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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 51243.
  1. Library Resource
    Artículos de revistas y libros
    Diciembre, 2012

    In this letter, we present the methodology and accuracy assessment of a new regional 250-m spatial resolution land cover map of insular Southeast Asia. Nearly 500 daily Moderate Resolution Imaging Spectroradiometer images (acquired 2 January–3 July 2010) were used in the production of the map. Additionally, peatland maps, elevation information and Daichi-Advanced Land Observing Satellite mosaic data were utilized in the mapping process.

  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 2013
    Estados Unidos de América

    A ca. 2010, 30m resolution map depicting annually tilled areas across the conterminous United States was developed. Input sources included fouryears, spanning 2008–2011, of annual national-level coverage Cropland Data Layer (CDL) land cover classifications as produced by the National Agricultural Statistics Service. Derived total land area under tillage from the aggregate CDL product equaled 112.8million hectares (278.7million acres).

  3. Library Resource
    Informes e investigaciones
    Diciembre, 2010

    Land is a natural resource that is valued for many reasons. Farmers utilize land to earn their livelihood and as a store of wealth for future retirement. Potential rural residents have increasingly sought open space for a home site and pursuit of a lifestyle. Developers seek financial opportunities to invest in and develop it for non-farm uses. Recreational needs such as hunting are often met through use of land. For some, land is viewed as an investment and a hedge against inflation.

  4. Library Resource
    Enero, 2012
    Europa, África subsahariana, África septentrional, Asia oriental, Oceanía, Asia occidental, América Latina y el Caribe

    The Global Environment Facility (GEF) and the UN Development Programme (UNDP) have published this annual report on joint projects financed during 2011 on ecosystems and biodiversity preservation, green development strategies, and sustainable use of water and ocean resources, among other topics. The GEF financed and supported 323 UNDP projects in 2011.

  5. Library Resource
    Diciembre, 2012

    CCAFS got off to a strong start in 2011, releasing high?profile scientific results and helping achieve, in collaboration with multiple partners, a significant outcome in the global climate change negotiations. The full set of reports from Centers, Themes and Regions on which this CRP synthesis report is based are available here.

  6. Library Resource
    Informes e investigaciones
    Noviembre, 2012
    África, Asia

    The 2011 Annual Report describes the achievements in each of the six rivers basins and how they are each responding to a well-defined development challenge. Stories and highlights from the basins elaborate on the messages.

  7. Library Resource
    Legislación y políticas
    Septiembre, 2011

    The Draft land law

  8. Library Resource
    Publicación revisada por pares
    Artículos de revistas y libros
    Diciembre, 2012
    África subsahariana, Asia meridional, África, Asia, América del Sur, Américas

    The year 2011 highlighted ongoing challenges to global food security, from food price volatility, extreme weather shocks, and famine to unrest and conflicts. On the policy front, major devel­opments at the global and national levels both offered grounds for encouragement and pointed to areas where further action is needed.

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