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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no.1, 2004³â, pp.93-100
¼Ó¸®»ê ½Å°¥³ª¹«¸²ÀÇ Åä¾çÃþº° ¿µ¾ç¿°·ù ÇÔ·®°ú ºÐÇØÀ²
( Nutrients and Decomposition Rate Accumulated on Soil Layers in Quercus mongolica Forest of Mt. Songnisan National Park )
°­»óÁØ;Çѵ¿¿­; ÃæºÏ´ëÇб³ »ç¹ü´ëÇÐ °úÇб³À°ÇкÎ;ÃæºÏ´ëÇб³ ´ëÇпø »ý¹°Çаú;
 
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¼Ó¸®»ê ±¹¸³°ø¿ø ³» ¿ë¹ÙÀ§°ñ Áö¿ª(a.s.1. 560¡­640 m)ÀÇ ½Å°¥³ª¹«¸²¿¡¼­ Åä¾ç¿¡ ÃàÀûµÈ À¯±âź¼Ò, Áú¼Ò, ÀÎ ¹× Ä®·ýÀÇ ÇÔ·®À» ÃøÁ¤ÇÏ°í ¶Ç O1son(1963)ÀÇ ºÎÁö¼ö°î¼± ¸ðµ¨À» Àû¿ëÇÏ¿© ³«¿±ÀÇ ºÐÇØ»ó¼ö(k)¿Í ºÐÇØ½Ã°£(t)¸¦ ÃøÁ¤ÇÏ¿´´Ù. À¯±âź¼Ò·®Àº LÃþ 231.25 g $m^{-2}$, FÃþ 291.50 g $m^{-2}$, HÃþ 166.91 g $m^{-2}$, ±×¸®°í $A_1$Ãþ 174.51 g $m^{-2}$, ·Î LÃþ°ú FÃþ¿¡¼­ ³ôÀº ÇÔ·®À» º¸¿´°í, Áú¼ÒÇÔ·® ¿ª½Ã LÃþ°ú FÃþ¿¡¼­ °¢°¢ 17.47 mg $g^{-1}$, 17.00 mg $g^{-1}$À¸·Î ¸¹¾ÒÀ¸¸ç, Àΰú Ä®·ýÇÔ·®Àº HÃþ°ú $A_1$Ãþ¿¡¼­ 433.34 mg $g^{-1}$ 392.74 mg $g^{-1}$ ¹× 2,323.31 mg $g^{-1}$, 2,155.57 mg $g^{-1}$À¸·Î ´Ù¸¥ Åä¾çÃþ¿¡ ºñÇÏ¿© ¸¹¾Ò´Ù. Åä¾ç ¼Ó À¯±â¹°ÀÇ ºÐÇØ»ó¼ö´Â À¯±âź¼Ò k = 0.3657, Áú¼Ò k = 0.3319, ÀÎ k = 0.2050, Ä®·ý k = 0.0934ÀÌ¿´°í, 99%°¡ ºÐÇØµÇ´Âµ¥ ¼Ò¿äµÇ´Â ½Ã°£Àº À¯±âź¼Ò 13.94³â, Áú¼Ò 15.18³â, ÀÎ 24.79³â ±×¸®°í Ä®·ý 55.11³âÀ¸·Î ¼øÈ¯ cycleÀÌ ¾ø´Â Ä®·ýÀÌ ºÐÇØµÇ´Âµ¥ °¡Àå ¿À·£ ½Ã°£ÀÌ ¼Ò¿äµÇ´Â °ÍÀ¸·Î ÃøÁ¤µÇ¾ú´Ù. ½Å°¥³ª¹«¸²¿¡¼­ ¸Å³â À¯ÀԵǴ ¿µ¾ç¿°·ù·®°ú ÁýÀûÃþ¿¡ ÃàÀûµÇ´Â ¿µ¾ç¿°·ù·®À» Turbo Pascal·Î ProgrammingÇÑ ÈÄ ½Å°¥³ª¹« ±º¶ôÀÇ »óŸ¦ Áø´ÜÇØ º» °á°ú, ÀÓ»ó¿¡ À¯ÀÔµÈ À¯±âź¼Ò Áß 87.67%ÀÎ 714.84 mg $g^{-1}$, ÃàÀûµÈ À¯±âź¼Ò Áß 81.62%ÀÎ 1,594.62 g mg $g^{-1}$ÀÌ ºÐÇØµÇ¾î À¯ÀԵǴ ¾ç°ú ºÐÇØµÇ´Â ¾çÀÌ °ÅÀÇ ºñ½ÁÇÏ¿´´Ù. Áú¼Ò, ÀÎ ±×¸®°í Ä®·ýµµ À¯ÀԵǴ ¿µ¾ç¿°·ù·®°ú ºÐÇØµÇ´Â ¿µ¾ç¿°·ù·®ÀÌ ºñ½ÁÇÏ¿© ¾ÈÁ¤»óÅÂ(steady state)¸¦ À¯ÁöÇϰí ÀÖ´Â ±º¶ôÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
The content of nutrients such as organic carbon, nitrogen, phosphorus and potassium accumulated on soil layers in Quercus mongolica forest of Mt. Songnisan National Park located at central part of Korea was measured, and then the decomposition constants and decay times of the nutrients were also calculated by the negative coefficience model(O1son,1963). The quantities of organic carton of L-layer, F-layer, H-layer and $A_1$-layer of the forest stand were 231.25 g $m^{-2}$, 291.50 g $m^{-2}$,166.91 g$m^{-2}$ and 174.51 g $m^{-2}$, respectively. The content of organic carbon and nitrogen contained in L-layer and F-layer showed large quantity than those of other layers. The large amount of phosphorus and potassium was observed at the B-layer and $A_1$-layer. On the other hand, the decomposition constants(k) of soil organic matter were as follows : organic carbon (k = 0.3657), nitrogen (k = 0.3319), phosphorus (k = 0.2050), and potassium (k = 0.0934) and the decay times needed to 99% decomposition of nutrients in soil organic matter were as follows: that is, organic carton, nitrogen, phosphorus and potassium was 13.94 years, 15.18 years, 24.79 years, and 55.11 years, respectively. By the application of Turbo Pascal Program on the inflowed and outflowed nutrients to the forest stand,87.67% (714.84 g $m^{-2}$) of organic carbon inflowed was decomposed and 81.62% (1,594.62 g $m^{-2}$) of organic carbon accumulated was decomposed. And 84.98% of nitrogen inflowed was decomposed and 70.26% of nitrogen accumulated was also decayed.50.00% of phosphorus input and 40.31% of potassium input were decomposed, and 38.40% of phosphoyus and 33.03% of potassium accumulated were also decayed, respectively. Therefore, it is suggested that Quercus mongolica forest surveyed in the present study is maintaining in steady state because input and output amounts of nutrients is shown a similar pattern.
 
Ű¿öµå
nutrients;Olson model;organic carbon;decomposition constant;decomposition time;decay model;accumulation model;
 
ȯ°æ»ý¹° / v.22, no.1, 2004³â, pp.93-100
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922293100)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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