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Sökning: WFRF:(Räty Riitta)

  • Resultat 1-3 av 3
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1.
  • Räty, Riitta, 1970- (författare)
  • Fine Structure and semi ordered structures : Extended energy loss fine structure investigations of semi ordered materials
  • 1998
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • This thesis is based on structure determinations of solid materials with Extended energy loss fine structure (EXELFS) analysis. In this method the ionisation edges of a material recorded in an electron microscope are studied. The focus is on different hard materials. The materials and their properties as well as the methodology of electron energy loss spectroscopy (EELS) and EXELFS analysis is discussed. Analysis of a hard and elastic carbon nitride thin film and magnesium silicate aluminium precipitates have been performed. The possibilities and limitations of the method have been investigated in two works. The effect of curved carbon structures, like fullerenes, on the results has been simulated and evaluated. In the second work the possibility to determine the coordination numbers with EXELFS has been investigated. Finally theoretical simulations of the near edge of the carbon 1s ionisation edge has been simulated to explore the possibility of thus determining the position of the carbon atom in a hexagonal BN lattice.
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2.
  • Sandström, Camilla, Professor, 1967-, et al. (författare)
  • Policy goals and instruments for achieving a desirable future forest : Experiences from backcasting with stakeholders in Sweden
  • 2020
  • Ingår i: Forest Policy and Economics. - : Elsevier. - 1389-9341 .- 1872-7050. ; 111
  • Tidskriftsartikel (refereegranskat)abstract
    • The future of forests is a controversial issue in Sweden and elsewhere. Different stakeholder groups differ in the importance they give to roles they envision forests should have in, for example, the national economy, the protection of biodiversity and sustainable use of ecosystem services, and in mitigating climate change. We used participatory backcasting, a solution-oriented form of scenario analysis, as a method to identify stakeholders' various views as to what constitutes a desirable future forest in Sweden. By involving key stakeholders, we wanted to explore how to broaden the scope of potential solutions to the controversial issue of forest futures by analyzing goals, measures and policy instruments in order to form a bridge between stakeholders' policy objectives, and the instruments and support tools they would like to use to implement those policies. Preferences for particular policy instruments varied considerably among the stakeholder groups. In line with the literature, our study confirms that policy instruments are not mere empty vessels, but represent particular policy ideas, objectives and outlooks, and can show how stakeholders want forests to be governed in the future.
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3.
  • Sandström, Camilla, et al. (författare)
  • Understanding consistencies and gaps between desired forest futures : An analysis of visions from stakeholder groups in Sweden
  • 2016
  • Ingår i: Ambio. - : Springer Science and Business Media LLC. - 0044-7447 .- 1654-7209. ; 45, s. S100-S108
  • Tidskriftsartikel (refereegranskat)abstract
    • Conflicting perspectives on forests has for a long time challenged forest policy development in Sweden. Disagreements about forest futures create intractable deadlocks when stakeholders talk past each other. The purpose of this study is to move beyond this situation through the application of participatory backcasting. By comparing visions of the future forest among stakeholder groups, we highlight contemporary trajectories and identify changes that were conceived as desirable. We worked with four groups: the Biomass and Bioenergy group, the Conservation group, the Sami Livelihood group and the Recreation and Rural Development group; in total representatives from 40 organizations participated in workshops articulating the groups' visions. Our results show well-known tensions such as intrinsic versus instrumental values but also new ones concerning forests' social values. Identified synergies include prioritization of rural development, new valued-added forest products and diversified forest management. The results may feed directly into forest policy processes facilitating the process and break current deadlocks.
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