Phytoremediation of mine soils contaminated by potentially toxic elements (PTEs) requires the use tolerant plants given specific conditions toxicity in altered soil ecosystems. In this sense, a survey was conducted an ancient Hg-mining area named “El Terronal” (Asturias, Spain) which is severely affected PTE contamination (As, Hg, Pb) to obtain inventory spontaneous natural vegetation. A detail...

The establishment of temporary meadows is not a new problem, but it has been the subject long researches. When achieving this objective, mixture perennial species must be taken into account that corresponds from point view pedo-climatic zone, technical and economic possibilities, purpose duration designed. (Vidican Roxana al. 2002). Our research shows complex mixtures (grasses legumes) are most...