基于GIS的黄龙核桃生态气候适宜性评价研究
Northern Horticulture（2020）
Abstract
以陕西省黄龙县各个乡镇的核桃园为研究对象,使用陕西省黄龙县气象局的7个观测站2007-2014年的气象资料,DEM以土壤数据为基础,以格网化的30 m×30 m栅格为统计单元,利用GIS逆距离权重法的综合插值、模糊综合评价等方法和相关数学模型,对陕西省黄龙县核桃的生态气候适宜性进行评价.结果 表明:基于8个评价因子构成的黄龙县核桃适宜性评价指标体系和各评价指标,采用模糊综合评价法将黄龙县核桃生长的生态气候适宜性划分获得的最适宜区、一般适宜区和不适宜区3个等级,基本符合当地的实际情况;利用ArcGIS制作完成的黄龙县核桃种植宜适区专题图,对该县的核桃产业发展具有一定的指导作用;通过对研究区核桃适宜性进行综合评价,发现三岔乡西南部及中部,界头庙镇的西南部,以及范家卓子社区的南部核桃适宜性最好,其他区域适宜性不如以上3个区域,还有少数区域不适宜种植核桃.
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