Relationship between frequency of sandstorms and air humidity as well as plant phenology: a case study from the Minqin desert area Phenological Characteristics of Typical Herbaceous Plants(Lris lacteal) and Its Response to Climate Change in Minqin Desert Stability and Ecological Effect of Mainly Plant Communities in Minqin Desert Area 干旱沙区46种木本植物的物候研究——以民勤沙生植物园栽培植物为例 Responses of vegetations in Minqin desert area to climate change. The Grey Relatedness Analysis between the Modular Structure of Clonal Population of Calligonum mongolicum and the Environmental Factors in the Minqin Desert A RELATIONSHIP BETWEEN PHYSIOLOGICAL CHARACTERISTICS OF SOME FRUIT TREES AND SOIL WATER CONTENTS IN MINQIN DESERT AREA Phenological Characteristics of Desert Plant in Minqin Desert Area Sustained Characteristics and Combination Characteristics on Phenophase of Plants in Minqin Desert Region Effect of light and temperature on the germination of three annual plants Cultivation of introduced alfalfa varieties in an arid area of Minqin county Response of grassland vegetation to climate warming in the Minqin area