low-angle view of glasswort or marsh samphire plants, salicornia, growing on mudflats at low tide in wadden sea south of east

algae closeup east frisian island ecosystem europe european german germany glasswort green halophyte juist kalfamergat low tide lowangle marsh samphire marshes marshland mudflat nature pickleweed pioneer species plants red salicornia salt saltwater sandbank sandflat sandflats selective focus shallow depth field succulent tidal flats unesco world heritage vegetation wadden sea waddensea wetland wetlands