Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 350.
  1. Library Resource
    Articles et Livres
    décembre, 2013
    Qatar, Bangladesh, États-Unis d'Amérique, Afghanistan, Samoa, Chine, Indonésie, Soudan du Sud, Pakistan, Andorre, Yémen, Singapour, Mexique, Brunéi Darussalam, Émirats arabes unis, Inde, Fédération de Russie, Soudan, Mongolie, Géorgie, Monténégro, Liban

    The Programme for World Census of Agriculture 2000 was the sixth prepared by FAO for encouraging countries to undertake an agricultural census with standardized international concepts, definitions and methodologies. The programme covered the censuses carried out during the decade (1996 – 2005). Some 122 countries carried out an agriculture census during the decade and 114 countries made available their census reports to FAO. This publication is a methodological review of the agricultural censuses conducted within the framework of the Programme for World Census of Agriculture 2000.

  2. Library Resource
    Rapports et recherches
    décembre, 2016
    Égypte, États-Unis d'Amérique, Chili, Suède, Allemagne, Chine, Indonésie, Australie, Canada, République de Corée, France, Uruguay, Thaïlande, Nouvelle-Zélande, Japon, Finlande, Malaisie, Italie, Inde, Fédération de Russie, Turquie, Brésil, Autriche

    This note presents highlights and recent trends in data for each of the main product groups, as well as a short summary of recent changes or improvements in statistics.

  3. Library Resource

    Volume 10 Issue 2

    Publication évaluée par des pairs
    février, 2021
    Chine, Fédération de Russie, États-Unis d'Amérique

    The process of urbanization in China has been accompanied by the conflict of land expropriation, which is not conducive to social stability. Different from the previous angles and methods of studying the conflict of agricultural land expropriation, this study puts forward a new behavioral perspective on the basis of game theory, and constructs an evolutionary game model of the conflict of agricultural land expropriation in China from the perspective of multi-dimensional preference.

  4. Library Resource

    Land Use Policy Volume 67

    Publication évaluée par des pairs
    septembre, 2017
    Fédération de Russie, États-Unis d'Amérique

    Russia’s region of Chernozem and Kastanozem soils in Western-Siberia, where this study focused on the Kulunda steppe, has great potential as a carbon sink, particularly if the current widespread practice of burning crop residue can be replaced with conservation tillage practices that will return the residue to the soil. Environmentally-oriented land use policy measures have been introduced that could accomplish that goal. But these measures are quite recent, and face obstacles in the prevailing post-socialist institutional environment and in cultural norms.

  5. Library Resource

    Volume 10 Issue 3

    Publication évaluée par des pairs
    mars, 2021
    Chine, Fédération de Russie, États-Unis d'Amérique

    The structural index is an important quantitative parameter for revealing the structural properties of loess. However, there is no a widely accepted measurement method for structural index at present. This study aims at presenting a novel method for obtaining the loess structural index (LSI), based on the application of computed tomography (CT) scanning techniques and laboratory physico-mechanical tests. The mountainous area of Lvliang in northwest China was taken as the study area, and Late Pleistocene loess samples were taken from various sites in the region.

  6. Library Resource
    Rapports et recherches
    décembre, 2016
    Chine, Fédération de Russie, États-Unis d'Amérique

    There is a trend to acquire high accuracy land-cover maps using multi-source classification methods, most of which are based on data fusion, especially pixel- or feature-level fusions. A probabilistic graphical model (PGM) approach is proposed in this research for 30 m resolution land-cover mapping with multi-temporal Landsat and MODerate Resolution Imaging Spectroradiometer (MODIS) data. Independent classifiers were applied to two single-date Landsat 8 scenes and the MODIS time-series data, respectively, for probability estimation. A PGM was created for each pixel in Landsat 8 data.

  7. Library Resource

    Volume 10 Issue 1

    Publication évaluée par des pairs
    janvier, 2021
    Norvège, Pologne, États-Unis d'Amérique, Europe

    In many countries of the world, rural areas are characterized by a defective spatial structure of agricultural land. The most frequent defects are large fragmentation and distribution of farmland. The fragmentation of land has been an issue widely described by many authors throughout the world. The problem of the distribution of land owned by individual farmers is slightly different, since due to the complexity of the problem this issue was not widely explored in Poland (plot patchwork) or in other countries of Europe and the world.

  8. Library Resource

    Volume 9 Issue 10

    Publication évaluée par des pairs
    octobre, 2020
    Territoire britannique de l'océan Indien, République centrafricaine, Amérique centrale, Amérique du Sud, Amérique septentrionale, États-Unis d'Amérique, Chine, Inde, Europe, Fédération de Russie, Australie, Global

    Although the way in which vegetation phenology mediates the feedback of vegetation to climate systems is now well understood, the magnitude of these changes is still unknown. A thorough understanding of how the recent shift in phenology may impact on, for example, land surface temperature (LST) is important. To address this knowledge gap, it is important to quantify these impacts and identify patterns from the global to the regional scale.

  9. Library Resource
    Articles et Livres
    décembre, 2015
    Australie, Brésil, Canada, États-Unis d'Amérique, Inde, Fédération de Russie, Chine

    Groundwater vulnerability assessment is an important task in water resources and land management. The most sophisticated among the vulnerability assessment techniques is the GIS-based DRASTIC model. However, despite its popularity, it is marred with excessive subjectivity glitches; little research has been conducted to address the shortcomings associated with this method. This study investigates various issues regarding the application of the GIS-based DRASTIC model through a critical review of relevant literatures.

  10. Library Resource
    Articles et Livres
    décembre, 2009
    Ghana, Chine, Namibie, Indonésie, Australie, Danemark, Congo, Thaïlande, Kenya, Myanmar, Pologne, Argentine, Inde, Tchad, Géorgie, Mexique, Brésil, Canada, Asie, Afrique, Amériques

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