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Showing items 1 through 9 of 46.
  1. Library Resource

    Volume 9 Issue 12

    Peer-reviewed publication
    December, 2020
    Mexico, United States of America

    Rangeland management in former tropical rainforest areas may affect ecosystem services. We hypothesized that management practices like burning and overgrazing reduce supporting (soil quality) and consequently also provisioning (forage productivity and quality) and regulating (nutrient cycling) ecosystem services.

  2. Library Resource
    Journal Articles & Books
    May, 2007
    Peru, Central America, South America

    People’s perceptions of their environment

    in high mountain rangelands ultimately

    affect the fragile ecosystems on which

    they depend, and thus their welfare. This is

    especially true in developing countries,

    where the livelihoods of people living in such ecosystems depend on grazing

    livestock. The present study, conducted in the central mountain region of Peru, used photographs and Q methodology to investigate the criteria and preferences that shepherds and local administrators apply in making

  3. Library Resource
    Journal Articles & Books
    December, 2003
    Costa Rica, Central America, South America

    The attitudes of farmers in relation to the importance of different people as information and opinion sources (InfS) for different phases of the decision-making process were studied in 91 Costa Rican dairy farmers. The InfS studied were: Family members, Other farmers, Technical advisors, Farm staff and Commercial agents, while the phases were: Problem detection, Seeking for problem solutions, Seeking for new practices and Seeking for opinion. A Multidimensional Preference Analysis (MDPREF) was used to obtain a two-dimensional map of preference of the farmers.

  4. Library Resource
    Journal Articles & Books
    December, 2003
    Brazil, South America

    In the Brazilian savanna, there is a risk that soil fertility of pastures declines to a level below that of the native savanna because of low fertilizer application. To evaluate biophysical pasture sustainability we compared regularly fertilized productive pasture (PP), degraded pasture fertilized 13 yr previously (DP), and native savanna (Cerrado, CE) in an on-farm experiment. We determined (i) biomass productivity of the pastures and (ii) nutrient concentrations in Anionic Acrustoxes from three plots under each of CE, DP, and PP.

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