论文部分内容阅读
根据内蒙古乌兰察布市的自然、社会和经济条件,选取了平均海拔、年均降水、平均温度、农民人均收入、森林覆盖率、天然林面积比重、生态公益林面积比重7个指标,运用模糊聚类分析方法对该区进行聚类区划,区划出5个区域,分别是:Ⅰ阴山山地南麓东段经济用材林区,Ⅱ阴山南麓黄土丘陵防护林区,Ⅲ乌兰布市阴山北麓防护特用林区,Ⅳ乌兰察布市前山丘陵用材林区,Ⅴ阴山山脉灰腾梁南麓特用林区。各区域间自然条件等差异较大,而区内基本相同。针对各区特点提出了林业发展布局、目标及建议。
According to the natural, social and economic conditions of Wulanchabu, Inner Mongolia, seven indices of average elevation, average annual precipitation, average temperature, per capita income of farmers, forest coverage, proportion of natural forest area and area of ecological forest were selected. Fuzzy clustering analysis of the district clustering division, zoned out of the five regions, namely: Ⅰ Yinshan Mountains in the southern section of the economic timber forest, Ⅱ Yinshan Hillside Loess Plateau hilly forest area, Ⅲ Ulan Bum Yinshan Mountain Protection of special forest, Ⅳ Wulanchabu City foreland hills timber forest, Ⅴ Yinshan Mountains Gray Leung south of the special forestry area. The natural conditions among different regions are quite different, while the areas are basically the same. According to the characteristics of each district, the layout of forestry development, goals and suggestions are put forward.