第六章 沙漠地区的植被 一、世界沙漠植被的主要类型 二、我国沙漠植物群系及典型植被 三、沙漠植被的演替特征一、世界沙漠植被的主要类型 Ericameria nauseosum in Utah, USA Chamaecrista cytisoides in Brazil Quercus coccifera and Rosmarinus officinalis in Spain Stipa tenacissima grassland in Morocco Festuca orthophylla grassland in Peru Eucalyptus populnea and Acacia aneura in Australia Eulychnia acida in Chile Stipa and Festuca species in Argentina Larrea cuneifolia shrubland in Argentina savannah of Acacia totalis in Kenya Fernando T. M. Phil. Trans. R. Soc. B (201