Browsing Bergen Open Research Archive by Author "Gya, Ragnhild"

Now showing items 1-13 of 13

    • Disentangling effects and context dependencies of climate change on alpine plants 

      Gya, Ragnhild (Doctoral thesis, 2022-12-02)
      Klimaendringer byr på nye utfordringer for fjellplanter, og påvirker dem både direkte gjennom å endre fysiologiske prosesser, og indirekte gjennom endringer i interaksjoner mellom planter. Disse indirekte effektene kan ...

    • From a crisis to an opportunity: Eight insights for doing science in the COVID‐19 era and beyond 

      Chacón-Labella, Julia; Boakye, Mickey; Enquist, Brian J.; Farfan-Rios, William; Gya, Ragnhild; Halbritter Rechsteiner, Aud Helen; Middleton, Sara L.; von Oppen, Jonathan; Pastor-Ploskonka, Samuel; Strydom, Tanya; Vandvik, Vigdis; Geange, Sonya Rita (Journal article; Peer reviewed, 2020)
      The COVID-19 crisis has forced researchers in Ecology to change the way we work almost overnight. Nonetheless, the pandemic has provided us with several novel components for a new way of conducting science. In this perspective ...

    • Functional traits of alpine plant communities show long-term resistance to changing herbivore densities 

      Vuorinen, Katariina Elsa Maria; Austrheim, Gunnar; Mysterud, Atle; Gya, Ragnhild; Vandvik, Vigdis; Grytnes, John Arvid; Speed, James David Mervyn (Journal article; Peer reviewed, 2021)
      Herbivores shape vegetation by suppressing certain plant species while benefitting others. By thus modifying plant species functional composition, herbivores affect carbon cycling, albedo, vegetation structure and species' ...

    • Germination and seedling growth of Calluna vulgaris is sensitive to regional climate, heathland succession, and drought 

      Birkeli, Kristine; Gya, Ragnhild; Haugum, Siri Vatsø; Velle, Liv Guri; Vandvik, Vigdis (Journal article; Peer reviewed, 2023)
      The coastal heathlands of Northwest Europe are highly valued cultural landscapes, that are critically endangered due to land use and climatic changes, such as increased frequency and severity of drought events. Our study ...

    • The handbook for standardized field and laboratory measurements in terrestrial climate change experiments and observational studies (ClimEx) 

      Halbritter Rechsteiner, Aud Helen; De Boeck, Hans J.; Eycott, Amy Elizabeth; Reinsch, Sabine; Robinson, David A.; Vicca, Sara; Berauer, Bernd; Christiansen, Casper Tai; Estiarte, Marc; Grünzweig, José M.; Gya, Ragnhild; Hansen, Karin; Jentsch, Anke; Lee, Hanna; Linder, Sune; Marshall, John; Peñuelas, Josep; Schmidt, Inger Kappel; Stuart-Haëntjens, Ellen; Wilfahrt, Peter; Vandvik, Vigdis; Abrantes, Nelson; Almagro, María; Althuizen, Inge; Barrio, Isabel C.; te Beest, Mariska; Beier, Claus; Beil, Iilka; Berry, Z. Carter; Birkemoe, Tone; Bjerke, Jarle W.; Blonder, Benjamin; Blume-Werry, Gesche; Bohrer, Gil; Campos, Isabel; Cernusak, Lucas S.; Chojnicki, Bogdan H.; Cosby, Bernhard J.; Dickman, Lee T.; Djukic, Ika; Filella, Iolanda; Fuchslueger, Lucia; Gargallo-Garriga, Albert; Gillespie, Mark Andrew; Goldsmith, Gregory R.; Gough, Christopher; Halliday, Fletcher W.; Hegland, Stein Joar; Hoch, Gunter; Holub, Petr; Jaroszynska, Francesca Orinda Holl; Johnson, Daniel M.; Jones, Scott B.; Kardol, Paul; Keizer, Jan J.; Klem, Karel; Konestabo, Heidi Sjursen; Kreyling, Jürgen; Kröel-Dulay, György; Landhäusser, Simon M.; Larsen, Klaus S.; Leblans, Niki; Lebron, Inma; Lehmann, Marco M.; Lembrechts, Jonas J.; Lenz, Armando; Linstädter, Anja; Llusià, Joan; Macias-Fauria, Marc; Malyshev, Andrey V.; Mänd, Pille; Marshall, Miles; Matheny, Ashley M.; McDowell, Nate; Meier, Ina C.; Meinzer, Frederick C.; Michaletz, Sean T.; Miller, Megan L.; Muffler, Lena; Oravec, Michal; Ostonen, Ivika; Porcar-Castell, Albert; Preece, Catherine; Prentice, Iain C.; Radujković, Dajana; Ravolainen, Virve; Ribbons, Relena; Ruppert, Jan C.; Sack, Lawren; Sardans, Jordi; Schindlbacher, Andreas; Scoffoni, Christine; Sigurdsson, Bjarni D.; Smart, Simon M; Smith, Stuart; Soper, Fiona; Speed, James David Mervyn; Sverdrup-Thygeson, Anne; Sydenham, Markus A. K.; Taghizadeh-Toosi, Arezoo; Telford, Richard J.; Tielborger, Katja; Töpper, Joachim Paul; Urban, Otmar; van der Ploeg, Martine; Van Langenhove, Leandro; Večeřová, Kristýna; Ven, Arne; Verbruggen, Erik; Vik, Unni; Weigel, Robert; Wohlgemuth, Thomas; Wood, Lauren K.; Zinnert, Julie; Zurba, Kamal (Peer reviewed; Journal article, 2019-11-05)
      1. Climate change is a world‐wide threat to biodiversity and ecosystem structure, functioning and services. To understand the underlying drivers and mechanisms, and to predict the consequences for nature and people, we ...

    • Next-generation field courses: Integrating Open Science and online learning 

      Geange, Sonya Rita; von Oppen, Jonathan; Strydom, Tanya; Boakye, Mickey; Gauthier, Tasha-Leigh J.; Gya, Ragnhild; Halbritter Rechsteiner, Aud Helen; Jessup, Laura H.; Middleton, Sara L.; Navarro, Jocelyn; Peirfederici, Maria Elisa; Chacón-Labella, Julia; Cotner, Sehoya Harris; Farfan-Rios, William; Maitner, Brian S.; Michaletz, Sean T.; Telford, Richard; Enquist, Brian J.; Vandvik, Vigdis (Journal article; Peer reviewed, 2021)
      As Open Science practices become more commonplace, there is a need for the next generation of scientists to be well versed in these aspects of scientific research. Yet, many training opportunities for early career researchers ...

    • Plant traits and vegetation data from climate warming experiments along an 1100 m elevation gradient in Gongga Mountains, China 

      Vandvik, Vigdis; Halbritter, Aud H.; Yang, Yan; He, Hai; Zhang, Li; Brummer, Alexander B.; Klanderud, Kari; Maitner, Brian S.; Michaletz, Sean T.; Sun, Xiangyang; Telford, Richard J.; Wang, Genxu; Althuizen, Inge H.J.; Henn, Jonathan J.; Erazo Garcia, William Fernando; Gya, Ragnhild; Jaroszynska, Francesca; Joyce, Blake L.; Lehman, Rebecca; Moerland, Michelangelo Sergio; Nesheim-Hauge, Elisabeth; Nordås, Linda Hovde; Peng, Ahui; Ponsac, Claire; Seltzer, Lorah; Steyn, Christien; Sullivan, Megan K.; Tjendra, Jesslyn; Xiao, Yao; Zhao, Xiaoxiang; Enquist, Brian J. (Journal article; Peer reviewed, 2020)
      Functional trait data enhance climate change research by linking climate change, biodiversity response, and ecosystem functioning, and by enabling comparison between systems sharing few taxa. Across four sites along a ...

    • Pollen-chemistry variations along elevation gradients and their implications for a proxy for UV-B radiation in the plant-fossil record 

      Seddon, Alistair William Robin; Festi, Daniela; Nieuwkerk, Mayke; Gya, Ragnhild; Hamre, Børge; Krüger, Linn Cecilie; Hjortland Östman, Silje Andrea; Robson, T. Matthew (Journal article; Peer reviewed, 2021)
      Research indicates that phenolic compounds (e.g. para-coumaric acid) found within pollen grains may be useful as a proxy to reconstruct the UV-B radiation received at the Earth's surface in the geological past. However, ...

    • The role of intraspecific variability in driving community trait shifts along temperature and precipitation gradients in alpine and boreal semi-natural grasslands 

      Gya, Ragnhild (Master thesis, 2017-12-15)
      Climate projections show that western Norway will experience warmer and wetter conditions in the future. Investigations of trait changes with these climatic gradients can be used to understand the responses of species, ...

    • The role of plant functional groups mediating climate impacts on carbon and biodiversity of alpine grasslands 

      Vandvik, Vigdis; Althuizen, Inge; Jaroszynska, Francesca; Krüger, Linn Cecilie; Lee, Hanna; Goldberg, Deborah E.; Klanderud, Kari; Olsen, Siri Lie; Telford, Richard James; Hjortland Östman, Silje Andrea; Busca, Sara; Dahle, Ingrid Johnsen; Egelkraut, Dagmar Dorothea; Geange, Sonya Rita; Gya, Ragnhild; Lynn, Joshua Scott; Meineri, Eric Pierre F; Young, Sherry; Halbritter Rechsteiner, Aud Helen (Journal article; Peer reviewed, 2022)
      Plant removal experiments allow assessment of the role of biotic interactions among species or functional groups in community assembly and ecosystem functioning. When replicated along climate gradients, they can assess ...

    • Taking practical learning in STEM education home: Examples from do‐it‐yourself experiments in plant biology 

      Gya, Ragnhild; Bjune, Anne Elisabeth (Journal article; Peer reviewed, 2021)
      Practical teaching can give authentic learning experiences and teach valuable skills for undergraduate students in the STEM disciplines. One of the main ways of giving students such experiences, laboratory teaching, is met ...

    • A test of local adaptation to drought in germination and seedling traits in populations of two alpine forbs across a 2000 mm/year precipitation gradient 

      Gya, Ragnhild; Geange, Sonya Rita; Lynn, Joshua; Töpper, Joachim Paul; Wallevik, Øystein; Zernichow, Camilla; Vandvik, Vigdis (Journal article; Peer reviewed, 2023)
      Seed regeneration is a critical stage in the life histories of plants, affecting species' abilities to maintain local populations, evolve, and disperse to new sites. In this study, we test for local adaptations to drought ...

    • Traits help explain species' performance away from their climate niche centre 

      Lynn, Joshua; Gya, Ragnhild; Klanderud, Kari; Telford, Richard James; Goldberg, Deborah E.; Vandvik, Vigdis (Journal article; Peer reviewed, 2023)
      Aim: Climate change impacts on biota are variable across sites, among species and throughout individual species' ranges. Niche theory predicts that population performance should decline as site climate becomes increasingly ...