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Çѱ¹È¯°æ»ýÅÂÇÐȸ / v.24, no.6, 2010³â, pp.648-656
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( Effects of Elevated $CO_2$ Concentration and Temperature on Growth Response of Quercus acutissima and Q. variabilis )
Á¤Áß±Ô;±èÇØ¶õ;À¯¿µÇÑ; °øÁÖ´ëÇб³ ´ëÇпø »ý¹°Çаú;°øÁÖ´ëÇб³ ´ëÇпø »ý¹°Çаú;°øÁÖ´ëÇб³ ´ëÇпø »ý¹°Çаú;
 
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Áö±¸¿Â³­È­´Â ÀÚ¿¬»ýŰ迡 Å« º¯È­¸¦ °¡Á®¿À°í, ½Ä¹°ÀÇ »ýÀ°¿¡ Å« ¿µÇâÀ» ¹ÌÄ£´Ù. »ó¼ö¸®³ª¹«¿Í ±¼Âü³ª¹«´Â ºÐ·ùÇÐ ÀûÀ¸·Î °¡±õ°í, ¿ì¸®³ª¶ó »ê¸² ÀúÁö´ë¿¡¼­ ¿ìÁ¡Á¾ÀÌ´Ù. º» ¿¬±¸´Â µÎ Á¾ÀÇ ¾î¸° ¹¦¸ñÀÌ $CO_2$³óµµ¿Í ±â¿ÂÀÌ Áõ°¡ÇÏ¸é »ýÀ°¹ÝÀÀÀÌ ¾î¶»°Ô ÀϾ´ÂÁö ¾Ë¾Æº¸±â À§ÇØ $CO_2$³óµµ´Â 700~800ppmÀ¸·Î, ±â¿ÂÀº ´ëÁ¶±¸º¸´Ù ¾à $3^{circ}C$³ô°Ô ó¸®ÇÏ¿© »ýÀ寝¼ºÀ» ÃøÁ¤ÇÏ°í ºÐ¼®ÇÏ¿´´Ù. »ó¼ö¸®³ª¹«´Â Áö±¸¿Â³­È­Ã³¸®±¸¿¡¼­ ¶Ñ·ÇÇÏ°Ô Â÷À̳ª´Â ÇüÁúÀÌ Áٱ⠱æÀÌ¿Í ½Ä¹°Ã¼ ¹«°ÔÀ̰í, ±¼Âü³ª¹«´Â ÁÙ±â Á÷°æ°ú Áٱ⠹«°ÔÀ̾ú´Ù(p<0.05). ¶ÇÇÑ Æò±Õ º¯È­À²·Î º¸¾ÒÀ» ¶§ ±¼Âü³ª¹«º¸´Ù »ó¼ö¸®³ª¹«¿¡¼­ ¸¹Àº Á¾·ùÀÇ ÇüÁúÀÌ Å©°Ô º¯È­ÇÏ¿´´Ù. ÀÌ´Â Áö±¸¿Â³­È­Á¶°ÇÀÌ µÇ¸é Çѹݵµ ÁߺÎÁö¹æ¿¡¼­ ±¼Âü³ª¹«º¸´Ù »ó¼ö¸®³ª¹«ÀÇ »ýÀ°¹ÝÀÀÀÌ ´õ ¹Î°¨ÇÏ´Ù´Â °ÍÀ» ½Ã»çÇÑ´Ù. ÁÖ¼ººÐºÐ¼®Àº µÎ Á¾ÀÌ $CO_2$³óµµ¿Í ±â¿ÂÀÌ Áõ°¡Çϸé Á¾°ú »ó°ü¾øÀÌ À¯»çÇÑ °æÇ⼺À¸·Î ¹è¿­µÇ¾î ³ªÅ¸³µ´Ù. ÀÌ·¯ÇÑ ¹ÝÀÀÀ» °áÁ¤Áþ´Â ÇüÁúÀº ÀÙ ¼ö, ÀÙ ³ÐÀÌ, ÀÙ Æø, Áö»óºÎ ±æÀÌ, ÀÙ ±æÀÌ, Áö»óºÎ ¹«°Ô, Áٱ⠹«°Ô, ÀÙ ¹«°Ô, ÁöÇϺΠ¹«°Ô¿Í ½Ä¹°Ã¼ ¹«°Ô µî ´ëºÎºÐÀÇ ÃøÁ¤µÈ °Íµé°ú °ü·ÃÀÌ ÀÖ¾ú´Ù.
Global warming brings changes of natural ecosystems and affects on the plant growth response. Quercus acutissima and Q. variabilis are taxonomically similar and dominant native species in deciduous forests in South Korea. In order to understand the growth response of Q. acutissima and Q. variabilis to global warming condition, we cultivated the seedling of the two oak species in ambient condition(control) and treatment with elevated $CO_2$(700~800ppm) and increased air temperature(approximately $3^{circ}C$ above than control). Then we measured the growth characteristic among them and analyzed the relationship between two species using PCA ordination. Stem length and total plant weight of Q. acutissima were significantly affected by elevated $CO_2$ concentration and increased air temperature. Stem diameter and weight of Q. variabilis were significantly affected by elevated $CO_2$ concentration and increased air temperature(p<0.05). The variation characteristics of Q. acutissima were changed more than Q. variabilis by elevated $CO_2$ concentration and increased air temperature. These result suggested that Q. acutissima was more sensitive to global warming situation than Q. variabilis in central region of Korea. PCA ordination showed that two species were arranged by two distinct groups based on 10 characters by elevated $CO_2$ and increased air temperature.
 
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$CO_2$³óµµ;¿ìÁ¡Á¾;»ýÀ寝¼º;ÁÖ¼ººÐ ºÐ¼®;Âü³ª¹«;$CO_2$ CONCENTRATION;DOMINANT NATIVE SPECIES;GROWTH RESPONSE;PCA;QUERCUS;
 
Çѱ¹È¯°æ»ýÅÂÇÐȸÁö / v.24, no.6, 2010³â, pp.648-656
Çѱ¹È¯°æ»ýÅÂÇÐȸ
ISSN : 1229-3857
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201015037856275)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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