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Çѱ¹»ýÅÂÇÐȸ / v.24, no.1, 2001³â, pp.51-59
³²ÇÑ »ï¸²ÀÇ Áú¼Ò¿Í ¿°±â¼º ¾çÀÌ¿ÂÀÇ Èí¼ö·® ÃßÁ¤
( Estimation of the Nitrogen and Base Cation Uptake of South Korean Forest )
½ÉÀç¸é;¹Ú¼ø¿õ; ¼­¿ï´ëÇб³ Áö±¸È¯°æ°úÇкÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ°úÇкÎ;
 
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1995³âºÎÅÍ 1999³â±îÁöÀÇ ÀÓ¾÷Åë°è ÀڷḦ »ç¿ëÇÏ¿© ³²ÇÑ »ï¸²¿¡¼­ÀÇ ¿¬¼ø»ý»ê·®°ú Áú¼Ò(N) ¹× ¿°±â¼º ¾çÀ̿ (BC=K, Mg, Ca)ÀÇ Èí¼ö·®À» ÃßÁ¤ÇÏ¿´´Ù. ÁÙ±â¿Í °¡ÁöÀÇ ¿¬¼ø»ý»ê·®Àº ¾à 1.8 ton DM h $a^{-1}$ y $r^{-1}$À̾úÀ¸¸ç ħ¿±¼ö¸²¿¡ ºñÇØ Ȱ¿±¼ö¸²ÀÇ ¿¬¼ø»ý»ê·®ÀÌ ³ô°Ô ³ªÅ¸³µ´Ù. »ï¸² Àüü ¸éÀûÀÎ 6.246$ imes$106 ha¿¡¼­ Àü ¿¬¼ø»ý»ê·®Àº ¾à 1.13$ imes$$10^{7}$ ton DW/yr À̾ú´Ù. 1999³âÀÇ ¿ëÀç»ý»ê·®À¸·Î ÃßÁ¤ÇÑ ³²ÇÑ »ï¸²¿¡¼­ ÁÙ±â¿Í °¡ÁöÀÇ ¼öÈ®·®Àº ¾à 6.1$ imes$$10^{5}$ ton DW/yr À̾úÀ¸¸ç ´ÜÀ§ ¸éÀû´ç ¼öÈ®·®Àº 98 kg DM h $a^{-1}$ y $r^{-1}$À̾ú´Ù. ÇÑÆí, »ýÀå¿¡ ÀÇÇÑ N°úBCÀÇ Èí¼ö·®Àº °¢°¢ 350 mol h $a^{-1}$y sup -1/¿Í 296 mol h $a^{-1}$ y $r^{-1}$À̾ú°í, ¼öÈ®·®¿¡ Æ÷ÇÔµÈ N°ú BCÀÇ ¾çÀº °¢°¢ 20mol h $a^{-1}$ y $r^{-1}$¿Í 16 mol h $a^{-1}$ y $r^{-1}$·Î BC¿¡ ºñÇØ NÀÇ Èí¼ö·®ÀÌ ³ô°Ô ³ªÅ¸³µ´Ù. ³²ÇÑÀÇ Àü »ï¸²¿¡¼­ »ýÀå°ú ¼öÈ®¿¡ ÀÇÇÑ N°ú BCÀÇ ÃÑ Èí¼ö·®Àº °¢°¢ 2.309$ imes$$10^{9}$ mol/yr¿Í 1.953$ imes$$10^{9 mol}$yr À̾ú´Ù.
Estimation of the annual net production, nitrogen (N) and base cation (BC£½K, Mg, Ca) uptake by stocked forests in South Korea has been done with national statistical data of forestry from 1995 to 1999. The annual net production of stems and branches was about 1.8 ton DM ha/sup -1/ yr/sup -1/. The net productivity of deciduous forests was higher than that of coniferous forests. Total net production of the stocked forests from the whole stocked area of South Korea of 6.246¡¿10/sup 6/ ha, was about 1.13¡¿10/sup 7 ton DM/yr, and the total harvested biomass obtained from timber production data in 1999, was estimated about 6.1¡¿105 ton DM/yr that was equivalent to 98 kg DM ha/sup -1/ yr/sup -1/f. Net growth uptake of N and BC were 350 mol ha/sup -1/ yr/sup -1/ and 296 mol ha/sup -1/ yr/sup -1/ respectively, and the content of N and BC contained in the harvested biomass were 20 mol ha/sup -1/ yr/sup -1/ and 16 mol ha/sup -1/ yr/sup -1/ respectively. Net uptake of N was higher than that of BC. Total net uptake of N and BC from growth and harvest by stocked forests in South Korea were 2.309¡¿10/sup 9/ mol/yr and 1.953¡¿10/sup 9 mol/yr respectively.
 
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¼öÈ®·®;¿¬¼ø»ý»ê·®;¿°±â¼º ¾çÀÌ¿Â;Áú¼Ò;Èí¼ö·®;Base cation;Harvested biomass;Net production;Nitrogen;Uptake;
 
The Korean Journal of Ecology / v.24, no.1, 2001³â, pp.51-59
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111921336563)
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