Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 43.
  1. Library Resource

    Sustainability

    Publication évaluée par des pairs
    janvier, 2010
    Chine, Cambodge, Allemagne

    Land conversion is often not carried out in a sustainable way. The loss of arable land and biodiversity, concern about food security and rising costs of infrastructure due to urban sprawl are just some of the problems under discussion. This paper compares Germany, China and Cambodia.

  2. Library Resource
    Articles et Livres
    avril, 2010
    Chine

    Based on the climatic data and other statistics of climatic data of 54 meteorological stations from 1956 to 2005 in Liangning Province, the annual and seasonal light, heat and water and the like major elements of climatic resources are diagnosed and analyzed by using the method of linear climate trend rate. The results show that warming trend is 0.25℃/10a , the precipitation decrease gradually by 2.2mm/a and the decreasing trend of solar radiation and hours of sunshine is not dramatic.

  3. Library Resource
    Articles et Livres
    décembre, 2010
    Chine

    Based on the judicial explanation of the contractual management right of land, the thesis elaborates the definition of main body of contractual management right of rural land; right of possession, use right, usufruct of contractual management right of land; autonomy of production and operation; disposition of the products; expropriation and occupation compensation authority of contractual land respectively, in order to demonstrate the connotation of land contractual management.

  4. Library Resource
    Articles et Livres
    décembre, 2010
    Chine

    The paper describes the land use situation in the project area from two aspects. Firstly, natural situation (landscape, temperature, soil hydrology, natural disaster); secondly, land use situation (land use structure, project construction scale, land area of different vegetation classes).

  5. Library Resource
    Articles et Livres
    novembre, 2010
    Chine

    The grey forecast and the sustainable use evaluation are conducted on the data of farmland resources from 2010 to 2020 in Pingingshan City by using the area of farmland land from 1999 to 2010 and by applying the gray forecast and land pressure system. The results show that from 2010 to 2020 the quantity of farmland resources maintains balance; the minimum per capita farmland in Pingdinshan stays around the lower limit of per capita amount of farmland in China; the pressure of farmland is rather huge and the farmland protection is not so optimistic.

  6. Library Resource
    Articles et Livres
    septembre, 2010
    Chine

    In order to objectively and reasonably evaluate the actual and potential value of cultivated land, both social and ecological values are introduced into the classification and grading index system of cultivated land based on the viewpoint of sustainable development, after considering the natural and economic values of cultivated land. Index system construction of the sustainable utilization of cultivated land should follow the principles of economic viability, social acceptability, and ecological protection.

  7. Library Resource
    Articles et Livres
    juillet, 2010
    Chine

    Taking Daxing District, Beijing, China as a example, benefit evaluation index system of small-town land comprehensive consolidation is established from four aspects of resource benefit, economic benefit, social benefit and ecological benefit. Weight of evaluation index is determined by analytic hierarchy process. After the standardized treatment on the original value index, comprehensive index method is adopted to evaluate the land comprehensive consolidation benefits in 14 towns of Daxing District in the year 2005, combining with the index weight determined by analytic hierarchy process.

  8. Library Resource
    Articles et Livres
    août, 2010
    Chine, Asie

    Poyang Lake is the largest freshwater lake in China covering 3800 km2 during the summer wet season. It drains into the Changjiang (Yangtze River) at its northern end through a narrow outlet. During the last half of the twentieth century (1949–1999) average annual maximum stage and number of severe flood events in China's Poyang Lake region increased significantly. There are two primary causes for this trend. One was increasing Changjiang stage, which is the most important determinant of Poyang Lake stage.

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