Abstract
This study is devoted to the analysis of psammophile of coastal dunes of the region of Tlemcen. The interpretation by the factor analysis of matches (A. F. C.) has allowed us to individualize classes’ phytosociologique different. The colonize psammophile, par excellence, the embryonic dunes. Some species colonize the dunes vivid. Finally, other occupies the dunes the most advanced and laid down. Using the data and phytosociologique phytodynamiques, we were able to understand the evolution of this vegetation, and its diversity.
Highlights
The vegetation, the region of Tlemcen, presents a good example of study of plant diversity; and especially an interesting synthesis on the natural dynamics of ecosystems from the shoreline up to the steppe
This study is devoted to the analysis of psammophile of coastal dunes of the region of Tlemcen
Using the data and phytosociologique phytodynamiques, we were able to understand the evolution of this vegetation, and its diversity
Summary
The vegetation, the region of Tlemcen, presents a good example of study of plant diversity; and especially an interesting synthesis on the natural dynamics of ecosystems from the shoreline up to the steppe. This study has been launched by several authors. These include mainly: Zeraïa (1981), Dahmani-Megrouche (1997), Quezel (2000), and Bouazza and Benabadji (1998). The work that we are presenting here concerns the evolution of psammophiles the coastline of the region of Tlemcen. The latter is linked to a high percentage of sand, always higher than 60 %. They are located in the northern part; in the South, these formations are well represented and are essentially related to the importance of deposits of sand and the presence of gypsum and salts
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