Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 39.
  1. Library Resource
    Land Use and Land Tenure in Mongolia: A Brief History and Current Issues
    Documents et rapports de conférence
    janvier, 2006
    Mongolie

    This essay argues that an awareness of the historical relation- ships among land use, land tenure, and the political economy of Mongolia is essential to understanding current pastoral land use patterns and policies in Mongolia. Although pastoral land use patterns have altered over time in response to the changing political economy, mobility and flexibility remain hallmarks of sustainable grazing in this harsh and variable climate, as do the communal use and management of pasturelands.

  2. Library Resource
    Articles et Livres
    décembre, 2005

    This paper examines the relationships between cultivation, livestock grazing and land degradation in Adamawa State. The main objective was to identify areas with major symptoms of degradation, such as rills and gullies, and determine the main causal factor(s), whether cultivation or grazing. Thus, areas of varying intensity of cultivation and livestock grazing were delineated and detailed field investigations for evidence of degradation carried out.

  3. Library Resource
    Documents et rapports de conférence
    décembre, 2005
    Espagne

    The natural regeneration in the dehesa has been object of numerous studies, due to the ecologic and economic importance of such ecosystems. In this work is exposed a test of acorns germination of Quercus ilex L. subsp. ballota (Desf.) Samp, in the North of Córdoba (Spain), under three environmental conditions corresponding to the most traditional land uses of the dehesa: grazing, cereal sowing and fallow, each one with a different vegetal cover. A fourth group of acorns was placed in a tree nursery under controlled conditions.

  4. Library Resource
    Articles et Livres
    décembre, 2005
    Grèce

    Traditionally, management of rangelands is based on the successional theory for vegetation developed by Clements. This approach, which came to be known as “the range succession model”, assumes a progressive change of vegetation towards the final (climax) stage and considers grazing as a primary driver of its dynamics. This model cannot be applied in Mediterranean rangelands, however, because they are largely modified plant communities and their final stage is usually a forest or dense woodland.

  5. Library Resource
    Documents et rapports de conférence
    décembre, 2005
    Espagne

    The mountain farmers operate on whole of animals (flocks, herds, working herds) copying models coming surely from the beginning of domestication. The apprenticeship lengthwise of centuries was received as a heritage and they will to enrich through every generational change. Furthermore, in mountain difficulties the commerce do not rise a regulative capacity as on the plains or well communicated regions and therefore the efficiency way is nearly indispensable.

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