Theory and method of water-saving eco-agriculture planning in ari and semiarid area .
干旱半干旱地区节水生态农业规划的理论与方法。
A water and heat transport model in arid and semiarid regions .
干旱及半干旱区土壤水热传输模式研究。
Growing seasons in temperate regions will expand , while droughts are likely to ravage further the semiarid regions of africa and southern asia .
温带地区的植物生长季节将增长,而在非洲和南亚缺水区域,乾旱将更为严重.
Species composition and plant diversity within watershed were investigated at different habitat in semiarid loess hilly region during the process of vegetation restoration .
The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures .
