Abstract：The petroleum pollutants permeating into the soil environment will affect the soil physical and chemical properties and microbial activity, which in turn affects soil respiration intensity. Some certain pollution area is taken as the research object in this paper, and through surveying and sampling，and by means of molecular biology method, the soil microbial biomass, soil chemical indicators, and soil basal respiration of the polluted vadose and aquifer are studied. It is shown that the basal soil respiration is mainly affected by microorganism quantity, followed by nitrate, ammonia nitrogen, nitrite, etc. The influence of oil pollution on soil basic respiration is mainly the inhibitory effect in the shallow soil depth (0.5 m) and in the underground water level change area (1.5 m).
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2014, Vol. 32 
