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一、前言黑荆树(Acacia mearnsii Willd)原产澳大利亚,为常绿乔木,是亚热带和热带高海拔山地树种,也是优质栲胶原料树种。具有速生、萌发力强,发育早,寿命短,耐旱、喜光和适应多种土壤的特性。我区各县于1983年开始进行黑荆树引种试验(沿河县于1974年开始)。由于铜仁地区地理位置与原产地相距甚远,我们认为有必要了解我区各县与原产地的气侯相似程度。为此,根据各县气象站资料,应用模糊相似优选比分析我区各县气候与原产地气侯的相似程度,试图找出我区发展黑荆树的适宜地区。
I. Introduction Acacia mearnsii Willd is native to Australia and is an evergreen tree. It is a species of subtropical and tropical mountainous highland and a species of high quality gum material. With fast-growing, strong germination, early development, short life expectancy, drought, hi light and adapt to a variety of soil characteristics. The counties in our district started the introduction test of black wattle in 1983 (Yanhe County began in 1974). Since the geographical location of the Tongren area is far away from the place of origin, we think it is necessary to understand the similarities in climate between counties and places of origin in our area. To this end, according to the county weather station data, the use of fuzzy similar preference analysis of the county climate and the origin of climate similarity, trying to find out the suitable area for the development of black wattle in our district.