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Showing items 1 through 9 of 89.
  1. Library Resource

    Decimotercer Informe Estado de la Nación en Desarrollo Humano Sostenible

    Conference Papers & Reports
    December, 2007
    Latin America and the Caribbean, Costa Rica

    El objetivo de este artículo es llamar la atención sobre la ocupación de la zona marítimo-terrestre (ZMT). En estos territorios coexisten situaciones legítimas, anómalas y anárquicas respecto con la tenencia de la tierra. La ingobernabilidad de la ZMT es producto de la inadecuada aplicación del marco legal y la ausencia de conocimiento sistematizado. La información sobre esta temática está muy dispersa, es escasa y además, poco accesible.

  2. Library Resource
    Conference Papers & Reports
    December, 1972
    Colombia, Central America, South America

    Yield trials with farmers and acceptance surveys were conducted in Colombia in 1969-1970 to assess the potential use of opaque-2 maize in the tropical regons of the country. Yields were variable, particularly from one farm to another. In spite of this variability which may have confused the results, and analysis of variance was applied, using farms as replications.

  3. Library Resource
    Conference Papers & Reports
    December, 2016
    Guatemala

    One of the main technical knowledge gaps for sustainable timber production in tropical forests is the lack of reliable information on tree growth, which is indispensable for defining cutting cycles and estimating harvest volumes. We applied dendroecological methods to measure and model the diameter growth (dbh) of mahogany Swietenia macrophylla and cedar Cedrela odorata in humid tropical forests of community-managed concessions in the Maya Biosphere Reserve, Petén, Guatemala. The width of growth rings was determined in increment cores from 32 trees of S. macrophylla and 27 of C.

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