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Sand blown from the Mediterranean beach inland, in the past and at present, becomes stabilized due to vegetation activity. Within the mesic Mediterranean territory of Israel, being a rather extreme and dry type of environment, every small change in the substratum induced by vegetation activity becomes prominent. Dozens of associations have been described elsewhere. The present paper deals with the gradual changes in the vegetation composition along the psammosere in the Caesarea area. This unique situation in the Mediterranean area calls for immediate protection and conservation, mainly from urban sprawl.