Now showing items 1-2 of 2

    • Arthropod biodiversity loss and the transformation of a tropical agro-ecosystem 

      Perfecto, Ivette; Vandermeer, John; Hanson, Paul; Cartin, Víctor (Chapman & Hall, 1997)
      The coffee (coffea arabica) agro-ecosystem in the Central Valley of Costa Rica was formerly characterized by a high vegetational diversity. This complex system has been undergoing a major transformation to capital-intensive ...
    • Biodegradable polyurethanes from sugar cane biowastes 

      Jose-Roberto, Vega-Baudrit; Delgado Montero, Karina; Madrigal-Carballo, Sergio (Cellulose chemistry and technology, 2011)
      In a previous work, it was demonstrated that 70% of the molasses isolated from the biowaste generated by the agro-industrialization of sugar cane allow obtaining composite materials with adequate mechanical properties ...