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Showing items 1 through 9 of 155.
  1. Library Resource
    Journal Articles & Books
    December, 2013
    Africa, Asia

    By the year 2050, agriculture will have to provide the food and nutrition requirements of some 9 billion people. Moreover, to maintain that level of productivity indefinitely it must do so using environmentally sustainable production systems. This task will be profoundly complicated by the effects of climate change, increasing competition for water resources and loss of productive lands.

  2. Library Resource
    Journal Articles & Books
    December, 2011
    Ethiopia

    This paper analyses the land use/cover dynamics of land degradation through the interpretation of aerial photographs (1958 and 1980) and 2006 SPOT-5 satellite image of the Gerado catchment. Other, non-visual data were gathered from personal interview and focus group discussions conducted in 2010 and 2011 with local elders, farmers and development (agricultural extension) agents. The results identified the presence of cultivated and rural settlement land, shrubland, woodland, bare land, grassland, urban built up area and forest.

  3. Library Resource
    Journal Articles & Books
    December, 2014
    Algeria, Libya, Egypt, Western Asia, Northern Africa

    The Mediterranean region covers about 854 million ha, but only 118 million (or 14 per cent) are suitable for agricultural production. In North Africa and the Middle East (MENA), agricultural land covers about 5 per cent; in Egypt and Algeria, it occupies less than 4 per cent and, in Libya, less than 2 per cent of the total national land area. Across the Mediterranean region land use divides between natural pastures/rangelands (ca. 15 per cent), forests and woodlands (ca. 8 per cent), with the ca.

  4. Library Resource
    Journal Articles & Books
    December, 2014

    Fisheries systems are widely considered to be ‘in crisis’ in both economic and ecological terms, a considerable concern given their global significance to food security, international trade and employment. The most common explanation for the crisis suggests that it is caused by weak and illiberal property regimes. It follows that correcting the crisis involves the creation of private property rights that will restore equilibrium between the profitable, productive function of fishing firms and fish stocks in order to maximize ‘rent’.

  5. Library Resource
    Journal Articles & Books
    December, 2011
    India

    Land-use information is required for a number of purposes such as to address food security issues, to ensure the sustainable use of natural resources and to support decisions regarding food trade and crop insurance. Suitable land-use maps often either do not exist or are not readily available. This article presents a novel method to compile spatial and temporal land-use data sets using multi-temporal remote sensing in combination with existing data sources.

  6. Library Resource
    Journal Articles & Books
    December, 2011

    Fossil fuel resources are decreasing daily. As a renewable energy, biodiesel has been receiving increasing attention because of the relevance it gains from the rising petroleum price and its environmental advantages. This review highlights some of the perspectives for the biodiesel industry to thrive as an alternative fuel, while discussing opportunities and challenges of biodiesel. This review is divided in three parts. First overview is given on developments of biodiesel in past and present, especially for the different feedstocks and the conversion technologies of biodiesel industry.

  7. Library Resource
    Journal Articles & Books
    December, 2014
    China, Norway

    Efficient plant nutrition and good agronomical practices are essential to meet future challenges in agriculture, while high land productivity is an obvious measure to integrate food security and environment protection. However, nutrient management in agriculture, including fertilizer applications and issues linked to nutrient losses, are highly complex due to multidimensional variability. Thus, robust systems of measurements and documentation, including planning, are required in order to support decision-making.

  8. Library Resource
    Journal Articles & Books
    December, 2013
    China

    The northeastern China is an important commodity grain region in China, as well as a notable corn belt and major soybean producing area. It thus plays a significant role in the national food security system. However, large-scale land reclamation and non-optimum farming practices give rise to soil degradation in the region. This study analyzed the food security issues coupled with global climate change in the northeastern China during 1980–2000, which is the period of modern agriculture.

  9. Library Resource
    Journal Articles & Books
    December, 2014

    The failures of food security and other policies to guarantee the right to food motivate the calls for the radical reforms to the food system called for by food sovereignty. Food sovereignty narratives identify neoliberal state policies and global capital as the source of the food insecurity, and seek new rights for producers and consumers. However, the nature of territorial state power and the juridical structures of the (neo)liberal state may mute the more radical aims of food sovereignty.

  10. Library Resource
    Journal Articles & Books
    December, 2014
    China, Global

    Global land use structure is changing rapidly due to unceasing population growth and accelerated urbanization, which leads to fierce competition between the rigid demand for built-up area and the protection of cultivated land, forest, and grassland. It has been a great challenge to realize the sustainable development of land resources.

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