Browsing Museene by Author "Ullerud, Heidrun Asgeirsdatter"
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Ullerud, Heidrun Asgeirsdatter; Bryn, Anders; Skånes, Helle (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)The abstract classification system Nature in Norway (NiN) has detailed ecological definitions of a high number of ecosystem units, but its applicability in practical vegetation mapping is unknown because it was not designed ...
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Bryn, Anders; Halvorsen, Rune; Ullerud, Heidrun Asgeirsdatter (Research report / Forskningsrapport, 2018)
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Eriksen, Eva Lieungh; Ullerud, Heidrun Asgeirsdatter; Halvorsen, Rune; Aune, Sigrun; Bratli, Harald; Horvath, Peter; Volden, Inger Kristine; Wollan, Anders Kvalvåg; Bryn, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)Questions: Substantial variation between observers has been found when comparing parallel land-cover maps, but how can we know which map is better? What magnitude of error and inter-observer variation is expected when ...
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Haga, Hannah Emma Emilie Strømsrud; Nilsen, Anne-Barbi; Ullerud, Heidrun Asgeirsdatter; Bryn, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)Aim Many thematic land cover maps, such as maps of vegetation types, are based on field inventories. Studies show inconsistencies among field workers in such maps, explained by inter-observer variation in classification ...