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    • Copper contents in Mediterranean ecosystems in South America 

      Bustamante Araya, Ramiro; Toral Ponce, María; Richter Duk, Pablo; Serey Estay, Italo; Yates, L. R. (KLUWER ACADEMIC PUBL, 1997-05)
      Copper mining activities are very important in central Chile. Like other metals, copper is a nutrient for most plants at low concentration levels; however, at higher levels it may become toxic. At present, copper abundance ...