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目的:研究藏药长毛风毛菊种群生物学特征,分析其产地适宜性。方法:采用植物种群生态学研究方法,调查典型样地长毛风毛菊密度、生物量;运用《中药材产地适宜性分析地理信息系统》(TCMGIS-Ⅱ)对其生态适宜性进行分析。结果:长毛风毛菊主要分布在海拔3 200~5 200 m的高山草甸,对光照等环境因素依耐性强,分布较为集中,生长密度大,产量高;全国共有西藏、四川、青海、甘肃、云南5个省区的226个县市为长毛风毛菊适宜产区,适宜面积338 776.89 km2。其中,西藏适宜总面积最大(148 175.55 km2),其次为四川(110 216.46 km2)、青海(62 947.61 km2)、甘肃(16 233.09 km2)、云南(1 177.18 km2)。结论:本研究分析出了长毛风毛菊种群特征和适宜区域,对于其引种栽培、科学区划以及资源的可持续利用都具有重要的意义。
OBJECTIVE: To study the biological characteristics of Tibetan clover (Vitis vincaensis) population and analyze the suitability of its origin. Methods: Using plant population ecology method, the density and biomass of C. mongolica in a typical plot were investigated. The ecological suitability of TCM using GISGIS - Ⅱ was analyzed. The results showed that the species was mainly distributed in the alpine meadows ranging from 3 200 m to 5 200 m above sea level, with strong tolerance to light and other environmental factors, with a high concentration of density and high yield. There were a total of Tibet, Sichuan, Qinghai, 226 counties in Gansu and Yunnan provinces and five provinces are the suitable areas for the production of S. longifolia and the suitable area is 338,776.89 km2. Among them, Tibet has the largest total area (148 175.55 km2), followed by Sichuan (110 216.46 km2), Qinghai (62 947.61 km2), Gansu (16 233.09 km2) and Yunnan (1 177.18 km2). Conclusion: This study analyzed the characteristics and suitable area of the population of Magnolia Biondii, which is of great significance for its introduction and cultivation, scientific division and sustainable utilization of resources.