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Showing items 1 through 9 of 68.
  1. Library Resource
    Journal Articles & Books
    September, 2012
    Jordan, Western Asia

    The dry rangelands of West Asia and North Africa are fragile and severely degraded due to low rainfall and mismanagement of natural resources. Rainwater harvesting (RWH) interventions are used to increase soil moisture content, vegetation cover, and productivity. However, adoption of rainwater harvesting by communities is slow. To understand adoption constraints and to develop options for sustainable integration of rainwater harvesting, a benchmark watershed was established in the dry rangelands of Jordan.

  2. Library Resource
    Journal Articles & Books
    January, 2017
    Egypt, Northern Africa

    Egypt, where the mean temperature is expected to increase by 1−1.5°C over the next two decades, is particularly concerned with climate change in the Medi- terranean. Most of the research works on adaptive animal traits have focused on sheep and goats in non-irrigated areas, with little interest in livestock systems in irrigated areas. However, meat and dairy products in Egypt are mainly sup- plied by large ruminants − cattle and buffaloes.

  3. Library Resource
    Journal Articles & Books
    March, 2011
    Jordan, Western Asia

    The shortage of water in arid zones represents the most serious obstacle to poverty reduction because it limits the extent to which poor producers of crops and livestock can take advantage of opportunities arising from emerging markets, trade, and globalization. Water shortage in arid zones limits the variety and quantity of crop and livestock products a smallholder can produce, thus narrowing their range of options.

  4. Library Resource
    Journal Articles & Books
    January, 2011
    Syrian Arab Republic, Western Asia

    Agriculture in Syria depends on a wide base of varied natural resources extending over five agro-ecological zones differing in total precipitation, soil structure, and water resources such as rivers, springs, dams, and groundwater which supplies water for about 851,000 ha (61% of the total irrigated areas). However, precipitation is considered as the main source of the water needed to establish the widespread rainfed system of agriculture, which occupies 70% of the cultivated area in Syria.

  5. Library Resource
    Journal Articles & Books
    May, 2019
    Northern Africa, Tunisia

    Tunisia, like many other countries, suffers from land degradation. Conservation agriculture is among the proper solutions to overcome this issue. The objective of our investigation is to determine the factors that influence the adoption of CA in Siliana, one of Tunisia’s most affected regions by erosion. A field survey was conducted to collect adoption data used for descriptive analysis, and for the estimation of a choice model (Logit).

  6. Library Resource
    Journal Articles & Books
    April, 2017
    China, Eastern Asia

    Context: Recent conceptual developments in ecosystem services research have revealed the need to elucidate the complex and unintended relationships between humans and the environment if we are to better understand and manage ecosystem services in practice.

    Objectives: This study aimed to develop a model that spatially represents a complex human–environment (H–E) system consisting of heterogeneous social–ecological components and feedback mechanisms at multiple scales, in order to assess multi-dimensional (spatial, temporal, and social) trade-offs in ecosystem services.

  7. Library Resource

    Assessing land restoration potential in semi-arid lands of Kenya

    Journal Articles & Books
    October, 2018
    Eastern Africa, Kenya

    Drylands cover over 40% of the earth's surface and support over 2 billion people, globally (Millennium Ecosystem Assessment, 2005). In East Africa alone, over 250 million people depend on drylands for their livelihoods (De Leeuw et al., 2014) and in Kenya, 70% of the total land area is classified as arid- and semi-arid (Batjes, 2004). Over the last several decades, an increasing and more sedentary human population has resulted in more pressure on these lands, and an expansion of agricultural production into marginal dryland areas that were traditionally rangelands.

  8. Library Resource
    Journal Articles & Books
    December, 2013
    Kenya, United States of America, Eastern Africa, Northern America

    Biodiversity in rangelands is decreasing, due to intense utilization
    for livestock production and conversion of rangeland into cropland;
    yet the outlook of rangeland biodiversity has not been
    considered in view of future global demand for food. Here we
    assess the impact of future livestock production on the global
    rangelands area and their biodiversity. First we formalized existing
    knowledge about livestock grazing impacts on biodiversity,
    expressed in mean species abundance (MSA) of the original

  9. Library Resource
    Journal Articles & Books
    August, 2016
    Central Asia, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan

    Land degradation affects negatively the livelihoods and food security of
    global population. There have been recurring efforts by the international community
    to identify the global extent and severity of land degradation. Using the long-term
    trend of biomass productivity as a proxy of land degradation at global scale, we
    identify the degradation hotspots in the world across major land cover types. We
    correct factors confounding the relationship between the remotely sensed vegetation

  10. Library Resource
    Journal Articles & Books
    January, 2014
    Northern Africa, Tunisia

    Land degradation occurs in all continents and affects the livelihoods of millions of people, including a large proportion of
    the poor in the drylands. Opuntiaficus-indica (L.) Mill. is a xerophytic cactus species, widely cultivated in arid and semi-arid regions
    worldwide. As most of species of the Cactacee family, 0. fiCUS-indica exhibits Crassulacean Acid Metabolism (CAM), with
    nocturnal stomata opening and C02 uptake occurring, typically, from dusk to dawn. Many reasons may account for the great interest

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