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Showing items 1 through 9 of 181.
  1. Library Resource
    Journal Articles & Books
    August, 2018

    Representation of land-use and hydrologic interactions in respective models has traditionally been problematic. The use of static land-use in most hydrologic models or that of the use of simple hydrologic proxies in land-use change models call for more integrated approaches. The objective of this study is to assess whether dynamic feedback between land-use change and hydrology can (1) improve model performances, and/or (2) produce a more realistic quantification of ecosystem services. To test this, we coupled a land-use change model and a hydrologic mode.

  2. Library Resource
    Journal Articles & Books
    August, 2018

    Representation of land-use and hydrologic interactions in respective models has traditionally been problematic. The use of static land-use in most hydrologic models or that of the use of simple hydrologic proxies in land-use change models call for more integrated approaches. The objective of this study is to assess whether dynamic feedback between land-use change and hydrology can (1) improve model performances, and/or (2) produce a more realistic quantification of ecosystem services. To test this, we coupled a land-use change model and a hydrologic mode.

  3. Library Resource
    Reports & Research
    December, 2016
    Ethiopia

    Sustainable participatory watershed management is an approach promoted by the Ethiopian government to restore natural resources and agricultural productivity across the country. This comparative study between six watershed programs shows that this approach increases farmers’ food security and incomes (around 50% on average), as well as their resilience to drought and other climate shocks. However, the study also confirms that the nature and scale of impact can vary significantly between watershed programs.

  4. Library Resource
    Climate Change, Land and Resource Governance, and Violent Extremism: Spotlight on the African Sahel
    Reports & Research
    May, 2019
    Algeria, Sudan, Western Sahara, Eritrea, Ethiopia, South Sudan, Cameroon, Central African Republic, Chad, Burkina Faso, Mali, Mauritania, Niger, Nigeria, Senegal

    Tetra Tech’s land tenure and property rights experts examine how weak land and resource governance can fuel drivers of violent extremism. With a focus on the African Sahel, this new issue brief finds this dynamic is especially prevalent when land and resource governance challenges are coupled with environmental disruptions, resource scarcity, or migration.

  5. Library Resource
    Journal Articles & Books
    December, 2016
    Greece

    In semi-arid areas of the Mediterranean basin, sheep and goat herding has been a land management activity for millennia. In the last decades, intensification of grazing has resulted in grazing land degradation. Today, many sheep farms face growing dependence from feed to cover the dietary needs of animals, as grazing land productivity covers only a fraction of these needs and decreasing economic outputs. In this paper, we present a conceptual framework for linking grazing lands management practices and economic viability of sheep farms in Agra, a village in Western Lesvos.

  6. Library Resource
    Journal Articles & Books
    April, 2016

    The objectives of this study were to evaluate the environmental and economic impacts of year-round-grazing systems and a conventional housing system for Japanese Brown fattening steers by the life cycle assessment (LCA) method. Four treatments were designed in this study; grazing fattening without feed rice (G group), grazing fattening with feed rice (GR-1 and GR-2 groups) and conventional housing fattening (H group). For the three grazing groups (G, GR-1, GR-2), supplemental concentrate was constantly supplied and hay was supplied only in winter.

  7. Library Resource
    Journal Articles & Books
    December, 2010

    To date, scientific literature provided a vast amount of studies on Ecosystem Services (ES) underpinning their benefits to human well-being. Livestock grazing systems occupy a vast area of the terrestrial surface and are essential to the livelihood especially for vulnerable communities. Grazinglands are able to provide a wide array of ES depending on management practices and intensity. In this perspective and according to the Millennium Ecosystem Assessment (MA) framework, the paper reviews the methods and the approaches used in the analysis of the main ES provided by grazing systems.

  8. Library Resource
    Conference Papers & Reports
    December, 2018
    Latvia, Italy

    There are many methods to estimate wild ungulate populations. One of these is represented by observations from vantage points usually employed in medium-low covered forest areas to estimate cervids. This method is subject to some limitations, such as the risk of double counting and the necessity to a high number of operators due to the small size of the observable areas. Such limitations could be reduced by integrating the “vantage points method” with Remote Piloted Aircraft System (R.P.A.S.) surveys.

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