Browsing Vitenskapelige artikler by Author "Halvorsen, Rune"
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Climate change drives substantial decline of understorey species richness and abundance in Norway spruce forests during 32 years of vegetation monitoring
Økland, Tonje; Halvorsen, Rune; Lange, Holger; Nordbakken, Jørn-Frode; Clarke, Nicholas (Peer reviewed; Journal article, 2023-05-31)Questions Observations in permanent forest vegetation plots in Norway and elsewhere indicate that complex changes have taken place over the period 1988–2020. These observations are summarised in the “climate-induced ... -
Composite landscape predictors improve distribution models of ecosystem types
Simensen, Trond; Horvath, Peter; Vollering, Julien; Erikstad, Lars; Halvorsen, Rune; Bryn, Anders (Peer reviewed; Journal article, 2020-06-10)Aim: Distribution modelling is a useful approach to obtain knowledge about the spatial distribution of biodiversity, required for, for example, red-list assessments. While distribution modelling methods have been applied ... -
European mushroom assemblages are darker in cold climates
Krah, Franz-Sebastian; Büntgen, Ulf; Schaefer, Hanno; Müller, Jörg; Andrew, Carrie; Boddy, Lynne; Diez, Jeffrey; Egli, Simon; Freckleton, Robert; Gange, Alan C.; Halvorsen, Rune; Heegaard, Einar; Heideroth, Antje; Heibl, Christoph; Heilmann-Clausen, Jacob; Høiland, Klaus; Kar, Ritwika; Kauserud, Håvard; Kirk, Paul M.; Kuyper, Thomas W.; Krisai-Greilhuber, Irmgard; Nordén, Jenni; Papastefanou, Phillip; Senn-Irlet, Beatrice; Bässler, Claus (Peer reviewed; Journal article, 2019-10-10)Thermal melanism theory states that dark-colored ectotherm organisms are at an advantage at low temperature due to increased warming. This theory is generally supported for ectotherm animals, however, the function of colors ... -
What explains inconsistencies in field-based ecosystem mapping?
Naas, Adam Eindride; Halvorsen, Rune; Horvath, Peter; Wollan, Anders Kvalvåg; Bratli, Harald; Brynildsrud, Katrine Marie; Finne, Eirik Aasmo; Keetz, Lasse Torben; Lieungh, Eva; Olson, Christine; Simensen, Trond; Skarpaas, Olav; Tandstad, Hilde; Torma, Michal; Værland, Espen Sommer; Bryn, Anders (Peer reviewed; Journal article, 2023-02-11)Questions: Field-based ecosystem mapping is prone to observer bias, typically resulting in a mismatch between maps made by different mappers, that is, inconsistency. Experimental studies testing the influence of site, ...