我国野生芍药Paeonia lactiflora适宜生长区的初步探讨

Selectivity rank regionalization of Paeonia lactiflora based on fuzzy method

目的:对野生芍药进行适生性等级区划,为野生芍药的引种、质量定位和适生地选择提供依据,探索基于模糊数学的中药区划新方法。方法:采用模糊数学(fuzzy mathematics)的相似优先比方法,以多伦地区的年均温、年降雨量、年风速、年光照、年湿度等五大环境因子为最优模板,土壤因子作为辅助背景,分析了全国91个县、市的气象数据,并对适生地进行数值等级区划,然后以地理信息系统(GIS)进行野生芍药的适生性地图显示及大地理范围等级区划。结果:野生芍药主要集中在大兴安岭、长白山和秦岭三大地区。结论:野生芍药的分布具有较明显的经、纬度地带倾向性,且呈等级分布,温度、降雨、地形、海拔对野生芍药的生长与分布有着明显的影响;野生芍药可分为三大地理单元等级分布区,最适合地区包括化德、锡林浩特、索伦、张北等5个县;Fuzzy的方法能够较好的运用在野生芍药的区划上,在中药的区划上具有较好的前景。

For optimal adaptive cultivation region selection, we used ecology factors characterized Duolun region as model area to carry out the adaptive habitat division of Paeonia lactiflora. Similar priority comparison of ecology factors in 91 cities were calculated by Fuzzy methods, then, distance of the ecology factors were transferred to spacial model by geography information system （GIS） and modified by soil utilization map of China. The results showed that P. lactiflora were mainly distributed in the Daxing＇an Mountain, Changbaishan and qinling range which were divided into six grades of suitable regions belonging to three geographical distributed units. The most similar areas to Duolun were Huade, Xilinhaote, Suolun and Zhangbei. P. lactiflora＇s distribution and quality are relevant with longitude and latitude, and temperature and rainfall.