Based on the distribution information of 110 samples and 55 environmental factors, Maxent model was used to predict the ecology suitability regions of Trollius chinensis. The study aims at providing theory basis for the cultivation of T. chinensis. The results showed that the Maxent model prediction result was good (AUC>0.9) and the main factors effecting the ecology suitability regions of T. chinensis were precipitation in July, standard deviation of seasonal variation of temperature, annual mean temperature, precipitation in August and altitude. The ecology suitable regions of T. chinensis mainly concentrated in Shanxi, Hebei, east of Inner Mongolia, west of Jilin and Liaoning, north of Shaanxi, south of Ningxia, east and south of Gansu, and east of Qinghai. The results indicated that except for traditional distribution regions, north of Shaanxi, south of Ningxia, east and south of Gansu, and east of Qinghai could selected as the regions for cultivation of T. chinensis. It provides theory basis for selecting suitable regions to cultivate T. chinensis.
Keywords: ArcGIS; Maxent; Trollius chinensis; ecological suitability; environmental factors.
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