Effect of industries on the environment of Jiaozhou Bay

Since China's move towards reform and opening up, the problem of environmental pollution has becomes more and more serious. This paper tried to reveal the pollution level, distribution characteristics, migration patterns, and sources of the pollutants in Jiaozhou Bay in 1979. Results showed that, in 1979, waters in Jiaozhou Bay had little been contaminated by Cd, Cr, Pb, and Hg; while bad been contaminated by HCH and PHC in a certain level. The major pollution sources of Cd, Cr, Pb, Hg, HCH, and PHC could be considered as point source, dry and wet deposition, wastewater and sewage, rock weathering, and agricultural non-point source, respectively. The temporal, horizonal and vertical distributions of pollutants in Jiaozhou Bay in 1979 had showed the influences of human activities on environmental quality, even if in the beginning of the reform and opening-up in China. The development of social and economic development should be on the base of protecting environment and concordant to the capacity of nature.