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1、 40 1 2014 3 Journal of Inner Mongolia Forestry Science Technology Vol40 No1 Mar.2014 2013- 11- 06 1949 。 、 1 2 1 3 1 010019 2 010020 3 010019 。 、 、 、 、 、 、 。 、 S725 A 1007- 4066 2014 01- 36- 07 Summary on Afforestation Density and Its Affecting Factors in Arid and Semi arid Area WANG Lin he 1 2 YAO
2、 Xi jun 1 3 1 College of Ecology and Environmental Science Inner Mongolia Agricultural University Hohhot 010019 China 2 Inner Mongolia Hexinyuan Monsod Drought resistance Greening Limited Company Hohhot 010020 China 3 Inner Mongolia Institute of Land Survey and Planning Hohhot 010019 China Abstract
3、Through studying and analyzing the afforestation density in recent years the relation between afforestation density and water balance the relation between afforestation density and near natural afforestation and the relation between afforestation and tree species have been expounded in detail Combin
4、ed with the practical situations in arid and semi arid area the rational density ranges of some common arbor and shrub species have been determined which provide the theoretical basis for affestation and greening in arid area Key words arid semi arid area afforestation density water balance tree species 、 。 。 。 400 mm 、 “ ” 。 、 、 。 、 。 “ ” 。 。 。 、 。 1 、 、 “ ” “ ” “ ” 。 “ ” “ ” “ ” 。 1 1 1 、 、 、 。 “ ” 。 、 。 。 。 1 、 、 、 、
