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Sökning: WFRF:(Armbrecht John)

  • Resultat 1-10 av 52
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1.
  • Hudson, Lawrence N., et al. (författare)
  • The PREDICTS database: a global database of how local terrestrial biodiversity responds to human impacts.
  • 2014
  • Ingår i: Ecology and Evolution. - Wiley-Blackwell. - 2045-7758. ; 4:24, s. 4701-4735
  • Tidskriftsartikel (refereegranskat)abstract
    • Biodiversity continues to decline in the face of increasing anthropogenic pressures such as habitat destruction, exploitation, pollution and introduction of alien species. Existing global databases of species' threat status or population time series are dominated by charismatic species. The collation of datasets with broad taxonomic and biogeographic extents, and that support computation of a range of biodiversity indicators, is necessary to enable better understanding of historical declines and to project - and avert - future declines. We describe and assess a new database of more than 1.6 million samples from 78 countries representing over 28,000 species, collated from existing spatial comparisons of local-scale biodiversity exposed to different intensities and types of anthropogenic pressures, from terrestrial sites around the world. The database contains measurements taken in 208 (of 814) ecoregions, 13 (of 14) biomes, 25 (of 35) biodiversity hotspots and 16 (of 17) megadiverse countries. The database contains more than 1% of the total number of all species described, and more than 1% of the described species within many taxonomic groups - including flowering plants, gymnosperms, birds, mammals, reptiles, amphibians, beetles, lepidopterans and hymenopterans. The dataset, which is still being added to, is therefore already considerably larger and more representative than those used by previous quantitative models of biodiversity trends and responses. The database is being assembled as part of the PREDICTS project (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems - http://www.predicts.org.uk). We make site-level summary data available alongside this article. The full database will be publicly available in 2015.
2.
  • Hudson, Lawrence N., et al. (författare)
  • The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project
  • 2017
  • Ingår i: Ecology and Evolution. - Wiley-Blackwell. - 2045-7758. ; 7:1, s. 145-188
  • Tidskriftsartikel (refereegranskat)abstract
    • The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used this evidence base to develop global and regional statistical models of how local biodiversity responds to these measures. We describe and make freely available this 2016 release of the database, containing more than 3.2 million records sampled at over 26,000 locations and representing over 47,000 species. We outline how the database can help in answering a range of questions in ecology and conservation biology. To our knowledge, this is the largest and most geographically and taxonomically representative database of spatial comparisons of biodiversity that has been collated to date; it will be useful to researchers and international efforts wishing to model and understand the global status of biodiversity.
3.
  • Almered Olsson, Gunilla, 1951-, et al. (författare)
  • City–Region Food Systems: Scenarios to re-establish urban-rural links through sustainable food provisioning
  • 2018
  • Ingår i: Tomorrow’s Food Travel (TFT) conference, Centre for Tourism – University of Gothenburg, 8–10 October 2018, Gothenburg, Sweden.
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • City–Region Food Systems (CRFS) is a cutting-edge concept and an emerging field of research. As a new analytical lens, it offers an integrated and multi-dimensional perspective on food’s origins, how it is grown and the path it follows to our plates and beyond. Building on this concept, this presentation reflects a prospective research project which seeks to explore opportunities for innovative and sustainable food systems in the Gothenburg region of Sweden by focusing on how rural and urban regions, food production and market can be integrated to promote regional food security. The project intends to: 1) develop scenarios with stakeholders for local food production in the region; 2) analyze the consequences of the scenarios on landscape change and biodiversity; 3) explore socio-economic consequences for producers and local communities; and 4) evaluate the sustainability and feasibility of scenarios with stakeholders. Five municipalities in Western Sweden (Gothenburg, Kungälv, Lerum, Alingsås and Essunga) will serve as study areas for the project, selected to reflect different kinds of potential for local food production in terms of dissimilar environmental conditions, prerequisites for farming and economic histories. The project responds to expressed interests and knowledge needs in the region and will be developed and implemented in direct cooperation with local and regional actors such as Västarvet, the Västra Götaland Region, the municipalities and various producer organizations. In sum, there are premises suggesting that recent urban food strategies and plans with sustainability ambitions are embracing several Sustainable Development Goals in the environmental, social, economic, and equity dimensions. This, in turn, is a characteristic of the Transition Movements pathway, in which the utility of food strategies in the work with sustainability transitions seems inevitable. The results are therefore likely to be transferable to other regions.
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4.
  • Andersson, Tommy, 1947-, et al. (författare)
  • Estimating Use and Non-use Values of a Music Festival
  • 2012
  • Ingår i: Scandinavian Journal of Hospitality and Tourism. - 1502-2250. ; 12:3, s. 215-231
  • Tidskriftsartikel (refereegranskat)abstract
    • Impacts of a music festival may appear in many forms and research in the area of impact assessments is at present developing wider perspectives than being limited to economic impact assessments. Concepts like social, cultural and environmental impacts are now appropriate and traditional cost–benefit analysis is regaining momentum. The purpose of this study was first, to discuss how the value of a festival can be assessed and understood within a cost–benefit framework. Second, it was to evaluate a Scandinavian music festival in terms of Use and Non-use values by the contingent valuation method. The results illustrate the implications of a wider perspective regarding the impacts of a festival. Use value, representing the core experience, is the largest value (€7.4 million) but Non-use value is also important (€3 million). The latter includes the perceived value of externalities such as socio-cultural and environmental impacts which are highly relevant from a sustainability perspective. One conclusion is that Use and Non-use values within a cost–benefit framework can help managers and researchers understand value creation of festivals better.
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5.
  • Andersson, Tommy, 1947-, et al. (författare)
  • Factors explaining the use-value of sport event experiences
  • 2014
  • Ingår i: International Journal of Event and Festival Management. - 1758-2954 .- 1758-2962. ; 5:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose – The purpose of this paper is to propose and test a model explaining the value of event experiences. Design/methodology/approach – Three versions of the explanatory model are tested by regression analysis of data from a survey of 650 visitors to a sports event. Findings – The three model versions are significant and explain the value of event experiences with satisfactory R2 values (0.29, 0.46 and 0.68) using the concepts “Extent of visit”, “Experience intensity” and “Expenditure”. The measures of event experiences (Use-Value, Direct Use-Value as well as Indirect Use-Value) meet requirements for reliability and validity. Originality/value – The paper reveals that explanatory models are basic but novel in a sports event context and provide a basis for further research. Furthermore, the definition of Indirect Use-Value has been clarified and adapted for higher relevance to destination managers focusing on event tourism.
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6.
  • Andersson, Tommy, 1947-, et al. (författare)
  • Impact of mega events on the economy
  • 2008
  • Ingår i: Asian Business & Management. ; Vol 7:2, s. 163-179
  • Tidskriftsartikel (refereegranskat)
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7.
  • Andersson, Tommy, 1947-, et al. (författare)
  • Linking event quality to economic impact: A study of quality, satisfaction, use value and expenditure at a music festival
  • 2017
  • Ingår i: Journalof Vacation Marketing. - 1356-7667 .- 1479-1870. ; 23:2
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study is to develop and test, in an event context, a model describing the relationships between perceived quality, satisfaction, use value and consumer expenditures. A model is proposed and tested using data from a Web and telephone survey of 326 visitors to a Swedish music festival. Findings from bivariate correlation, multiple regression and structural equation models show that links are significant and support a chain of dependencies. Better managed festivals seem to generate higher economic impact at the destination as well as in the festival area. Implications of this are that festival managers can influence the economic impact by careful design, planning and operation of the festival and that the DMO can positively influence the economic impact by monitoring the quality of publicly supported festivals and events. Quality standards and quality certification could provide means for such developments.
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8.
  • Andersson, Tommy, 1947-, et al. (författare)
  • The use and non-use values of events: a conceptual framework for event evaluation
  • 2014
  • Ingår i: The 23 r d Nordic Symposium On Tourism And Hospitality Research. THE VALUES OF TOURISM 2-4 October 2014. Köpenhamn, Danmark..
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • An important focus of current research has involved the holisti c assessment of event impacts, including social, cultu ral and environmental impacts a s well as economic impacts. Events create externali ties that can be understood wit h the help of concepts such as Use and Non‐use values. To date, these concepts have been de veloped and applied primarily within environmental economics as comprising what eco nomists call 'total economic value'. They have been u sed to understand the benefits and costs that occur both for users of natural resources and for non‐users, i.e. ind ividuals that are affected by positive or negative externaliti es linked to, for example, the preservation of natural resources. They have also been e stablished within cultural econ omics to understand the values created by, for example, cultural institutions and art. A more recent development has been the application of Use and Non‐use values in the conte xts of events and festivals. The link between cultural instit utions and events can be establ ished by the cultural content of many events and festivals. However, the adoption of these concepts can also be linked to the notion that events have wider societal impacts, b eyond economic impacts or the financial injection of new money. The aim of this paper is to conceptualize Use and Non‐use value s in an event context. A literature review of the definit ions and applications within th e fields of environmental and cultural economics will be t he basis for the conceptualizat ion, as well as the recent applications in the event context. The conceptual framework pro vides a view on value creation of events, including bo th visitors (users) and local r esidents (non‐users). Use values are discussed in terms of direct and indirect use value which can be linked to different aspects of the event e xperience by participants, visi tors and destination residents. Non‐use values, on th e other hand, are discussed in terms of option value , bequest value , stewardship , altruistic value , and existence value and how these values can (if at all possible) be related to a wider group of event stake holders. The paper contributes an alternative perspective on event evaluation comp ared to standard approaches. This perspective also provides a fertile agenda for more detailed research on the role and importance of diffe rent types of values in event a ssessment.
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  • Resultat 1-10 av 52
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