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- Aakala, Tuomas, et al.
(författare)
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Drivers of snag fall rates in Fennoscandian boreal forests
- 2024
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Ingår i: Journal of Applied Ecology. - : Wiley. - 0021-8901 .- 1365-2664.
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Tidskriftsartikel (refereegranskat)abstract
- Persistence of standing dead trees (snags) is an important determinant for their role for biodiversity and dead wood associated carbon fluxes. How fast snags fall varies widely among species and regions and is further influenced by a variety of stand- and tree-level factors. However, our understanding of this variation is fragmentary at best, partly due to lack of empirical data. Here, we took advantage of the accruing time series of snag observations in the Finnish, Norwegian and Swedish National Forest Inventories that have been followed in these programs since the mid-1990s. We first harmonized observations from slightly different inventory protocols and then, using this harmonized dataset of ca. 43,000 observations that had a consistent 5-year census interval, we modelled the probability of snags of the main boreal tree species Pinus sylvestris, Picea abies and Betula spp. falling, as a function of tree- and stand-level variables, using Bayesian logistic regression modelling. The models were moderately good at predicting snags remaining standing or falling, with a correct classification rate ranging from 68% to 75% among species. In general, snag persistence increased with tree size and climatic wetness, and decreased with temperature sum, advancing stage of decay, site productivity and disturbance intensity (mainly harvesting). Synthesis and applications: The effect of harvesting demonstrates that an efficient avenue to increase the amount of snags in managed forests is protecting them during silvicultural operations. In the warmer future, negative relationship between snag persistence and temperature suggests decreasing the time snags remain standing and hence decreasing habitat availability for associated species. As decomposition rates generally increase after fall, decreasing snag persistence also implies substantially faster release of carbon from dead wood. The effect of harvesting demonstrates that an efficient avenue to increase the amount of snags in managed forests is protecting them during silvicultural operations. In the warmer future, negative relationship between snag persistence and temperature suggests decreasing the time snags remain standing and hence decreasing habitat availability for associated species. As decomposition rates generally increase after fall, decreasing snag persistence also implies substantially faster release of carbon from dead wood.image
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| 5. |
- Aalberg, Toril, et al.
(författare)
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Media-driven Men and Media-critical Women? : An Empirical Study of Gender and MPs’ Relationships with the Media in Norway and Sweden
- 2011
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Ingår i: International Political Science Review. - London : Sage. - 0192-5121 .- 1460-373X. ; 32:2, s. 167-187
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Tidskriftsartikel (refereegranskat)abstract
- This study is an investigation of how members of the Norwegian and the Swedish parliaments relate to and perceive their relationships with the media. Based on surveys conducted among members of the Norwegian Storting and the Swedish Riksdag, we find that male MPs have more frequent and somewhat less formal relationships with media and journalists compared with female MPs. The results also suggest that male MPs have adapted to the media and their logic more than female MPs. Female MPs also appear to be more critical towards the requirements imposed on politicians who want to get media exposure, compared with male MPs. Analysis reveals that gender differences are smaller among Swedish than Norwegian MPs.
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| 6. |
- Aalberg, Toril, et al.
(författare)
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Strategy and Game Framing
- 2017
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Ingår i: Comparing Political Journalism - (eds.) Claes de Vreese, Frank Esser & David Nicolas Hopmann. - New York : Routledge. - 9781138655867 ; , s. 33-49
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Bokkapitel (refereegranskat)
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| 7. |
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| 8. |
- Aalberg, Toril, et al.
(författare)
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The framing of politics as strategy and game : A review of concepts, operationalizations and key findings
- 2012
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Ingår i: Journalism - Theory, Practice & Criticism. - : SAGE Publications. - 1464-8849 .- 1741-3001. ; 13:2, s. 162-178
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Forskningsöversikt (refereegranskat)abstract
- A key concept in research on the media coverage of politics is the game or strategy frame. Contrasted with coverage of politics as issues, theframing of politics as a strategic game is marked by features such as winning and losing as the central concern and a focus on how candidates or parties are doing in opinion polls. The pervasiveness of such framing is, however, disputed since (1) the way in which the frames are conceptualized and operationalized differs significantly; and (2) while some use terms such as 'game frame' and 'strategy frame' as synonymous, others argue that there is a conceptual difference between them. Against this background, this article reviews research on the media's framing ofpolitics as a strategic game, what concepts have been used, and how they have been operationalized; and suggests a synthesis and ways of improving conceptual clarity and comparability in research on the media's use of strategy and/or game frames. © SAGE Publications 2011.
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| 9. |
- Aamodt, A., et al.
(författare)
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Case-based reasoning for assessment and diagnosis of depression in palliative care
- 2010
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Ingår i: Proceedings - IEEE Symposium on Computer-Based Medical Systems. ; , s. 480-485
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Konferensbidrag (refereegranskat)abstract
- The goal of the research presented is to create a computational framework and system architecture for clinical decision support in palliative care. The application focused is the classification of depression. The method under investigation is case-based reasoning, motivated by the complexity of the domain and a lack of generalized principles of sufficient coverage and strength for diagnosis and treatment. A system architecture is described and exemplified through an implemented prototype. The outcome of the research so far is a system that captures the properties intended, and for which a clinical test set-up has been defined. © 2010 IEEE.
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| 10. |
- Aasen, Elin Margrethe, et al.
(författare)
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Scandinavian Online Cancer Information as Expressions of Governmentality
- 2023
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Ingår i: Advances in Nursing Science. - : Wolters Kluwer. - 0161-9268 .- 1550-5014. ; 46, s. 293-305
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Tidskriftsartikel (refereegranskat)abstract
- We compared online distributed information provided to patients with cancer in Scandinavian countries through the lens of governmentality. A secondary comparative qualitative analysis was conducted. Discourses in online patient information showed differences in governmentality techniques across the countries: Norway used a paternalist approach, Denmark an educative approach, and Sweden an individualistic approach and expected the patients to make the “right” decisions. Online information for patients with cancer in Denmark and Norway showed high professional and health care system involvement, whereas in Sweden, there was high patient involvement. There was almost no use of the person-centered approach among the online discourses
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