cliffs and dunes at the costa vicentina natural park, southwestern portugal

alentejo aljezur bay beach biomes cenozoic cliffs coast coastal coastline cove coves dune dunes ecosystem endemic erosion formation formations fossilized geologic geology geomorphological geomorphology habitats islets layers masses mesozoic natural orange outcrops paleozoic park plant portugal quartz rock sand sands schist seascape seashore southwest species strata surf systems unconformity vicentina waves wind windy