Oranais (3) Volcanism (2) Plants (2) Plant communities (2) Comunidades vegetales (2) Bassin (2) Limite Pliocène-Pléistocène (2) Phréatomagmatisme (2) Volcanisme (2) Méditerranée (mer) (2) Plantes (2) Associations végétales (2) Algérie (2) Ecology (1) Dispersal (1) Development (1) Employment (1) Variation (1) Composition (1) Assaying (1) Atlases (1) Lava flows (1) Maars (1) Neotectonics (1) Acidification (1) Year (1) Watersheds (1) Volcanoes (1) Time (1) Rivers (1)