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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.19, no.4, 2001³â, pp.232-238
´ë±â Áú¼Ò°­ÇϹ°ÀÌ À°»ó »ýŰ迡 ¹ÌÄ¡´Â ¿µÇâ ¹× ±¹³» ¿¬±¸Á¦¾È
( Effects of Nitrogen Deposition on Terrestrial Ecosystems )
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º» ³í¹®¿¡¼­´Â ´ë±â·ÎºÎÅÍ À¯ÀԵǴ Áú¼Ò°­ÇϹ°ÀÌ À°»ó»ýŰ迡 ¹ÌÄ¥ ¿µÇâ¿¡ ´ëÇØ »ìÆìº¸¾Ò´Ù. Áú¼Ò°­ÇÏ´Â »ê¾÷È­ ¹× È­¼®¿ø·áÀÇ »ç¿ë(ƯÈ÷ ÀÚµ¿Â÷ÀÇ Áõ°¡)°ú Áý¾àÀûÀÎ ³ó¾÷À¸·Î ÀÎÇØ À¯·´°ú ºÏ¹Ì¸¦ Áß½ÉÀ¸·Î ±Þ°ÝÇÑ ¼Óµµ·Î Áõ°¡Çϰí ÀÖÀ¸¸é Çѱ¹µµ ÀÌ¿Í °°Àº Áõ°¡ Ãß¼¼¸¦ ³ªÅ¸³»°í ÀÖ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. ÀÌ¿¡ µû¶ó Áõ°¡µÈ Áú¼ÒÀ¯ÀÔÀº óÀ½¿¡´Â À°»ó»ýŰèÀÇ ÀÏÂ÷»ý»ê¼ºÀ» Áõ°¡ ½ÃŰÁö¸¸ Àå±âÀûÀ¸·Î´Â »ê¸²ÀÇ Áú¼ÒÆ÷È­(Nitrogen Saturation)¸¦ ÀÏÀ¸ÄÑ »ê¸²ÀÇ ¼èÅ𳪠»ýŰèÀÇ ±³¶õÀ» ÀÏÀ¸Å³ ¼ö ÀÖ´Ù. ÁÖ¿ä ±âÀÛÀ¸·Î´Â ¿µ¾ç¼ÒÀÇ ºÒ±ÕÇü, Åä¾çÀÇ »ê¼ºÈ­, µ¶¼ºÀÌ¿ÂÀÇ À¯µ¿È­ µîÀÌ ¾Ë·ÁÁ® ÀÖ´Ù. ÀÌ¿Í ´õºÒ¾î Áú¼Ò°­ÇÏÀÇ Áõ°¡´Â Åä¾ç ³» À¯±â¹° ºÐÇØ¼Óµµ¸¦ ´ÊÃâ ¼ö ÀÖÀ¸¸ç, À¯ÃâµÇ´Â Áú»êÀº ¼ö»ý»ýŰèÀÇ ºÎ¿µ¾çÈ­¸¦ ¾ß±âÇÒ ¼ö ÀÖ´Ù. ¸¶Áö¸·À¸·Î ÀÌ ¹®Á¦¿Í ¿¬°üµÇ¾î ±¹³»¿¡¼­ ÁøÇàÇØ¾ß ÇÑ´Ù°í »ý°¢µÇ´Â ¿¬±¸ÁÖÁ¦ ¸î °¡Áö°¡ Á¦¾È µÇ¾ú´Ù.
Effects of atmospheric nitrogen deposition on terrestrial ecosystems were reviewed and discussed in this paper. The amount of nitrogen deposition has increased rapidly in Europe, North America and Korean due to industrialization, increase in fossil fuel combustion(automobiles in particular), and intensive agricultural activities. Nitrogen input through such deposition may enhance primary productivity at early stage, but it could cause nitrogen saturation and hence deterioration of forests of disturbance of systems in the long term. Mechanisms of the deterioration of forests by nitrogen deposition include nutrients imbalance, soil acidification, and immobilization of toxic ions. In addition, nitrogen deposition may impede the decomposition rates of soil organic matter, and induce eutrophication in aquatic ecosystems by enhanced leaching of nitrate. Finally, I propose several topics in relation to nitrogen deposition, which warrant further studies in Korea.
 
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acid deposition;nitrogen saturation;decomposition;organic matter;forest decline;
 
ȯ°æ»ý¹° / v.19, no.4, 2001³â, pp.232-238
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200120417581323)
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