐÆ÷¸¦ º¸¿´´Ù. °¢ Á¤Á¡º° Æò±Õ ÃÑ »ý¹°·®Àº $41~360{mu}gC;10cm^{-2}$¹üÀ§·Î Æò±Õ $205{mu}gC;10^{-2}$·Î ³ªÅ¸³µÀ¸¸ç, °¡Àå ³ôÀº ºñÀ²À» Â÷ÁöÇÏ´Â ºÐ·ù±º ¿ª½Ã ¼±Ãæ·ù·Î Àüü »ý¹°·®ÀÇ $62.4%$¸¦ Â÷ÁöÇß´Ù. SPSS¸¦ ÀÌ¿ëÇÑ »ó°ü°è¼ö ºÐ¼® °á°ú ¿Âµµ°¡ ÁßÇüÀú¼­»ý¹° ±ºÁý¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ¿°ºÐµµ¿Í À¯±â ¹° ÃÑ·®Àº ÁßÇüÀú¼­»ý¹° ±ºÁý¿¡ º°´Ù¸¥ ¿µÇâÀ» ³¢Ä¡Áö ¸øÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. CCA¸¦ ÀÌ¿ëÇÑ ÅðÀû¹° ÀÔÀÚ¿Í °¢ ºÐ·ù±º°úÀÇ »ó°ü°ü°è ºÐ¼® °á°ú ´Ù¸ð·ù, ºó¸ð·ù ±×¸®°í Äí¸¶·ù´Â ½ÇÆ® ¹× Á¡Åä¿Í ³ôÀº »ó°ü°ü°è¸¦ °¡Áö¸ç, ¿ä°¢·ù¿Í ºÎµî°¢·ù, ÀÌ¸ÅÆÐ·ù´Â ¸ð·¡, À¯°øÃæ·ù´Â ÀÜÀÚ°¥ ±×¸®°í µ¿¹®µ¿¹°·ù¿Í ÆÐÃæ·ù´Â ÁßÀÚ°¥°ú ³ôÀº »ó°ü°ü°è¸¦ °®´Â °ÍÀ¸·Î Á¶»çµÇ¾ú°í, ¼±Ãæ·ùÀÇ °æ¿ì °¢ ÀÔÀÚ¿Í »ó°ü°ü°è°¡ ¸Å¿ì ³·°Ô ³ªÅ¸³µ´Ù. ȯ°æ¿À¿°À» ¸ð´ÏÅ͸µ Çϴµ¥ °¡Àå À¯¿ëÇÑ ºÐ·ù±ºÀÎ ¿ä°¢·ù´Â ¸ðµÎ 9°³°ú 19°³ ¼Ó 19°³Á¾ÀÌ ÃâÇöÇßÀ¸¸ç, °¡Àå ´Ù¾çÇÑ ºÐ·ù±ºÀÌ ³ªÅ¸³­ Á¤Á¡ B¿¡¼­ 7°³°ú 13°³ ¼Ó 13°³Á¾ÀÌ ÃâÇöÇÏ¿´´Ù.
The community structure, vertical distribution and harpacticoids composition of the meiofauna community were observed from five stations in Marian Cove, King George Island and one station on the northeastern side of Nelson Island. Sample was taken by a free-fall corer in December 2002. Generally, 11 taxa of meiofauna were found, and meiofauna abundance ranged from 322 to 1575 indiv. $10cm^{-2}$ (mean 781 indiv. $10cm^{-2}$). Nematodes were the most dominant group, making up $89%$ of total meiofauna, followed by harpacticoids $(6.8%)$. Benthic harpacticoids appeared 19 species of nine families at all the stations, and most various taxa appeared at station B (13 species of seven families). For vertical distribution, more than $70%$ of meiofauna was concentrated in the upper $0~2cm$ sediment layers, and the density abruptly decreased with depth in all the stations. Total biomass of meiofauna varied between 41 and $360{mu}gC;10cm^{-2}$, and overall mean biomass was $205{mu}gC;10cm^{-2}$. Also nematodes had the highest percentage of total maiofauna biomass $(62.4%)$. The analysis results of Canonical Correspondence Analysis between meiofauna community and sediment grain size showed that polychaets, oligochaets and cumaceans were influenced by silt&cray, and sand, granule and pebble had a influence on harpacticoids, kinorhynchs and ostracods respectively. But nematodes were not affected by sediment grain size.
 
Ű¿öµå
meiofauna;harpacticoids;Antarctica;Marian Cove;
 
ȯ°æ»ý¹° / v.23, no.2, 2005³â, pp.191-199
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200502637175411)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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