Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 7070.
  1. Library Resource
    Soils on the global agenda: developing international mechanisms for sustainable land management cover image
    Articles et Livres
    janvier, 2006
    Global

    This report contributes to the aim of the International Union of Soil Sciences to put sustainable land management higher on the global agenda. The report is divided into three distinct sections:Part I discusses the global soils agenda and outlines experiences and strategies for sustainable land management. It also highlights challenges related to implementing this agenda globallyPart II presents summaries of papers on the development of international mechanisms and instruments for sustainable land management (SLM).

  2. Library Resource
    Monitoring land quality : assuring more   sustainable agricultural production systems cover image
    Articles et Livres
    septembre, 1998
    Global

    Identification of Land Quality Indicators (LQIs) is a key requirement of sustainable land management. They are required to assess, monitor, and evaluate changes in the quality of land resources and environmental impacts. The Land Quality Indicator (LQI) program monitors the environment and the sector performance of managed ecosystems. The program is being developed on a national and regional scale, but it is also part of a larger global effort to improve natural resource management. The LQI program recommends addressing issues of land management by agroecological zones.

  3. Library Resource
    Articles et Livres
    janvier, 2008
    Slovénie

    The research of the landscape structure and its changes was carried out in a part of the Horná Orava region. Landscape structure was studied and compared in 2 periods (1958 and 2001). Two types of changes were identified: anthropogenic and succession. Succession processes were spontaneous, anthropogenic-conditioned or successive, which were linked with land use changes, reduction of traditional management of non-forest vegetation (mowing, grazing) and consequent climax succession.

  4. Library Resource
    Articles et Livres
    janvier, 2001
    Égypte, Mozambique, Viet Nam, République arabe syrienne

    Articles in this edition develop several areas and introduce specific experiences relating to land reform. The main thread running through the articles is that of change; how we can help to understand what change means and how it can be managed.

  5. Library Resource
    Articles et Livres
    décembre, 2016
    Serbie

    Important hydrological changes, or generally water resources changes, are being observed in Serbia, as well as in many other parts of the world. Many national and international projects and studies address climate change and its impact on water resources. Some focus solely on the impact of climate change, while others also assess the impact of land use changes and/or changes in human use of water.

  6. Library Resource
    Articles et Livres
    août, 2010

    The article analyses the impact of agricultural trade liberalisation on economic growth as well as on the welfare of rural livelihoods in developing countries through technological transformation in the agricultural sector. The article, based on existing literature, considers the background and reasons for the policy shift in developing economies away from agricultural protection and toward trade liberalisation. It attempts to shed light on the debate over the distributional consequences resulting from trade liberalisation.

  7. Library Resource
    Articles et Livres
    décembre, 2013
    Iran

    Green spaces considered natural remnants in urban environments play a key role in promoting environmental quality and forming a sustainable city. Nowadays, development of urban spaces has taken a hasty growth. In the meanwhile, the natural green spaces are severely damaged. The current study aims at investigating the trend of changes in green space of Tabriz City, the second large industrial city in Iran, on the basis of landscape ecology principles. In order to prepare the land-cover maps, Landsat TM and IRS LISS-III of the years 1989 and 2006 were applied.

  8. Library Resource
    Articles et Livres
    décembre, 2008

    Humans have fundamentally altered global patterns of biodiversity and ecosystem processes. Surprisingly, existing systems for representing these global patterns, including biome classifications, either ignore humans altogether or simplify human influence into, at most, four categories. Here, we present the first characterization of terrestrial biomes based on global patterns of sustained, direct human interaction with ecosystems. Eighteen “anthropogenic biomes” were identified through empirical analysis of global population, land use, and land cover.

  9. Library Resource
    Articles et Livres
    décembre, 2011
    Chine

    Oil exploitation and road development have strongly fragmented the coastal landscapes, leading to profound ecological consequences. The dynamic relationships between oil wells, roads, and landscape fragmentation indices in the Yellow River Delta, China were explored. Oil wells, roads and land cover were mapped from TM images in 1992, 2000, 2006, and 2009, respectively. Changes and relationships were compared among three selected typical sections using linear regression models.

  10. Library Resource
    Articles et Livres
    décembre, 2014

    The frequency and extent of human‐induced land‐cover changes is escalating worldwide. Recurrent turnover of land‐cover types will affect ecosystems over and above major, one‐time changes (eg deforestation). Here, we show how a deeper appreciation of the temporal dynamics of land‐cover change is needed to understand its effects on ecosystems.

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