The urban greenland is a main component of cityecologicalsystem and plays an important role in removing the pollutants in urban surface runoff.
城市绿地是城市生态系统的重要组成部分，对于控制城市地表径流中污染物起到至关重要的作用。
2
Therefore, a new kind afforestation budgetary method that takes the multiple parameter m as the index is put forward by the characteristics of cityecologicalsystem.
为此，根据城市生态系统的特点提出了一种新的以综合参数M为指标的绿化概算方法。
3
Finally, Vanke Crystal City on the environmental planning and evaluation system of ecological environment are analyzed and summarized.