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Träfflista för sökning "WFRF:(Sheldon Rob) "

Search: WFRF:(Sheldon Rob)

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1.
  • Hudson, Lawrence N, et al. (author)
  • The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project
  • 2017
  • In: Ecology and Evolution. - : John Wiley & Sons. - 2045-7758. ; 7:1, s. 145-188
  • Journal article (peer-reviewed)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.
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2.
  • Batley, Richard, et al. (author)
  • New appraisal values of travel time saving and reliability in Great Britain
  • 2019
  • In: Transportation. - : Springer. - 0049-4488 .- 1572-9435. ; 46:3, s. 583-621
  • Journal article (peer-reviewed)abstract
    • This paper provides an overview of the study Provision of market research for value of time savings and reliability' undertaken by the Arup/ITS Leeds/Accent consortium for the UK Department for Transport (DfT). The paper summarises recommendations for revised national average values of in-vehicle travel time savings, reliability and time-related quality (e.g. crowding and congestion), which were developed using willingness-to-pay (WTP) methods, for a range of modes, and covering both business and non-work travel purposes. The paper examines variation in these values by characteristics of the traveller and trip, and offers insights into the uncertainties around the values, especially through the calculation of confidence intervals. With regards to non-work, our recommendations entail an increase of around 50% in values for commute, but a reduction of around 25% for other non-workrelative to previous DfT WebTAG' guidance. With regards to business, our recommendations are based on WTP, and thus represent a methodological shift away from the cost saving approach (CSA) traditionally used in WebTAG. These WTP-based business values show marked variation by distance; for trips of less than 20miles, values are around 75% lower than previous WebTAG values; for trips of around 100miles, WTP-based values are comparable to previous WebTAG; and for longer trips still, WTP-based values exceed those previously in WebTAG.
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Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Hylander, Kristoffer (1)
Granjon, Laurent (1)
Abrahamczyk, Stefan (1)
Jonsell, Mats (1)
Brunet, Jörg (1)
Kolb, Annette (1)
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Sáfián, Szabolcs (1)
Persson, Anna S. (1)
Franzén, Markus (1)
Jung, Martin (1)
Nilsson, Sven G (1)
Berg, Åke (1)
Entling, Martin H. (1)
Goulson, Dave (1)
Herzog, Felix (1)
Knop, Eva (1)
Tscharntke, Teja (1)
Aizen, Marcelo A. (1)
Petanidou, Theodora (1)
Stout, Jane C. (1)
Woodcock, Ben A. (1)
Poveda, Katja (1)
Alignier, Audrey (1)
Batáry, Péter (1)
Krauss, Jochen (1)
Steffan-Dewenter, In ... (1)
Westphal, Catrin (1)
Wolters, Volkmar (1)
Edenius, Lars (1)
Rader, Romina (1)
Medina, Nagore G. (1)
Baeten, Lander (1)
Daly, Andrew (1)
Börjesson, Maria, 19 ... (1)
Dynesius, Mats (1)
de Sassi, Claudio (1)
Luskin, Matthew S. (1)
Slade, Eleanor M. (1)
Mikusinski, Grzegorz (1)
Gilbert, Benjamin (1)
Felton, Annika (1)
Samnegård, Ulrika (1)
Barlow, Jos (1)
Ficetola, Gentile F. (1)
Yu, Douglas W. (1)
Schweiger, Oliver (1)
Sadler, Jonathan P. (1)
Stefanescu, Constant ... (1)
Måren, Inger E. (1)
Purvis, Andy (1)
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University
Umeå University (1)
Royal Institute of Technology (1)
Stockholm University (1)
Lund University (1)
Linnaeus University (1)
Swedish University of Agricultural Sciences (1)
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VTI - The Swedish National Road and Transport Research Institute (1)
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Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (1)
Engineering and Technology (1)

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