• 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 ...
    • Phylogenomic structure and speciation in an emerging model: the Sphagnum magellanicum complex (Bryophyta) 

      Shaw, A. Jonathan; Piatkowski, Bryan; Duffy, Aaron M.; Aguero, Blanka; Imwattana, Karn; Nieto-Lugilde, Marta; Healey, Adam; Weston, David J.; Patel, Megan N.; Schmutz, Jeremy; Grimwood, Jane; Yavitt, Joseph B.; Hassel, Kristian; Stenøien, Hans K.; Flatberg, Kjell Ivar; Bickford, Christopher P.; Hicks, Karen A. (Peer reviewed; Journal article, 2022)
      Sphagnum magellanicum is one of two Sphagnum species for which a reference-quality genome exists to facilitate research in ecological genomics. Phylogenetic and comparative genomic analyses were conducted based on ...
    • Quaternary landscape evolution in a tectonically active rift basin (paleo-lake Mweru, south-central Africa) 

      Olivotos, Spiros; Niedermann, Samuel; Flügel, Tyrel; Mouslopoulou, Vasiliki; Merchel, Silke; Cotterill, Fenton; Bookhagen, Bodo; Gärtner, Andreas; Rugel, Georg; Scharf, Andreas; Nadeau, Marie-Josée; Braucher, Régis; Seiler, Martin (Peer reviewed; Journal article, 2021)
      Located between the Northern Province of Zambia and the southeastern Katanga Province of the Democratic Republic of Congo, Lakes Mweru and Mweru Wantipa are part of the southwest extension of the East African Rift System ...
    • Radiocarbon calibration around AD 1900 from Scots pine (Pinus sylvestris) tree rings from northern Norway 

      Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée (Journal article; Peer reviewed, 2019)
      To resolve an inconsistency around AD 1895 between radiocarbon (14C) measurements on oak from the British Isles and Douglas fir and Sitka spruce from the Pacific Northwest, USA, we measured the 14C content in single-year ...
    • The Radiocarbon Sample Archive of Trondheim 

      Seiler, Martin Thomas; Grootes, Pieter M; Svarva, Helene Løvstrand; Nadeau, Marie-Josee (Peer reviewed; Journal article, 2023)
      Atmospheric CO2 samples have been collected by the Trondheim Radiocarbon Laboratory since the 1960s. The remaining material from the measurements has been precipitated as CaCO3 and stored in glass containers. We investigated ...
    • RADIOCARBON STEP-COMBUSTION OXIDATION METHOD and FTIR ANALYSIS of TRONDHEIM CaCO<inf>3</inf>PRECIPITATES of ATMOSPHERIC CO<inf>2</inf>SAMPLES: FURTHER INVESTIGATIONS and INSIGHTS 

      Santos, Guaciara M.; Leong, Christopher A.; Grootes, Pieter Meiert; Seiler, Martin Thomas; Svarva, Helene Løvstrand; Nadeau, Marie-Josee (Journal article; Peer reviewed, 2023)
      Eight atmospheric carbon dioxide samples (as calcium carbonate—CaCO3—precipitates) from Lindesnes site (58ºN, 7ºE), belonging to 1963 and 1980 (four samples from each year) and stored at the National Laboratory for Age ...
    • Regional Patterns of Late Medieval and Early Modern European Building Activity Revealed by Felling Dates 

      Ljungqvist, Fredrik Charpentier; Seim, Andrea; Tegel, Willy; Krusic, Paul J.; Baittinger, Claudia; Belingard, Christelle; Bernabei, Mauro; Bonde, Niels; Borghaerts, Paul; Couturier, Yann; Crone, Anne; van Daalen, Sjoerd; Daly, Aoife; Doeve, Petra; Domínguez-Delmás, Marta; Edouard, Jean-Louis; Frank, Thomas; Ginzler, Christian; Grabner, Michael; Gschwind, Friederike M.; Haneca, Kristof; Hansson, Anton; Herzig, Franz; Heussner, Karl-Uwe; Hofmann, Jutta; Houbrechts, David; Kaczka, Ryszard J.; Kolář, Tomáš; Kontic, Raymond; Kyncl, Tomáš; Labbas, Vincent; Lagerås, Per; Le Digol, Yannick; Le Roy, Melaine; Leuschner, Hanns Hubert; Linderson, Hans; Ludlow, Francis; Marais, Axel; Mills, Coralie M.; Neyses-Eiden, Mechthild; Nicolussi, Kurt; Perrault, Christophe; Pfeifer, Klaus; Rybníček, Michal; Rzepecki, Andreas; Schmidhalter, Martin; Seifert, Mathias; Shindo, Lisa; Spyt, Barbara; Susperregi, Josué; Svarva, Helene Løvstrand; Thun, Terje; Walder, Felix; Ważny, Tomasz; Werthe, Elise; Westphal, Thorsten; Wilson, Rob; Büntgen, Ulf (Peer reviewed; Journal article, 2022)
      Although variations in building activity are a useful indicator of societal well-being and demographic development, historical datasets for larger regions and longer periods are still rare. Here, we present 54,045 annually ...
    • Selecting habitat to survive: The impact of road density on survival in a large carnivore 

      Basille, Mathieu; Van Moorter, Bram F. A.; Herfindal, Ivar; Martin, Jodie; Linnell, John Durrus; Odden, John; Andersen, Reidar; Gaillard, Jean-Michel (Journal article; Peer reviewed, 2013)
      Habitat selection studies generally assume that animals select habitat and food resources at multiple scales to maximise their fitness. However, animals sometimes prefer habitats of apparently low quality, especially when ...
    • Status Report of the Trondheim Radiocarbon Laboratory 

      Seiler, Martin; Grootes, Pieter Meiert; Haarsaker, John Øystein; Lelu, Sylvie; Rzadeczka-Juga, Izabela; Stene, Sølvi; Svarva, Helene Løvstrand; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée (Journal article; Peer reviewed, 2019)
      The Trondheim radiocarbon (14C) laboratory has evolved from a traditional radiocarbon decay counting laboratory to an accelerator mass spectrometry (AMS) facility primarily measuring 14C. This evolution required adjustments ...
    • Teacher time outs in rehearsals: in‑service teachers learning ambitious mathematics teaching practices 

      Wæge, Kjersti; Fauskanger, Janne (Peer reviewed; Journal article, 2020)
      The article focuses on rehearsals as part of a practice-based approach to professional development. Fourteen Norwegian elementary in-service teachers (ISTs) collaborate in learning cycles of enactment and investigation, ...
    • The 1953-1965 rise in atmospheric bomb 14C in central Norway 

      Svarva, Helene Løvstrand; Grootes, Pieter Meiert; Seiler, Martin; Stene, Sølvi; Thun, Terje; Værnes, Einar; Nadeau, Marie-Josée (Journal article; Peer reviewed, 2019)
      Sub-annual measurements, eight increments per year, of cellulose in a Scots pine tree growing in central Norway are presented as a proxy for tropospheric 14CO2 at biweekly to monthly resolution. The results are validated ...
    • The next generation fungal diversity researcher 

      Grube, Martin; Gaya, Ester; Kauserud, Håvard; Smith, Adrian M.; Avery, Simon V.; Fernstad, Sara F.; Muggia, Lucia; Martin, Michael D.; Eivindsen, Tove; Kõljalg, Urmas; Bendiksby, Mika (Journal article; Peer reviewed, 2017)
      Fungi are more important to our lives than is assumed by the general public. They can comprise both devastating pathogens and plant-associated mutualists in nature, and several species have also become important workhorses ...
    • Tree-ring growth shows that the significant population decline in Norway began before the Black Death 

      Thun, Terje; Svarva, Helene Løvstrand (Journal article; Peer reviewed, 2017)
      The Black Death (1349–1350 in Norway) is often cited as the cause of a severe population decline and building hiatus in the middle of the 14th century. This paper analyses this hypothesis by matching the Black Death with ...
    • Unravelling the history of a venetian antiphonary 

      Rzadeczka-Juga, Izabela; Nadeau, Marie-Josee; Juga, Pjotr; Zurbach, Damaris; Grootes, Pieter M; Svarva, Helene Løvstrand; Seiler, Martin Thomas (Journal article; Peer reviewed, 2023)
      We present the results of a multifaceted study of an antiphonary—liturgical song book—presumably made in Venice in 1607, now in the Ringve, National Music Museum of Norway in Trondheim1. The book is hand-sewn on raised ...