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Çѱ¹»ýÅÂÇÐȸ / v.27, no.2, 2004³â, pp.93-98
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( Decay Rate and Nutrients Dynamics during Decomposition of Oak Branches )
¹®ÇüÅÂ; °øÁÖ´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¸í°úÇаú;
 
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»ó¼ö¸®³ª¹« °¡ÁöÀÇ ºÐÇØÀ²°ú ºÐÇØ°úÁ¤¿¡ µû¸¥ ¿µ¾ç¿°·ùÀÇ º¯È­¸¦ 33°³¿ù µ¿¾È Á¶»çÇÏ¿´´Ù. 33°³¿ù °æ°ú ÈÄ °¡Áö ÀÇ ÀÜÁ¸·üÀº B©û(Á÷°æ£¼1§¯), B©ü(1§¯¡ÂÁ÷°æ£¼2§¯), B©ý(3§¯¡ÂÁ÷°æ£¼4§¯)°¡ °¢°¢ 44.5%, 58.5%, 55.3% À̾ú´Ù. B©û, B©ü, B©ýÀÇ ºÐÇØ »ó¼ö´Â °¢°¢ 0.294/yr, 0.195 /yr, 0.215/yr À̾ú´Ù. ºÐÇØ °úÁ¤¿¡ µû¸¥ Áú¼Ò ÇÔ·®Àº ¸ðµç Á÷°æ±Þ¿¡¼­ Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. 33°³¿ù °æ°ú ÈÄ Áú¼Ò ÀÜÁ¸·üÀº B©û, B©ü, B©ý°¡ °¢°¢ 101.2%, 91.9%, 104.4% À̾ú´Ù. ÀÎ ÇÔ·®Àº B©û°ú B©ü¿¡¼­ ºÐÇØ°¡ ÁøÇàµÊ¿¡ µû¶ó Ãʱâ ÇÔ·®º¸´Ù Áõ°¡ÇÏ¿´°í, ºÐÇØ °úÁ¤Áß ÀÎÀÇ ºÎµ¿È­ ±â°£Àº ¾ø¾úÀ¸¸ç, 33°³¿ù °æ°ú ÈÄ ÀÎ ÀÜÁ¸·üÀº B©û, B©ü, B©ý°¡ °¢°¢ 57.2%, 74.4%, 53.9%À̾ú´Ù. Ä®·ý ÇÔ·®Àº ºÐÇØ°¡ ÁøÇàµÊ¿¡ µû¶ó Ãʱ⠰ªº¸´Ù ÇöÀúÇÏ°Ô °¨¼ÒÇÏ¿´À¸¸ç, 33 °³¿ù °æ°ú ÈÄ ÀÜÁ¸·üÀº B©û, B©ü, B©ý°¡ °¢°¢ 7.7%, 17.1%, 17.2%·Î ´Ù¸¥ ¿µ¾ç¿°·ù¿¡ ºñÇØ ³·¾Ò´Ù. Ä®½· ÇÔ·®Àº B©ûÀ» Á¦¿ÜÇÏ°í ºÐÇØ ±â°£µ¿¾È ±× °ªÀÌ Áõ°¡ÇÏ¿´À¸¸ç, 33°³¿ù °æ°ú ÈÄ ÀÜÁ¸·üÀº B©û, B©ü, B©ý°¡ °¢°¢ 58.5%, 47.8%, 75.2%À̾ú´Ù. ¸¶±×³×½·Àº °¡ÁöÀÇ Á÷°æÀÌ ÀÛÀ»¼ö·Ï Ãʱâ ÇÔ·®ÀÌ ³ô¾ÒÀ¸¸ç, 33 °³¿ù °æ°ú ÈÄ ÀÜÁ¸·üÀº B©û, B©ü, B©ý¿¡¼­ °¢°¢ 44.3%, 57.9%, 47.7%À̾ú´Ù.
Decay rate and nutrient dynamics during decomposition of oak (Quercus acutissima) branches were investigated for 33-months in Kongju, Korea. After 33-months, remaining weight of B©û, B©ü and B©ý was 44.5%, 58.5% and 55.37%, respectively. Decomposition constant (k) for B©û, B©ü and B©ý was 0.294/yr, 0.195/yr, 0.215/yr, respectively. N concentration in decomposing oak branches increased in all diameter classes. After 33-months, remaining N in B©û, B©ü and B©ý was 101.2%, 91.9%, 104.4%, respectively. P concentration in decomposing oak branches increased in B©û and B©ü, and there was no immobilization period. After 33-months, remaining P in B©û, B©ü and B©ý was 57.2%, 74.4%, 53.9%, respectively. K concentration in decomposing oak branches decreased significantly. Remaining K in B©û, B©ü and B©ý was 7.7%, 17.1% and 17.2%, respectively, which was significantly lower than other nutrients. Ca concentration in decomposing oak branches increased in B©ü and B©ý. After 33-months, remaining Ca in B©û, B©ü and B©ý was 58.5%, 47.8% and 75.2%, respectively. Initial concentration of Mg in oak branch was higher in smaller diameter class. After 33-months, remaining Mg in B©û, B©ü and B©ý was 44.3%, 57.9% and 47.7%, respectively.
 
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°¡Áö;ºÐÇØ»ó¼ö;ºÐÇØÀ²;»ó¼ö¸®³ª¹«;¿µ¾ç¿°·ù;ÀÜÁ¸·ü;Branches;Decay rate;Decomposition constant;Nutrients;Quercus acutissima;Remaining rate;
 
The Korean Journal of Ecology / v.27, no.2, 2004³â, pp.93-98
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922324085)
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