The Assessment of OCPs Residues During Spawning of Commercial Fish in Estuary of Tajan River (Southern Part of Caspian Sea) Using Principal Components

The organo -Chlorine pesticides (OCPs) are used in paddy field and orchard farm discharge to river and finally to the ses .The peinciple components method was used to analyzed of lindane , α-BHC and b-BHC. These chemicals were classified in to two groups, the first (Lindane and b-BHC) and second components explained 47.77 and 34.84 percent respectively of total variance. The maximum concentration of Lindane ,α-BHC and b-HBC were 3, 7.3 and 3.9µg/l in winter and spring respectively. The maximum percentage of first and second components were 70 and 55% of samples detected respectively.

کلیدواژه ها:

Principal components ، Lindane ، α-BHC ، b-BHC and environmental pollutions