Editing Doñana National Park (section)

===Flora of the transdunes===
[[File:DonanaBlickAufDieDünen.jpg|right|thumb|Dunes in the park]]
The ecosystem of the mobile dunes, also known as transdunes, which are formed by the prevailing south-west wind, is almost nonexistent elsewhere in the Iberian Peninsula. The harshness of this ecosystem is evident in the adaptations made by some plant species to its special conditions: the dunes of sand and soil are inconsistent. The gradual burial of vegetation, especially of trees that emerge then die, killed by the slow movement of sand, is one of the most well-known phenomena in the beach area of the park.