Aerial view of saltmarsh at low tide near Cadiz, Spain

aerial aerial shot saltmarsh salt marsh saltmarshes salt marshes low tide cadiz spain europe erosional feature tidal hydrological drainage draining channels vertical winding brain like convoluted snaking wet complex connection interconnected interconnection connected green blue coastal sea level rise global warming sea marine inter tidal intertidal river february winter jbr nobody outdoor spanish stream tributary wetland wet land blue water dendrous branching branched fertile ecosystem niche ecological unique distinctive swamp marsh saline nature natural landform fertility high angle view jun08pgm s072