The endangered rare plant coverage change detection in twelve years by using TM/ETM data

The endangered rare plants, named Tetraena mongolica, Helianthemum soongolicum, Reaumuria trigyna, Reaumuria soongorica, Potaninia mongolica, Ammopiptanthus mongolicus, are distributed in West Ordos Plateau National Protected Region in Inner Mongolia, China. During last ten years coverage area of the plants changed a lot. Recently two periods TM data were used to detect the coverage changes of the plants which provides some new evidence for current situation of the plants.