Spatio-temporal dynamics of the invasive plant speciesElytrigia athericaon natural salt marshes

[1 ]Community and Conservation Ecology Group; Centre for Ecological and Evolutionary Studies; University of Groningen; P.O. Box 11103; 9700 CC Groningen; the Netherlands

[2 ]IMARES Texel; P.O. Box 167; 1790 AD; Den Burg; the Netherlands

[3 ]National Park Administration of the “Lower Saxon Wadden Sea,”; Virchowstr. 1; 26382; Wilhelmshaven; Germany