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    Agroforestry and the Improvement of Soil Fertility: A View from Amazonia by Rachel C. Pinho, Robert P. Miller, Sonia S. Alfaia

    Published 2012-01-01
    “…Lastly, attention is given to a case study in the savanna region of Roraima, northern Brazil, where a chronosequence of indigenous homegarden agroforestry systems showed clear effects of management practices involving trees on soil fertility. …”
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    Effects of the Trophobiont Herbivore Calloconophora pugionata (Hemiptera) on Ant Fauna Associated with Myrcia obovata (Myrtaceae) in a Montane Tropical Forest by Roberth Fagundes, Kleber Del-Claro, Sérvio Pontes Ribeiro

    Published 2012-01-01
    “…In this study, the objective was to evaluate the effect of availability of honeydew-producing colonies of Calloconophora pugionata (Membracidae) on the structure of ant assemblages associated with the host plant Myrcia obovata (Myrtaceae) in an Atlantic forest of Minas Gerais (Brazil). Our experiment consisted in a gradual exclusion of hemipteran colonies out of the host plant crown and further record of the ant assemblage response (species richness, composition, and occurrence) to the presence and density of treehopper colonies. …”
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