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  ¼ö°üÅë°ú¿ì, ¼ö°£·ù, Åä¾ç¼ö³»ÀÇ ¾ç·áµ¿Å Nutrient Dynamics in the Throughfall, Stemflow and Soil Solution
  ±Û¾´ÀÌ : °ü¸®ÀÚ     ³¯Â¥ : 08-04-18 14:12     Á¶È¸ : 9648    
°æ±âµµ ±¤ÁÖ Áö¹æ À㳪¹«¸², ³«¿±¼Û¸², È°¿±¼ö¸²¿¡¼­ ¼ö°üÅë°ú¿ì, ¼ö°£·ù, Åä¾ç¼ö³» ¾ç·áµ¿Å Nutrient Dynamics in the Throughfall, Stemflow and Soil Solution of Korean Pine, Japanese Larch and Hardwood Stands at Kwangju-Gun, Kyonggi-Do <Çѱ¹ÀÓÇÐȸÁö 88(4):541-554 Jour. Kor. For. Soc. 88(4):541-554 1999> Correspondent Don Koo Lee (Dept. of Forest Resources, College of Agriculture and Life Sciences, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-742, Korea)
 
°æ±âµµ ±¤ÁÖÁö¹æ¿¡¼­ À㳪¹«¸², ³«¿±¼Û¸², Âü³ª¹«·ù À§ÁÖÀÇ È°¿±¼ö¸²À» ´ë»óÀ¸·Î ÀӺа£ ¼ö°üÅë°ú¿ì, ¼ö°£·ù¸¦ ÅëÇÑ ¾ç·á À¯ÀÔ ¾ç»óÀ» ºñ±³ÇÏ°í ¼ö°üÅë°ú¿ì, ¼ö°£·ù, Åä¾ç¼öº°·Î ¾ç·áµ¿Å Ư¼ºÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù Á¶»ç±â°£ µ¿¾È ÃÑ °­¿ì·®Àº 1410.1mm¿´À¸¸ç ¼ö°üÅë°ú¿ì·®Àº ³«¿±¼Û¸²¿¡¼­ Àüü°­¿ì·®ÀÇ 85%, À㳪¹« °£¹ú¸²¿¡¼­ 84.5%, À㳪¹« ÇÏ¿¹¸²¿¡¼­ 83.2%, È°¿±¼ö¸²¿¡¼­ 81.2%·Î ³ªÅ¸³ª È°¿±¼ö¸² º¸´Ù´Â ħ¿±¼ö¸²¿¡¼­ ³ô°Ô À¯ÀԵǾú´Ù. ¼ö°£·ù·®Àº È°¿±¼ö¸²¿¡¼­ °­¿ìÀÇ 2.7%, À㳪¹« ÇÏ¿¹¸²¿¡¼­ 1.3%, À㳪¹« °£¹ú¸²¿¡¼­ 1.2%, ³«¿±¼Û¸²¿¡¼­ 0.8%·Î È°¿±¼ö¸²ÀÌ Ä§¿±¼ö¸²¿¡ ºñÇÏ¿© ³ô¾Ò´Ù. °­¿ì, ¼ö°üÅë°ú¿ì, ¼ö°£·ù³» Æò±Õ À̿³󵵴 ¼ö°£·ù°¡ °¡Àå ³ô¾ÒÀ¸¸ç ÀӺк° Æò±Õ À̿³󵵴 ¾çÀÌ¿Â, À½ÀÌ¿Â ¸ðµÎ ³«¿±¼Û¸², À㳪¹«¸², È°¿±¼ö¸²ÀÇ ¼øÀ¸·Î, È°¿±¼ö¸²¿¡ ºñÇÏ¿© ħ¿±¼ö¸²¿¡¼­ ³ô¾Ò´Ù. ¼ö°üÅë°ú¿ì¿Í ¼ö°£·ù³» ¾çÀÌ¿Â ³óµµ´Â NH4+-N, K+, Ca2+, Na+, Mg2+ÀÇ ¼øÀ¸·Î ³ô¾ÒÀ¸¸ç À½ÀÌ¿Â ³óµµ´Â SO42-, NO3--N, Cl-ÀÇ ¼øÀ̾ú´Ù. °­¿ì°¡ ¼ö°üÃþÀ» Åë°úÇÑ ÈÄ ¼ö°üÅë°ú¿ì¿Í ¼ö°£·ù¿¡¼­ÀÇ ³óµµº¯È­¸¦ º¸¸é È°¿±¼ö¸²ÀÇ °æ¿ì °¡Àå Å©°Ô Áõ°¡ÇÑ ÀÌ¿ÂÀÌ K+ÀÎ ¹Ý¸é À㳪¹«¸²°ú ³«¿±¼Û¸²¿¡¼­´Â  NH4+-N ÀÌ¿ÂÀÌ °¡Àå Å©°Ô Áõ°¡ÇÏ¿© ¼öÁ¾¿¡ µû¶ó °¢±â ´Ù¸¥ ¾ç»óÀ» º¸¿´´Ù. Åä¾ç¼ö³» ¾çÀÌ¿Â ³óµµ´Â Ca2+, Mg2+, Na+ÀÇ ¼øÀ¸·Î ³ô¾Ò°í, À½ÀÌ¿Â ³óµµ´Â NO3--N, Cl-, SO42-ÀÇ ¼øÀ¸·Î ³ô¾Ò´Ù. ÀÌ Áß NH4+-N, K+´Â ÁÖ·Î ´ë±â·Î ºÎÅÍ À¯ÀԵǰí Ca2+, Mg2+, Na+´Â ÁÖ·Î ¸ð¾ÏÀÇ Ç³È­¿¡ ÀÇÇÏ¿© À¯ÀԵǾú´Ù.
The objectives of this study were to examine the amount of nutrient input by throughfall and stemflow, and the nutrient dynamics by throughfall, stemflow and soil solution among Pinus koraiensis, Larix leptolepis and hardwood forests including oaks at Kwangju-Gun, Kyonggi-Do. A total amount of rainfall during the study period was 1410.1mm. Of the total rainfall, 85% was from throughfall at the L. leptolepis stand, 84.5% at the thinned P. koraiensis stand, 83.2% at the unthinned P. koraiensis stand and 81.2% at the hardwood stand, showing greater throughfall at the conifer stand than at the hardwood stand. Stemflow showed 2.7% of rainfall at the hardwood stand, 1.3% at the unthinned P. koraiensis stand, 1.2% at the thinned P. koraiensis stand and 0.8% at the L. leptolepis stand, showing greater stemflow at the hardwood stand than at the conifer stand. Ion concentration of stemflow was greater than those of rainfall and throughfall. The conifer stand showed higher ion concentration than the hardwood stand both for cation and anion. The ion concentrations of throughfall and stemflow were higher in the descending order:  NH4+-N> K+> Ca2+> Na+> Mg2+ for cations and SO42-> NO3--N> Cl- for anions. After the precipitation passed through the canopy, K+ increased most at the hardwood stand, whereas NH4+-N did most at the P. koraiensis and L. leptolepis stands. The ion concentration of soil solution was higher in the descending order:  Ca2+> Mg2+> Na+ for cations and NO3-N> Cl-> SO42- for anions. NH4+-N and K+ seemed to be supplied primarily from atmospheric deposition while Ca2+, Mg2+, and Na+ from weathering.
Key words: Pinus koraiensis, Larix lepto1epis, hardwood stand, throughfall, stemflow, soil solution, nutrient input, nutrient dynamics

   

 
   

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