Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 3129.
  1. Library Resource

    Volume 10 Issue 3

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

    The collective commercial construction land (CCCL) reform in China has attracted considerable attention worldwide, but studies on the influencing factors and performance of governance modes for CCCL marketization are still in their infancy. First, by deconstructing CCCL, this study developed a conceptual framework from the perspective of transaction cost economics.

  2. Library Resource

    Volume 10 Issue 3

    Publication évaluée par des pairs
    mars, 2021
    Chine

    The Yangtze River Valley is an important economic region and one of the cradles of human civilization. It is also the site of frequent floods, droughts, and other natural disasters. Conducting Holocene environmental archaeology research in this region is of great importance when studying the evolution of the relationship between humans and the environment and the interactive effects humans had on the environment from 10.0 to 3.0 ka BP, for which no written records exist.

  3. Library Resource

    Volume 10 Issue 3

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

    The development of green agriculture is an effective way to realize the sustainable development of agriculture, which is of great significance for guaranteeing national food security, improving the supply ability of agricultural products, promoting the healthy development of cultivated land, and realizing green development.

  4. Library Resource

    Volume 10 Issue 3

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

    Investigating the characteristics and mechanisms of the spatial and temporal variations of commercial land prices and its major subdivisions has great theoretical and practical significance in the study of urban economy and its spatial refinement management. Unlike general commodity prices, land prices are influenced by geographical location and tend to fluctuate over time. However, most scholars have not explored the influence mechanism of commercial land prices in both time and space.

  5. Library Resource

    Volume 10 Issue 3

    Publication évaluée par des pairs
    mars, 2021
    Bahamas, Chine, Grèce, Norvège, Saint-Siège

    The spatial distribution of potentially toxic elements in land near a heavily loaded highway in the West Attica region (Greece) is discussed. This study aimed to investigate the extent of soil contamination with trace elements on land in the margin of highways. The concentration of thirty-five elements in topsoil, car ash, and road sediment bulk samples was determined. Statistical and spatial analysis was applied for evaluating the geochemical dispersion of the examined elements. Geo-accumulation index was estimated.

  6. Library Resource

    Volume 10 Issue 3

    Publication évaluée par des pairs
    mars, 2021
    Hong Kong, États-Unis d'Amérique

    Rural settlements account for 45% of the world’s population and are targeted places for poverty eradication. However, compared to urban footprints, the distribution of rural settlements is not well characterized in most existing land use and land cover maps because of their patchy and scattered organization and relative stability over time. In this study, we proposed a pixel- and object-based method to map rural settlements by employing spectral-texture-temporal information from Landsat and Sentinel time series.

  7. Library Resource

    Volume 10 Issue 3

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

    With the rapid economic growth and urbanisation process, a large amount of cultivated land has been permanently transformed into urban land. The protection of cultivated land has received widespread attention, and ecological compensation has been an effective means of restraining the decrease in cultivated land. Different from previous approaches to and methods of studying cultivated land’s ecological compensation, this study proposes a new behavioural perspective.

  8. Library Resource

    Volume 10 Issue 3

    Publication évaluée par des pairs
    mars, 2021
    Îles Cocos (Keeling), Chine, Royaume-Uni, États-Unis d'Amérique, Saint-Siège

    This research was conducted on an area of inland sands characterised by various degrees of overgrowth by vegetation and soil stabilisation. This landscape’s origin is not natural but is connected to human industrial activities dating from early medieval times, which created a powerful centre for mining and metallurgy. This study aims to identify the changes in the above- and belowground phytomass in the initial stages of succession and their influence on the chemical properties and morphology of the soil.

  9. Library Resource

    Volume 10 Issue 3

    Publication évaluée par des pairs
    mars, 2021
    Chine

    Agricultural land resources have been the central issue for the Chinese government in its attempts to secure food and agricultural sustainability. Yet strict land use control does not protect the agricultural land from erosion by urban expansion. Identifying the specific patterns and mechanisms of the agricultural land conversion, thus, is critical for land management and related decision making.

  10. 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.

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