重庆市土地利用方式变化对生态环境的影响

Effect of Change of Soil Utilization Pattern on the Ecological Environment in Chongqing

结合重庆历年土地利用方式变化情况分析了土地利用方式变化对重庆生态环境的影响,结果表明土地利用方式的变化对区域生态环境影响明显:产生了拥挤和热岛效应,城市的环境质量也有所下降,大气污染、水污染、固体废弃物污染、噪音污染和城市灾害有所增加。农用地和未利用地向建设用地的转变对区域固体废弃物、水环境影响最为明显。

The eftect of change of soil utilization pattern on the ecological environment in Chongqing city was studied by analyzing the change conditions of soil utilization pattern over the years. The resuh showed that the ecological environment of Chongqing was affected greatly by the variance of the soil utilization pattern, i. e. the crowd city, heat island effect, reduction of enviromnent quality, air pollution, water pollution, solid wastes pollution, noise pollution and urban diseases. The solid wastes and water environment were affected obviously by the transformation from agricultural land and unutilized land to construction land.