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4th Conference (Hangzhou 1990)

Venue Hangzhou City, China
Date 5 – 9 September, 1990
Main Host Academy of Environmental Science
Co-Host ILEC
Supporting Agencies UNEP, UNCRD, IWRA, IAWPRC, Chinese Foundation on Natural Science, SIL, Shiga Prefecture
No. of Participants 422 (31 countries)
Main Theme Eutrophication of lakes
Registration fee  
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