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Showing items 1 through 9 of 1079.
  1. Library Resource
    Journal Articles & Books
    December, 2013
    Russia

    The farming system at landscapes preserving and restoring soil fertility of agricultural lands have been developed. Typification of lands was made and the types of agricultural landscapes were allocated: plain, hollow-gully, and gully-field. The analysis of the current structure of arable areas was made and resulted in the assessment of structure's influence on the state of soil fertility. The main degradation processes reducing the fertility of south chernozems were studied. There were proposed the ways of creating the sustainable artificial agricultural landscapes.

  2. Library Resource
    Journal Articles & Books
    December, 2013

    Poplars and willows provide society with ecosystem services. These include direct economic benefits such as wood, fibre, fuelwood and other forest products. They also include environmental benefits improving the lives of people, such as through rehabilitation of degraded land, restoration of forest landscapes and mitigation of climate change. All of these services support rural livelihoods, enhance food security, alleviate poverty and contribute to sustainable land use and rural development, particularly in developing countries.

  3. Library Resource
    Journal Articles & Books
    December, 2013
  4. Library Resource
    Journal Articles & Books
    December, 2013
    South Africa, Lesotho, Southern Africa

    It is well known that land-use changes influence the hydrological cycle and that those changes in the hydrological cycle influence land use. The sophisticated spatial dynamic planning tools that have been developed in the last decades to support policy makers in the decision making process do not take into account the mutual feedbacks between land use and hydrology.

  5. Library Resource
    Journal Articles & Books
    December, 2013
    Ghana

    The demand for rice (Oryza sativa) in Ghana is increasing at a rate of 11.8% from 939, 920 t in 2010. Though there has been some increase in production it does not match the increase in consumption. This study seeks to determine the most suitable areas for inland valley rice cultivation using computer based models for selected sites (15km by 15km) in the Brong Ahafo Region (BAR) and Western Region (WR) of Ghana. A sensitivity analysis was carried out by excluding the least contributing parameters and varying their weights to determine highly suitable areas.

  6. Library Resource
    Journal Articles & Books
    October, 2013
    Hungary, Laos, Europe, Asia

    Worldwide, only a few 'fatty' pig breeds exist with different and/or regional utilization. Using the Hungarian Mangalica, which almost went extinct in Europe and the Lao Moo Lat pig, which still has a large population in South-East Asia as exemples, we wanted to demonstrate that indigenous (fatty) pig breeds may represent both national value and tremendous economic potential. Since these less prolific and less productive breeds cannot contribute to mass production, new market roles and methods should be established for them in the premium segment of pork trading.

  7. Library Resource
    Journal Articles & Books
    December, 2013

    We study two option values in the developable land market in a French department (Nord): the classical option value relating to the short-run volatility of the land price and a long-run option value resulting from uncertainty about demographic change. The findings show that both are significant. First, the land price increases by 7.4–15.3% when the standard deviation (STD) of the land price rises by a STD. Second, an increase of one STD in the STD of the variation in population between 1982 and 1999 entails a 6% increase in the developable land price.

  8. Library Resource
    Journal Articles & Books
    December, 2013

    Life Cycle Assessment (LCA) is a robust tool often used for eco-design. It allows the assessment of environmental impacts, at a global scale, accounting for all stage of a product life cycle, “from cradle to grave”. There is a methodological gap in this method to account for occupation and transformation impacts in marine ecosystems due to human activities. The task accomplished during this PhD is the development of a methodological framework for a new impact category in LCA to overcome this lack: the sea use. The general framework for sea use had to be defined.

  9. Library Resource
    Journal Articles & Books
    December, 2013
    Guatemala, Honduras, Central America

    The presence of trees in the farms is typically considered a good practice in water shed  management. Therefore, it was examined the voluntary adoption of land uses considered more compatible with the water ecosystem service (shade coffee and woodland) in the region of Trifinio (located in Honduras and Guatemala), where there is not given any incentives or payment for this environmental service. It was observed low adoption of these land uses on small farms.

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