Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 17.
  1. Library Resource
    Documents et rapports de conférence
    juillet, 2008
    Brésil

    O MIMES – Multi-scale Integrated Model of the Earth Sytems Ecological Services é o primeiro modelo global a relacionar a dinâmica entre a tecnologia, produção e bem-estar econômico e os bens e serviços ecossistêmicos do sistema dinâmico da Terra, de forma espacializada. É um “meta-modelo” que representa uma síntese de uma simplificação dos diversos modelos globais dinâmicos existentes nas ciências naturais e sociais em um nível intermediário de complexidade. O objetivo do MIMES é simular o sistema integrado da Terra e avaliar a dinâmica e os valores dos serviços dos ecossistemas.

  2. Library Resource
    Documents et rapports de conférence
    décembre, 2007
    Honduras, Paraguay, Bolivie, Argentine, Costa Rica, Brésil, Amérique centrale, Amérique du Sud, Caraïbes

    Rising oil prices has led to increased interest to replace domestic demand for liquid fuels for transport (petrol and diesel) with biofuel production (ethanol and biodiesel). One of the pioneers in biofuel production is Brazil, which since the 1970s has established a government program that promotes the production and consumption of ethanol. Currently, Brazil is the leading producer of ethanol in the world and has started also programs for biodiesel production based on soybeans, oil palm and other crops.

  3. Library Resource
    Documents et rapports de conférence
    décembre, 2011
    Brésil, États-Unis d'Amérique, Chine, Global

    The economic and land use consequences of US biofuel programs and their contributions to GHG emissions have been the focal point of many debates and research studies in recent years. However, most of these studies focused on the land use emissions due to the first generation of biofuels such as corn ethanol, sugarcane ethanol, and biodiesel (e.g. [1, 2] [3, 4]). A quick literature review indicates that only a few attempts have been made to estimate these emissions for the second generation of biofuels which convert cellulosic materials into liquid fuels. Gurgel et al.

  4. Library Resource
    Documents et rapports de conférence
    juillet, 2008
    Brésil

    O objetivo deste trabalho foi estudar a dinâmica de uso e ocupação da terra em Áreas de Preservação Permanente – APPs - na Bacia Hidrográfica dos Rios Mogi Guaçu e Pardo, estado de São Paulo, de modo a subsidiar a formulação de políticas públicas. As APPs foram identificadas e mapeadas usando imagens do Landsat-7. O uso antrópico em áreas de preservação permanente tem sido freqüentemente relatado na literatura, para diferentes regiões do Brasil, com destaque para o uso agrícola. Tal fato também se observa na Bacia Mogi-Pardo, conforme se evidencia neste trabalho.

  5. Library Resource
    Documents et rapports de conférence
    juillet, 2008
    Brésil, Océanie

    A implantação do ordenamento territorial do Alto Acre é etapa fundamental para o planejamento da ocupação dos espaços e direcionamento de atividades em busca do desenvolvimento regional. Este trabalho teve como objetivo criar um referencial teórico para a implantação do ordenamento territorial da região do Alto Acre.

  6. Library Resource
    Documents et rapports de conférence
    décembre, 2009
    Brésil, Afrique, Amérique du Sud

    There is widespread recognition that forestry carbon credits can reduce the net emissions of carbon into the atmosphere. Designing systems to sequester carbon, however, has proven difficult due to a number of efficiency issues, including leakage. Leakage occurs when policy makers develop carbon projects in specific places which protect some parcels of land, but leave other parcels of land unprotected. This analysis uses a newly developed model of global land use change from an established forestry and land use model, described in Sohngen et al.

  7. Library Resource
    Documents et rapports de conférence
    octobre, 2005
    Chine, Brésil

    Presentation Overview:Convey key OECD findings about agriculture in Brazil and China; Identify the key results of policy reform; Present implications for the future.

  8. Library Resource
    Documents et rapports de conférence
    décembre, 2011
    Brésil

    As the biofuels are emerging as promising alternative transportation fuels across the world, they also offer huge potential for international trade in biofuels. A number of trade barriers such as import tariffs and domestic support have limited the scope for trade in biofuels. The purpose of this study is to analyze the implications of U.S. biofuel mandates, subsidies and import tariffs on global trade and welfare.

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