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The halophilous vegetation of the Orumieh lake salt marshes has been studied, using the Braun-Blanquet method. Vegetation types have been defined by physiognomic-floristic system. The following six main groups of communities are recognized: (1) Semi-woody shrub and perennial halophytic communities (Class Halocnemetea strobilacei) including 6 associations and 5 subassociations, (2) Annual halophytic communities (Class Thero-Salicornietea) including 5 associations and 1 subassociation, (3) Salt marsh brushwood communities (Class Tamaricetea) including 4 associations, (4) Rush and herbaceous perennial halophytic communities (Class Juncetea maritimi) including 7 associations and 1 subassociation, (5) Rush and herbaceous perennial halotolerant communities (Class Agrostietea stoloniferae) including 5 associations, (6) Hydrophilous halotolerant communities (Class Phragmitetea) including 3 associations and 2 subassociations. The soil of these communities has been analysed and their habitats are described and discussed. 相似文献