Browsing NTNU Open by Author "Kyrkjeeide, Magni Olsen"

Now showing items 1-20 of 20

    • A genomic delimitation of European Sphagnum subgenus Subsecunda with particular emphasis on the taxonomically difficult allodiploids Sphagnum auriculatum Schimp. and Sphagnum inundatum Russow 

      Petlund, Hanne Torsdatter (Master thesis, 2021)
      Allopolyploidi er en viktig faktor for artsdannelse i planter. Det er et utbredt fenomen blant moser og bidrar til den taksonomiske forvirringen i mange underslekter i den morfologisk og økologisk mangfoldige moseslekten ...

    • Assessing the effect of mitigation efforts to improve vegetation recovery inpowerline construction sites across Norway 

      Hagen, Dagmar; Mehlhoop, Anne Catriona; Torsæter, E.; Kyrkjeeide, Magni Olsen; Grainger, Matthew; Evju, Marianne (Journal article; Peer reviewed, 2022)
      Land-use related to technical infrastructure puts great pressure on nature and landscapes globally. We used a screening approach to evaluate vegetation development in 295 construction sites related to upkeeping of the ...

    • A calculator for local peatland volume and carbon stock to support area planners and decision makers 

      Kyrkjeeide, Magni Olsen; Fandrem, Marte; Kolstad, Anders Lorentzen; Bartlett, Jesamine; Cretois, Benjamin; Silvennoinen, Hanna Marika (Peer reviewed; Journal article, 2023)
      Conserving soil carbon is one of many actions to take in limiting global warming. However, carbon dense peatlands are still being drained or excavated. Infrastructure development is one of the major current threats to boral ...

    • Genetic variation and structure in peatmosses (Sphagnum) 

      Kyrkjeeide, Magni Olsen (Doctoral thesis at NTNU;2015:239, Doctoral thesis, 2015)
      Further work should include morphological studies of these species to see if there are morphological differences between genetic groups. This can give an indication of individuals in the Pacific region and the ones ...

    • Glacial refugia and post-glacial colonization patterns in European bryophytes 

      Kyrkjeeide, Magni Olsen; Stenøien, Hans K.; Flatberg, Kjell Ivar; Hassel, Kristian (Journal article; Peer reviewed, 2014)
      Most species are assumed to have survived south or east of the ice sheet covering northern Europe during the last glacial maximum. Molecular and macrofossil evidence suggests, however, that some species may have survived ...

    • GrassPlot – a database of multi-scale plant diversity in Palaearctic grasslands 

      Dengler, Jürgen; Wagner, Viktoria; Dembicz, Iwona; García-Mijangos, Itziar; Naqinezhad, Alireza; Boch, Steffen; Chiarucci, Alessandro; Conradi, Timo; Filibeck, Goffredo; Guarino, Riccardo; Janišová, Monika; Steinbauer, Manuel J.; Aćić, Svetlana; Acosta, Alicia T.R.; Akasaka, Munemitsu; Allers, Marc-Andre; Apostolova, Iva; Axmanová, Irena; Bakan, Branko; Baranova, Alina; Bardy-Durchhalter, Manfred; Bartha, Sándor; Baumann, Esther; Becker, Thomas; Becker, Ute; Belonovskaya, Elena; Bengtsson, Karin; Alonso, José Luis Benito; Berastegi, Asun; Bergamini, Ariel; Bonini, Ilaria; Bruun, Hans Henrik; Budzhak, Vasyl; Bueno, Alvaro; Campos, Juan Antonio; Cancellieri, Laura; Carboni, Marta; Chocarro, Cristina; Conti, Luisa; Czarniecka-Wiera, Marta; De Frenne, Pieter; Deák, Balázs; Didukh, Yakiv P.; Diekmann, Martin; Dolnik, Christian; Duprè, Cecilia; Ecker, Klaus; Ermakov, Nikolai; Erschbamer, Brigitta; Escudero, Adrián; Etayo, Javier; Fajmonová, Zuzana; Felde, Vivian Astrup; Calzado, Maria Rosa Fernández; Finckh, Manfred; Fotiadis, Georgios; Fracchiolla, Mariano; Ganeva, Anna; García-Magro, Daniel; Gavilán, Rosario G.; Germany, Markus; Giladi, Itamar; Gillet, François; Giusso del Galdo, Gian Pietro; González, Jose M.; Grytnes, John-Arvid; Hájek, Michal; Hájková, Petra; Helm, Aveliina; Herrera, Mercedes; Hettenbergerová, Eva; Hobohm, Carsten; Hüllbusch, Elisabeth M.; Ingerpuu, Nele; Jandt, Ute; Jeltsch, Florian; Jensen, Kai; Jentsch, Anke; Jeschke, Michael; Jiménez-Alfaro, Borja; Kacki, Zygmunt; Kakinuma, Kaoru; Kapfer, Jutta; Kavgaci, Ali; Kelemen, András; Kiehl, Kathrin; Koyama, Asuka; Koyanagi, Tomoyo F.; Kozub, Łukasz; Kuzemko, Anna; Kyrkjeeide, Magni Olsen; Landi, Sara; Langer, Nancy; Lastrucci, Lorenzo; Lazzaro, Lorenzo; Lelli, Chiara; Lepš, Jan; Löbel, Swantje; Luzuriaga, Arantzazu L.; Maccherini, Simona; Magnes, Martin; Malicki, Marek; Marcenó, Corrado; Mardari, Constantin; Mauchamp, Leslie; May, Felix; Michelsen, Ottar; Mesa, Joaquín Molero; Molnár, Zsolt; Moysiyenko, Ivan Y.; Nakaga, Yuko K.; Natcheva, Rayna; Noroozi, Jalil; Pakeman, Robin J.; Palpurina, Salza; Pärtel, Meelis; Pätsch, Ricarda; Pauli, Harald; Pedashenko, Hristo; Peet, Robert K.; Pielech, Remigiusz; Pipenbaher, Nataša; Pirini, Chrisoula; Plesková, Zuzana; Polyakova, Mariya A.; Prentice, Honor C.; Reinecke, Jennifer; Reitalu, Triin; Rodríguez-Rojo, Maria Pilar; Roleček, Jan; Ronkin, Vladimir; Rosati, Leonardo; Rosén, Ejvind; Ruprecht, Eszter; Rusina, Solvita; Sabovljević, Marko; Sánchez, Ana María; Savchenko, Galina; Schuhmacher, Oliver; Škornik, Sonja; Sperandii, Marta Gaia; Staniaszek-Kik, Monika; Stevanović-Dajić, Zora; Stock, Marin; Suchrow, Sigrid; Sutcliffe, Laura M. E.; Swacha, Grzegorz; Sykes, Martin; Szabó, Anna; Talebi, Amir; Tănase, Cătălin; Terzi, Massimo; Tölgyesi, Csaba; Torca, Marta; Török, Péter; Tóthmérész, Béla; Tsarevskaya, Nadezda; Tsiripidis, Ioannis; Tzonev, Rossen; Ushimaru, Atushi; Valkó, Orsolya; van der Maarel, Eddy; Vanneste, Thomas; Vashenyak, Iuliia; Vassilev, Kiril; Viciani, Daniele; Villar, Luis; Virtanen, Risto; Kosić, Ivana Vitasović; Wang, Yun; Weiser, Frank; Went, Julia; Wesche, Karsten; White, Hannah; Winkler, Manuela; Zaniewski, Piotr T.; Zhang, Hui; Ziv, Yaron; Znamenskiy, Sergey; Biurrun, Idoia (Journal article, 2018)
      GrassPlot is a collaborative vegetation-plot database organised by the Eurasian Dry Grassland Group (EDGG) and listed in the Global Index of Vegetation-Plot Databases (GIVD ID EU-00-003). GrassPlot collects plot records ...

    • The identification and distribution of Sphagnum balticum (Russow) C.E.O.Jensen in Britain 

      Callaghan, Des A.; Kyrkjeeide, Magni Olsen; Hassel, Kristian (Peer reviewed; Journal article, 2023)
      Introduction. The aims of this study were to help clarify the identification of Sphagnum balticum in Britain, to review its distribution, and to investigate the possible presence of hybrids between it and either S. cuspidatum ...

    • Impact of climate change on alpine vegetation of mountain summits in Norway 

      Vanneste, Thomas; Michelsen, Ottar; Graae, Bente Jessen; Kyrkjeeide, Magni Olsen; Holien, Håkon; Hassel, Kristian; Lindmo, Sigrid; Kapás, Rozália Erzsebet; De Frenne, Pieter (Journal article; Peer reviewed, 2017)
      Climate change is affecting the composition and functioning of ecosystems across the globe. Mountain ecosystems are particularly sensitive to climate warming since their biota is generally limited by low temperatures. ...

    • Is interspecific gene flow and speciation in peatmosses (Sphagnum) constrained by phylogenetic relationship and life-history traits? 

      Meleshko, Olena; Stenøien, Hans K.; Speed, James David Mervyn; Flatberg, Kjell Ivar; Kyrkjeeide, Magni Olsen; Hassel, Kristian (Journal article; Peer reviewed, 2018)
      Peatmosses are interesting for studies of speciation processes not only because of their frequent hybridization and recent diversification, but also their phenotypic diversity, ecological importance and ancient history. ...

    • Long-distance dispersal and barriers shape genetic structure of peatmosses (Sphagnum) across the Northern Hemisphere 

      Kyrkjeeide, Magni Olsen; Hassel, Kristian; Flatberg, Kjell Ivar; Shaw, A. Jonathan; Brochmann, Christian; Stenøien, Hans K. (Journal article; Peer reviewed, 2016)
      Aim Disjunctly distributed peatmosses (Sphagnum) have been found to exhibit little genetic structure over regional and intercontinental scales, mainly caused by high ability for transoceanic long-distance dispersal. ...

    • Peatland restoration in Norway – evaluation of ongoing monitoring and identification of plant indicators of restoration success 

      Kyrkjeeide, Magni Olsen; Jokerud, Mari; Mehlhoop, Anne Catriona; Lunde, Linn Marie Foldnes; Fandrem, Marte; Lyngstad, Anders (Peer reviewed; Journal article, 2024)
      Norway launched a national action plan on wetland restoration in 2016. So far, 90% of the restoration effort has been on peatland restoration, with about 140 mires restored so far. There are three main restoration goals ...

    • Phylogeography of the threatened peat moss Sphagnum wulfianum Girg. with emphasis on northern Europe 

      Kyrkjeeide, Magni Olsen (Master thesis, 2010)
      The species distribution in northern Europe is influenced by the last glaciation. An increasing number of phylogeographic studies reveal possible glacial refugia and colonization pattern for different species, however, ...

    • Short stories from Sphagnum of rare species, taxonomy, and speciation 

      Kyrkjeeide, Magni Olsen; Meleshko, Olena; Flatberg, Kjell Ivar; Hassel, Kristian (Peer reviewed; Journal article, 2023)
      Conserving species and their genetic variation are a global priority to safeguard evolu-tionary potential in a rapidly changing world. Species are fundamental units in research and nature management, but taxonomic work is ...

    • Spatial Genetic Structure of the Abundantand Widespread Peatmoss Sphagnummagellanicum Brid . 

      Kyrkjeeide, Magni Olsen; Hassel, Kristian; Flatberg, Kjell Ivar; Shaw, A. Jonathan; Yousefi, Narjes; Stenøien, Hans K. (Journal article; Peer reviewed, 2016-02-09)
      Spore-producing organisms have small dispersal units enabling them to become widespread across continents. However, barriers to gene flow and cryptic speciation may exist. The common, haploid peatmoss Sphagnum magellanicum ...

    • Sphagnum divinum (sp. nov.) and S. medium Limpr. and their relationship to S. magellanicum Brid. 

      Hassel, Kristian; Kyrkjeeide, Magni Olsen; Yousefi, Narjes; Prestø, Tommy; Stenøien, Hans K.; Shaw, Jonathan A.; Flatberg, Kjell Ivar (Journal article; Peer reviewed, 2018)
      Sphagnum magellanicum has been viewed as being a predominantly circumpolar species in the northern hemisphere, but it occurs in the southern hemisphere and was originally described from the southern parts of Chile. It is ...

    • Sphagnum incundum a new species in Sphagnum subg. Acutifolia (Sphagnaceae) from boreal and arctic regions of North America 

      Kyrkjeeide, Magni Olsen; Hassel, Kristian; Shaw, Blanca; Shaw, Jonathan; Temsch, Eva M.; Flatberg, Kjell Ivar (Journal article; Peer reviewed, 2018)
      We describe Sphagnum incundum in Sphagnum subg. Acutifolia (Sphagnaceae, Bryophyta). We used both molecular and morphological methods to describe the new species. Molecular relationships with closely related species were ...

    • Sphagnum magniporosum (Sphagnaceae, subgenus Subsecunda) a new peatmoss species from Venezuela 

      Flatberg, Kjell Ivar; Hassel, Kristian; Prestø, Tommy; Kyrkjeeide, Magni Olsen; Shaw, A. Jonathan; Ahti, Teuvo (Journal article; Peer reviewed, 2022)
      We describe Sphagnum magniporosum sp. nov. in Sphagnum subgen. Subsecunda (Sphagnaceae) Bryophyta. The new species is described and characterized using morphological methods. The description is based on qualitative examination ...

    • Sphagnum Xlydiae, the first allotriploid peatmoss in the Northern hemisphere 

      Kyrkjeeide, Magni Olsen; Hassel, Kristian; Aguero, Blanka; Temsch, Eva M.; Afonina, Olga M.; Shaw, A. Jonathan; Stenøien, Hans K.; Flatberg, Kjell Ivar (Journal article; Peer reviewed, 2019)
      In plants, hybridization between interspecific taxa leading to chromosome doubling seems to happen regularly and may be an important driver of speciation. Allopolyploid species often have morphological traits from both ...

    • Summary of mire restoration and evaluation of two methods for monitoring mire restoration in Norway 

      Lunde, Linn Marie Foldnes (Master thesis, 2022)
      Intakte myrer har store karbonlagre, men har i mange tilfeller tidligere blitt drenerte for skogbruk eller landbruk. Derfor ble det igangsatt en plan for restaurering av våtmark av Miljødirektoratet i 2016, med mål om å ...

    • Whole genome data reveals possible speciation in the common peatmoss Sphagnum compactum 

      Brandtzæg, Nils Einar (Master thesis, 2023)
      Et langvarig syn innenfor mosebiogeografi er at moser har svært store utbredelsesområder og lave artsdannelse. Her studerer jeg den genetiske strukturen til den vanlige og utbredte torvmosen Sphagnum compactum Lam. & DC. ...