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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.32, no.3, 1999³â, pp.200-200
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( Primary Production and Organic Carbon Budget in Lake Soyang )
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The organic carbon budget was surveyed to clarify the contribution of phytoplankton primary production in Lake Soyang from 198e to 1995. Autochthonous organic carbon was calculated from the primary production of phytoplankton. Allochthonous organic carbon was analyzed by measuring COD input from watershed and discharge from fishfarms in the lake. Outflowing organic carbon from lake were measured by COD at the outlet of the lake. Annual primary production ranged $7,000{sim}19,000$ tC/yr, primary productivity was higher in summer. During $2{sim}3$ month in a year primary productivity exceeded the criteria of eutrophic lake, 1,000 mgC $m^{-2}day^{-1}$. Both autochthonous and allochthonous loading of organic carbon were highest in summer from June to September. The inorganic nutrients and organic carbon input via storm runoff stimulated the phytoplankton production in late summer. The contribution of organic carbon loading from autochthonous production accounted for average 51% of the annual organic carbon loading. While allochthonous organic input was 49%.
 
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Primary production;Organic carbon budget;Lake Soyang;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.32, no.3, 1999³â, pp.200-200
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199910102424373)
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