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Showing items 1 through 9 of 357.
  1. Library Resource
    Journal Articles & Books
    December, 2012
    Finland

    Increasing dissolved organic carbon (DOC) concentrations in lakes, rivers and streams in northern mid latitudes have been widely reported during the last two decades, but relatively few studies have dealt with trends in DOC export. We studied the export of DOC from Finnish rivers to the Baltic Sea between 1975 and 2010, and estimated trends in DOC fluxes (both flow normalised and non-normalised). The study encompassed the whole Finnish Baltic Sea catchment area (301,000km²) covering major land use patterns in the boreal zone.

  2. Library Resource
    Journal Articles & Books
    December, 2012
    Norway

    The landscape of many historic cities and the character of their shallow subsurface environments are defined by a legacy of interaction between anthropogenic and geological processes. Anthropogenic deposits and excavations result from processes ranging from archaeological activities to modern urban development. Hence, in heritage cities, any geological investigation should acknowledge the role of past and ongoing human activities, while any archaeological investigation should be conducted with geological processes in mind.

  3. Library Resource
    Journal Articles & Books
    December, 2012

    In this research report, we examine determinants of absentee landowner participation in USDA set-aside and cost share programs. Previous research on these landowners suggests they have a high interest in conservation yet minimal involvement in government conservation programs on their land (e.g. Petrzelka et al., 2009; Roggenbuck and Kushman, 1980). Our aim is to better understand this gap in hopes of attracting absentee landowners as participants to USDA conservation programs.

  4. Library Resource
    Journal Articles & Books
    December, 2012

    In light of impending water and arable land shortages, population growth and climate change, it is more important than ever to examine how forest tree domestication can be accelerated to sustainably meet future demands for wood, biomass, paper, fuel and biomaterials. Because of long breeding cycles, tree domestication cannot be rapidly achieved through traditional genetic improvement methods alone. Integrating modern genetic and genomic techniques with conventional breeding will expedite tree domestication.

  5. Library Resource
    Journal Articles & Books
    December, 2012

    In light of impending water and arable land shortages, population growth and climate change, it is more important than ever to examine how forest tree domestication can be accelerated to sustainably meet future demands for wood, biomass, paper, fuel and biomaterials. Because of long breeding cycles, tree domestication cannot be rapidly achieved through traditional genetic improvement methods alone. Integrating modern genetic and genomic techniques with conventional breeding will expedite tree domestication.

  6. Library Resource
    Journal Articles & Books
    December, 2012
    Australia

    For 25 years the Australian Landcare program has encouraged rural land managers to work cooperatively to resolve natural resource management issues across the nation. Landcare has spread and the model is used internationally. Despite its successes, Landcare has come under criticism for not sufficiently directing land management practices towards environmental sustainability. This criticism sees it as having maintained the “status quo”.

  7. Library Resource
    Journal Articles & Books
    December, 2012

    Employing rangelands for climate change mitigation is hindered by conflicting reports on the direction and magnitude of change in soil organic carbon (ΔSOC) following changes in woody cover. Publications on woody thickening and deforestation, which had led to uncertainty in ΔSOC, were re-evaluated, and the dimensional-dependence of their data was determined. To model the fundamentals of SOC flux, linked SOC pools were simulated with first-order kinetics. Influences from forest development timelines and location of mature trees, with a potential for deep-set roots, were considered.

  8. Library Resource
    Journal Articles & Books
    December, 2012
    Oceania, Northern America

    The spatio-temporal distribution of land cover provides fundamental data for global climate and environmental change research. In recent decades, five global land cover maps have been produced based on remote sensing data sources and methodologies. Related research have shown that the availability and quality of the first four global land cover datasets are poor at the regional or the continental scale for a variety of reasons. There is still no consensus on the accuracy of the latest global land cover map.

  9. Library Resource
    Journal Articles & Books
    December, 2012
    United States of America

    There is a growing need to site new power generating plants that use cleaner energy sources due to increased regulations on air and water pollution and a sociopolitical desire to develop more clean energy sources. To assist utility and energy companies as well as policy-makers in evaluating potential areas for siting new plants in the contiguous United States, an adaptation of a geographic information system (GIS)-based multicriteria decision analysis approach is presented in this paper.

  10. Library Resource
    Journal Articles & Books
    December, 2012
    Poland, Netherlands, Belgium

    The paper aims to position the concept of adaptive efficiency in planning theory, by providing insights on the conditions that explain why land use planning in some institutional contexts is able to adapt and improve more efficiently than in others. This is done by focusing on a specific planning goal: the control of residential sprawl. The paper presents a theoretical framework based on two models, one on the coordinating mechanisms regarding the use of land and one to explain institutional changes.

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