上海日前出台的《新建住宅环境绿化建设导则》为住宅小区营造舒适、安全、健康、平衡的生态型景观环境提供了参照。导则规定:新建住宅绿化建设,落叶乔木与常绿乔木的比例保持1比1至1比2;乔木与灌木的比例应为1比3至1比6;草皮面积则要求不高于绿地的30%。此外,面积 Recently, Shanghai’s “Guideline for Greening New Residential Environment” has provided references for residential communities to create a comfortable, safe, healthy and balanced ecological landscape. The guidelines stipulate that the ratio of arbor to shrub shall be 1 to 3 to 1 to 6 for the new residential afforestation construction, and the ratio of deciduous tree to evergreen arbor should be 1: 1 to 1: 2; the area of ​​turf should not exceed that of green space 30%. In addition, the area