concentrations of pesticide residues in tissues of fish from kolleru lake in india.kolleru lake is the largest natural freshwater lake of andhra pradesh in india. it is situated between latitudes 16 degrees 32' and 16 degrees 47'n and longitudes 81 degrees 05' and 81 degrees 27'e. the use of pesticides for agricultural purposes is widespread in the kolleru lake region. the biological indicators like fish help in the studies of aquatic pollution by pesticides. fish species channa striata and catla catla and water samples were collected from kolleru lake in each of three seasons ...200111769254
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