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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 1292.
  1. Library Resource

    Volume 7 Issue 3

    Publicación revisada por pares
    Septiembre, 2018
    Indonesia

    In Indonesia, land cover change for agriculture and mining is threatening tropical forests, biodiversity and ecosystem services. However, land cover change is highly dynamic and complex and varies over time and space. In this study, we combined Landsat-based land cover (change) mapping, pixel-to-pixel cross tabulations and expert knowledge to analyze land cover change and forest loss in the West Kutai and Mahakam Ulu districts in East Kalimantan from 1990–2009.

  2. Library Resource

    Volume 7 Issue 2

    Publicación revisada por pares
    Junio, 2018
    Global

    Forest reference (emission) levels (FREL/FRLs) are baselines for REDD+, and 34 countries have submitted their FREL/FRLs to UNFCCC by January 2018. Most of them used simple historical average without considering the stages of forest transition. This research suggested that the period of calculating FREL/FRLs of simple historical average should be properly chosen if these countries are occupying multiple stages or sub-stages of forest transition.

  3. Library Resource

    Volume 6 Issue 4

    Publicación revisada por pares
    Diciembre, 2017
    Europa

    Anthropogenic land cover change (ALCC) is the most important transformation of the Earth system that occurred in the preindustrial Holocene, with implications for carbon, water and sediment cycles, biodiversity and the provision of ecosystem services and regional and global climate. For example, anthropogenic deforestation in preindustrial Eurasia may have led to feedbacks to the climate system: both biogeophysical, regionally amplifying winter cold and summer warm temperatures, and biogeochemical, stabilizing atmospheric CO 2 concentrations and thus influencing global climate.

  4. Library Resource
    Informes e investigaciones
    Agosto, 2016
    Asia meridional, India

    The monograph examines the recommendations of the Western Ghats Ecology Expert Panel on making the Western Ghats eco sensitive zones in the light of Indian environment laws. The Indian environment debate of conservation and protection of biodiversity has been sustained by post colonial response that has two major opposing strands. The first is the cultural opposition characterised by the indigenous people of their homestead, religious and livelihood rights. The second is the opposition within the political and legal framework that has taken the judicial and policy making route.

  5. Library Resource

    Balance de los incendios forestales 2019 y su relación con la tenencia de la tierra

    Informes e investigaciones
    Octubre, 2019
    Bolivia

    Entre agosto y septiembre de 2019, Santa Cruz ha experimentado la mayor crisis ambiental ocasionada por los incendios forestales. La superficie quemada asciende a 3,6 millones de hectáreas, lo que equivale al 9,6% del territorio cruceño. El segundo departamento afectado por el fuego es Beni con 1,1 millones de hectáreas. A nivel nacional, la superficie quemada asciende a 5 millones de hectáreas.

  6. Library Resource
    RBC
    Artículos de revistas y libros
    Enero, 2019
    América Latina y el Caribe, América del Sur, Brasil

    A Floresta Amazônica possui importância indispensável para o equilíbrio terrestre, pois proporciona diversos serviços ambientais. O desmatamento é uma ameaça imediata a este ecossistema, pois afeta os níveis de evapotranspiração da floresta, tornando o clima local mais quente e seco; podendo influenciar no clima além de seus limites, devido à circulação atmosférica. Este estudo avalia os efeitos de longo prazo do desmatamento progressivo da Amazônia sobre a precipitação no Brasil, através do modelo CCM3-IBIS.

  7. Library Resource
    DMA

    ameaça ou necessidade? O caso da Reserva Extrativista Tapajós-Arapiuns, Pará, Brasil

    Artículos de revistas y libros
    Agosto, 2019
    América Latina y el Caribe, América del Sur, Brasil

    O desenvolvimento da atividade pecuária dentro de Reservas Extrativistas na Amazônia tem sido motivo de polêmicas e debates inflamados na área ambiental desde o estabelecimento da Lei do SNUC. O histórico do movimento extrativista teve nos empates sua principal bandeira de luta, como estratégia de combate ao avanço da fronteira agropecuária. Independentemente dos avanços do movimento, é fato que a pecuária bovina se configurou, ao longo dos últimos 20 anos, como o uso predominante nas áreas desmatadas na Amazônia, inclusive dentro das Reservas Extrativistas.

  8. Library Resource
    Documentos de política y resúmenes
    Mayo, 2013
    Global

    “Landscape approaches” seek to provide tools and concepts for allocating and managing land to achieve social, economic, and environmental objectives in areas where agriculture, mining, and other productive land uses compete with environmental and biodiversity goals. Here we synthesize the current consensus on landscape approaches. This is based on published literature and a consensus-building process to define good practice and is validated by a survey of practitioners.

  9. Library Resource
    Informes e investigaciones
    Septiembre, 2013
    Asia sudoriental, Bangladesh

    Research was conducted in Alutilla Valley in eastern Bangladesh to identify the nature of existing agroforestry systems and to identify potential agroforestry models that could ameliorate currently degrading forest resources Data were collected through farmer participatory research and a structured quarterly survey in two villages. Qualitative and supplementary quantitative analysis methods were used to assess the financial potential of agroforestry systems.

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