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    ARTICLE

    Potential spatial expansion of Ulmus macrocarpa population in Keerqin sandy lands, China

    Jianar A, JH Yuan, YF Yang

    Phyton-International Journal of Experimental Botany, Vol.87, pp. 32-39, 2018, DOI:10.32604/phyton.2018.87.032

    Abstract Ulmus macrocarpa Hance can form monodominant woodlands in the semiarid Keerqin sandy lands, China. Methods of sampling at meter intervals from the bases of trees at the woodland edges and isolated trees, respectively, were employed along vertical sections in different directions. Using statistical methods based on the density function of the Weibull distribution, the patterns of seed dispersal and the spatial expansion response of U. macrocarpa, which is a typical anemochorous plant, were analyzed. Although as an effect of the wind direction varying owing to the monsoon, there were differences in the degree of dispersal of seeds… More >

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