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Table 4.

Environmental cost due to shrimp production increase in Hai Phong.

YearShrimp yield (ton)Commodity value using average price of $US15 kg−1Increase in shrimp yield by year (%)Environmental cost increase by production increase (%)Environmental cost added to total production costs (US dollars)
1997 547 8,205,000    
1998 653 9,795,000 19.38 7.67 75,166 
1999 1,170 17,550,000 79.17 31.35 550,236 
2000 1,366 20,490,000 16.75 6.63 135,927 
2001 1,650 24,750,000 20.79 8.23 203,769 
Source: Lan, 2005. 
YearShrimp yield (ton)Commodity value using average price of $US15 kg−1Increase in shrimp yield by year (%)Environmental cost increase by production increase (%)Environmental cost added to total production costs (US dollars)
1997 547 8,205,000    
1998 653 9,795,000 19.38 7.67 75,166 
1999 1,170 17,550,000 79.17 31.35 550,236 
2000 1,366 20,490,000 16.75 6.63 135,927 
2001 1,650 24,750,000 20.79 8.23 203,769 
Source: Lan, 2005. 
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