在沈阳市远郊-近郊-市区等不同城市化水平区内选取林地、草地和路边土几种不同利用方式下的表层土壤,对土壤中的微生物状况进行了初步分析。结果表明,随着城市化水平的提高,土壤中微生物的数量表现为明显的减少趋势。其中变化较大的是细菌,而真菌和放线菌的变化不明显。
Topsoils were sampled from woodland, meadow and roadside separately in exurb, outskirts and the city zone in shenyang and microorganism status in different samples was analyzed. The results showed that the total number of microorganisms decreased obviously with the enhancement of urbanization level. The bacteria number changed greatly, but the number of fungi and actinomycete didnt alter obviously.