Effects of Three Different Green Lands in Plantation Structure on the O2-Emitting, CO2-Fixing, Heat absorbing and Temperature decreasing in Residential Quarters
居住区不同类型绿地释氧固碳及降温增湿作用

The green lands in residence areas in Beijing city were classed into three types with different plantation structures(tree shrub herb type, shrub herb type and lawn type). Their effects on temperature decreasing, humidity increasing and CO 2 adjust of environment were contrasted. The effect values were appraised further. The results indicated that the tree shrub herb type green lands have greater effects on improving the environment of residence areas than the others.