Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 3343.
  1. Library Resource
    Articles et Livres
    décembre, 2015
    Global

    In a world grappling with the challenges of food insecurity, climate change, landscape degradation, and rural poverty, regreening offers a path forward, especially in dryland areas. The transformation of degraded landscapes—restoring productivity and increasing resilience through the widespread adoption of agroforestry and sustainable land management practices—can deliver food, climate, and livelihood benefits.
    Table of contents:
    Part I. Introduction
    Part II. How and Where is Regreening Happening?
    Part III. The Impacts Of Regreening

  2. Library Resource
    Articles et Livres
    décembre, 2016
    Argentine, Burkina Faso, République centrafricaine, Chine, Cameroun, Algérie, Érythrée, Éthiopie, Mali, Mauritanie, Niger, Nigéria, Soudan, Sénégal, Soudan du Sud, Tchad, Asie central

    It took scientists more than three decades to transform a perceived desertification crisis in the Sahel into a non-event. Looking beyond the Sahel, the chapters in this book provide case studies from around the world that examine the use and relevance of the desertification concept.

  3. Library Resource
    Articles et Livres
    décembre, 2020
    Global

    Most commonly in drylands the salinity levels are always high and evenly dispersed due to this salinity levels the plant cultivated are usually tremendously affected. Normal plants cannot grow in soils with high salinity levels. In this book the authors would like to analyze the effects of human acticities on the salinity lebvels in drylands.

  4. Library Resource
    Articles et Livres
    décembre, 2008
    Global

    Change in land management practices and governmental policies is urgently needed to reverse the continuing decline of marginal drylands. Marginal drylands are fragile ecosystems that sustain the livelihoods of millions of poor people in developing countries. However, their capacity to provide these services is continuously declining due to desertification, resulting in dwindling land productivity, and affecting human well-being and development opportunities in many marginal drylands.

  5. Library Resource
    Articles et Livres
    décembre, 2001
    Global

    Desertification occurs in drylands,which span a third of the earth ’s land surface in over 110 countries.It influences the lives of about 500 000 people – the so-called environmental refugees –including many of the world ’s poorest and most marginalized populations. Each year 12 million hectares (ha)are lost to deserts.That is enough land to grow 20 million tonnes of grain.

  6. Library Resource
    Articles et Livres
    décembre, 2012
    Afrique

    Significant progress has been made over the past decade or so in the development of policy and legislation that support the recognition of customary rights to land, with important legal rulings in Tanzania, Uganda, Mozambique, South Sudan, and South Africa. At the same time, the strengthening of communities’ traditional rights to use resources has progressed through community forest reserves and community conservation areas.

  7. Library Resource
    Articles et Livres
    décembre, 2018

    As the applications of Earth system models (ESMs) move from general climate projections toward questions of mitigation and adaptation, the inclusion of land management practices in these models becomes crucial. We carried out a survey among modeling groups to show an evolution from models able only to deal with land-cover change to more sophisticated approaches that allow also for the partial integration of land management changes. For the longer term a comprehensive land management representation can be anticipated for all major models.

  8. Library Resource
    avril, 2018

    As the applications of Earth system models (ESMs) move from general climate projections toward questions of mitigation and adaptation, the inclusion of land management practices in these models becomes crucial. We carried out a survey among modeling groups to show an evolution from models able only to deal with land-cover change to more sophisticated approaches that allow also for the partial integration of land management changes. For the longer term a comprehensive land management representation can be anticipated for all major models.

  9. Library Resource
    Articles et Livres
    juin, 2020
    Irlande

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