为明确国内酿酒葡萄主栽品种之一的美乐在我国北方的发展趋势，本文综合运用模糊数学、集优法和逐步分区法，借助GIS小网格推算技术、空间分析和图层运算等功能，完成中国北方美乐生态区划。结果表明：我国北方大部分省份均可以种植酿酒葡萄，而美乐生态最适宜以及适宜区主要集中分布在北方几大山系和水系区域。包括，大兴安岭南麓余脉的内蒙古部分地区、贺兰山东西两麓宁夏部分县市和内蒙古阿拉善左旗东部地区，沿太行山、天山山脉的部分地区，以及西北地区沿黄河流域的宁夏中北部和内蒙古中部部分地区。根据区划结果建议美乐种植应从传统的环渤海湾产区和黄河故道产区向西北产区转移，同时注意与其它品种的搭配种植，以充分利用当地气候资源。%In order to make sure the progress trend of the Merlot which is one of the main wine grape varieties in northern China, the methods of fuzzy mathematics, optimization assembled and the stepwise division method were employed comprehensively in this article, the ecological regionalization for Merlot were completed with small grid simulation technology, spatial analysis and layer operation supported by GIS. The results showed, most of the north provinces in China could grow wine grapes, optimum and appropriate ecological areas of Merlot distributed along or close to the mountains and rivers. In which, three concentrated optimum ecological areas were in the following areas: some areas of in Inner Mongolia along the south section of Great Hinggan mountains region;some counties in Ningxia and eastern Alashan banner Inner Mongolia along the two sides of Helan mountain; some areas along Taihang mountain, Tianshan mountain, and the Yellow River in the northwestern region of China. So, as the mid-mature varieties, the Merlot planting areas should move from the traditional region-the Bohai Gulf and the old course of the Yellow River in Henan, Shandong, Anhui province to the northwest regions of China, and Merlot should plant with other wine grape varieties to make full use of the local climate resources.
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