郑州森林生态城林地适宜性评价

The Forest Land Suitablity Evaluation in Forest Ecology City of Zhengzhou

对郑州森林生态城林地进行适宜性评价,以土地类型作为评价的基本因素,并根据地貌、地形、土壤特性等确定林地评价因子,利用指标体系法建立了林地指数模型,用加权指数和法对各个因子的综合影响进行统计分析,得出了该区适宜、较适宜、勉强适宜等适宜性林地.并在此基础上,根据适地适树原则,进行了适宜林种、树种选择及群落构建方式策划.

When the forest land in forest ecology city of Zhengzhou was appraised, the land types were taken as basic factors. Accordig to the landforms, terrain, soil characteristics, the appraisable factors of forest land were determined and the index model of forest land was established. By analyzing and counting the effect on individual factor by adding up the weighted index method, and then the suitable forest land was obtained in three grades in this region. On this basis, the pattern of the suitable type of forest was designed, the tree eultivars were seledted and the mode of community was built on the basis of the principle of suitable tress for suitable lands.