Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 13.
  1. Library Resource
    Documents et rapports de conférence
    décembre, 2017
    Asie occidentale, Jordanie

    This report was produced in the frame of the Project titled “Sustainability and Operationalization of Established Regional Agricultural Research Centers in Five Arab Countries”, funded by the Arab Fund for Economic & Social Development and implemented by ICARDA.

  2. Library Resource
    Documents et rapports de conférence
    octobre, 2017
    Afghanistan, Émirats arabes unis, Égypte, Éthiopie, Inde, Iran, Iraq, Jordanie, Liban, Maroc, Oman, Pakistan, Soudan, République arabe syrienne, Tunisie, Turquie, Ouzbékistan, Yémen, Afrique orientale, Afrique septentrionale, Asie méridionale, Asie central, Asie occidentale

    To help break the cycle of poverty, improve food and nutritional security, halt or reverse the alarming process of resource degradation in the dry areas, and help communities adapt to the impacts of climate variability and change, ICARDA’s Strategic Plan 2017-2026 outlines our research and organizational approach for action to achieve our vision of thriving and resilient communities in the dry areas of the developing world.

  3. Library Resource
    Documents et rapports de conférence
    décembre, 2015
    Asie occidentale, Jordanie

    Jordanian rangelands are a source of valued livestock produce, carbon storage, biodiversity, and medicinal plants. They also serve as watersheds that receive rainfall, yield surface water, and replenish groundwater throughout the area east and south of the western Jordan highlands. Appropriate land management, which is currently lacking, can protect and maximize these services for society. With the acceleration of desertification, land degradation and drought during the twenty-first century in the arid and semi-arid regions of Jordan, these services are becoming jeopardized.

  4. Library Resource
    Documents et rapports de conférence
    mars, 2015
    Asie occidentale, Jordanie

    The University of Tennessee’s Dept. of Geography in collaboration with ICARDA, ILRI, USDA-ARS, and Cornell University’s Dept. of Natural Resources collected TLS data in the cold desert shrub-steppe ecosystem of the East Bank Plateau of Amman, Jordan and in mixed Acacia-Commiphora woodlands of Borana Plateau in southern Ethiopia. ICARDA and ILRI maintain these research sites and conduct field studies in Jordan and Ethiopia, respectively. The study plots are the size of a Landsat pixel (30-m X 30-m) to link local scale TLS to regional scale satellite imagery.

  5. Library Resource
    Documents et rapports de conférence
    juillet, 2013
    Asie occidentale, Jordanie

    Water scarcity and land degradation are widespread problems that affect agricultural productivity, food security and environmental quality in several parts of the world, particularly in the dry areas. Sustainable management of soil and water is necessary to optimize the use of limited rainwater for crop production and to decrease soil erosion. One management option is utilizing rainfall more efficiently through water harvesting. In arid areas, different types of water harvesting techniques (WHT) are being developed by

  6. Library Resource
    Documents et rapports de conférence
    mars, 2016
    Asie occidentale, Jordanie

    The main objective of this study is to introduce the first consistent long ­term land cover database for Jordan. The Jordan National Land Cover Database (JNLCD) consists of four land cover maps for the years 1984, 1991, 1998, and 2014 that were developed at 30m resolution using a total of 11 Landsat TM/OLI satellite scenes. We primarily applied ISO DATA classification method and rule ­based method for refining misclassified classes. The overall accuracy achieved for the 1984 land cover map was 88% and for the 2014 land cover map was 93%.

  7. Library Resource
    Documents et rapports de conférence
    février, 2016
    Jordanie, Asie occidentale

    The management and rehabilitation of degraded rangelands are inherently complex in south
    Mediterranean where state and tribal owned pastures are grazed commonly by the agro-pastoralists. The
    prospect for increased degradation primarily caused by overgrazing and recurrent droughts is currently at
    alarming levels. Reversing the negative trends primarily requires insightful management practices,
    institutional and policy support, and ultimately sound governance. Historically, the emphasis on rangeland

  8. Library Resource
    Documents et rapports de conférence
    décembre, 2017
    Jordanie, Asie occidentale

    This research activity titled “ACTIVITY A6: DEVELOP METHODS FOR INTEGRATED ASSESSMENT OF RESTORATION INTERVENTIONS (IMPACT ON SOIL AND ECOSYSTEM FUNCTIONS) AT BADIA SCALE AND AT EXPERIMENTAL SITE SCALE” was funded as part of the Project titled “Sustainability and Operationalization of Established Regional Agricultural Research Centers in Five Arab Countries” (sub-project “Restoration of Badia ecosystem services for enhanced community livelihood”), granted by the Arab Fund for Economic & Social Development (AFESD) and implemented by ICARDA.

  9. Library Resource
    Documents et rapports de conférence
    avril, 2016
    Jordanie, Asie occidentale

    Rangelands are the mainstay of pastoral livelihoods worldwide. Within rangelands, there are landscape depressions or lowlands characterized by high production potentials with their unique edaphic and hydrologic properties. The purpose of this ongoing research is to evaluate the effect of grazing exclusion on the vegetation characteristics and plant community structure in the arid lowland pastoral ecosystems. Plots were randomly identified within two distinct lowlands in Majidya and Sabha, in the Jordanian Badia.

  10. Library Resource
    Documents et rapports de conférence
    juin, 2017
    Asie occidentale, Jordanie

    Jordan’s rangelands, the so called Badia, home of the Bedouins, are threatened through a combination of
    over-exploitation of the ecosystem services and a changing climate towards drier seasons and highly
    erratic rainfalls. In the recent decades, the once productive grazing lands transformed into sparsely
    vegetated and crusted desert grounds not capable of retaining the sporadic rainwater within the landscape
    - and consequentialsurface runoff inevitably acceleratessoil erosion and gullying. To counter-measure the

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