Blar i forfatter "Weijers, Stef"

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    • Deepened winter snow increases stem growth and alters stem δ13C and δ15N in evergreen dwarf shrub Cassiope tetragona in high-arctic Svalbard tundra 

      Blok, Daan; Weijers, Stef; Welker, Jeffrey M.; Cooper, Elisabeth J.; Michelsen, Anders; Löffler, Jörg; Elberling, Bo (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-04-14)
      Abstract Deeper winter snow is hypothesized to favor shrub growth and may partly explain the shrub expansion observed in many parts of the arctic during the last decades, potentially triggering biophysical feedbacks including regional warming and permafrost thawing.Weexperimentally tested the effects of winter snow depth on shrub growth and ecophysiology by measuring stem length and stem hydrogen ...

    • Plant functional trait change across a warming tundra biome 

      Bjorkman, Anne D.; Myers-Smith, Isla H.; Elmendorf, Sarah C.; Normand, Signe; Rüger, Nadja; Beck, Pieter S. A.; Blach-Overgaard, Anne; Blok, Daan; Cornelissen, J. Hans C.; Forbes, Bruce C.; Georges, Damien; Goetz, Scott J.; Guay, Kevin C.; Henry, Gregory H.R.; HilleRisLambers, Janneke; Hollister, Robert D.; Karger, Dirk N.; Kattge, Jens; Manning, Peter; Prevéy, Janet S.; Rixen, Christian; Schaepman-Strub, Gabriela; Thomas, Haydn J.D.; Vellend, Mark; Wilmking, Martin; Wipf, Sonja; Carbognani, Michele; Hermanutz, Luise; Lévesque, Esther; Molau, Ulf; Petraglia, Alessandro; Soudzilovskaia, Nadejda A.; Spasojevic, Marko J.; Tomaselli, Marcello; Vowles, Tage; Alatalo, Juha M.; Alexander, Heather D.; Anadon-Rosell, Alba; Angers-Blondin, Sandra; te Beest, Mariska; Berner, Logan; Björk, Robert G.; Buchwal, Agata; Buras, Allan; Christie, Katherine; Cooper, Elisabeth J.; Dullinger, Stefan; Elberling, Bo; Eskelinen, Anu; Frei, Esther R.; Grau, Oriol; Grogan, Paul; Hallinger, Martin; Semenschuk, Philipp; Speed, James David Mervyn; Hofgaard, Annika; Collier, Laura S.; Garcia, Maitane I.; Harper, Karen; Heijmans, Monique; Hudson, James; Hülber, Karl; Iversen, Colleen M.; Jaroszynska, Francesca; Johnstone, Jill; Jorgensen, Rasmus H.; Kaarlejärvi, Elina; Klady, Rebecca; Kuleza, Sara; Kulonen, Aino; Lamarque, Laurent J.; Lantz, Trevor; Lavalle, Amanda; Little, Chelsea J.; Speed, James D. M.; Michelsen, Anders; Milbau, Ann; Nabe-Nielsen, Jacob; Nielsen, Sigrid S.; Ninot, Josep M.; Oberbauer, Steve; Olofsson, Johan; Onipchenko, Vladimir G.; Rumpf, Sabine B; Semenchuk, Philipp; Shetti, Rohan; Street, Lorna; Suding, Katharine; Tape, Ken; Trant, Andrew; Treier, Urs; Tremblay, Jean-Pierre; Tremblay, Maxime; Venn, Susanna; Weijers, Stef; Zamin, Tara; Boulanger-Lapointe, Noemie; Gould, William A.; Hik, Dave; Hofgaard, Annika; Jonsdottir, Inga S.; Jorgenson, Janet; Klein, Julia; Magnusson, Borgthor; Tweedie, Craig; Wookey, Philip A.; Bahn, Michael; Blonder, Benjamin; van Bodegom, Peter; Bond-Lamberty, Benjamin; Campetella, Giandiego; Cerabolini, Bruno E. L.; Chapin III, F. Stuart; Cornwell, Will; Craine, Joseph; Dainese, Matteo; de Vries, Franciska T.; Diaz, Sandra; Enquist, Brian J.; Green, Walton; Manning, Peter; Milla, Ruben; Niinemets, Ülo; Onoda, Yusuke; Ordonez, Jenny; Ozinga, Wim A.; Penuelas, Josep; Poorter, Hendrik; Poschlod, Peter; Reich, Peter; Sandel, Brody; Schamp, Brandon; Sheremetev, Serge; Weiher, Evan (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-09-26)
      The tundra is warming more rapidly than any other biome on Earth, and the potential ramifications are far-reaching because of global feedback effects between vegetation and climate. A better understanding of how environmental factors shape plant structure and function is crucial for predicting the consequences of environmental change for ecosystem functioning. Here we explore the biome-wide relationships ...

    • Tundra Trait Team: A database of plant traits spanning the tundra biome 

      Bjorkman, Anne D.; Myers-Smith, Isla H.; Elmendorf, Sarah C.; Normand, Signe; Thomas, Haydn J.D.; Alatalo, Juha M.; Alexander, Heather; Anadon-Rosell, Alba; Angers-Blondin, Sandra; Bai, Yang; Baruah, Gaurav; te Beest, Mariska; Berner, Logan; Björk, Robert G.; Blok, Daan; Bruelheide, Helge; Buchwal, Agata; Buras, Allan; Carbognani, Michele; Christie, Katherine; Collier, Laura Siegwart; Cooper, Elisabeth J.; Cornelissen, J. Hans C.; Dickinson, Katharine J.M.; Dullinger, Stefan; Elberling, Bo; Eskelinen, Anu; Forbes, Bruce C.; Frei, Esther R.; Iturrate-Garcia, Maitane; Good, Megan K.; Grau, Oriol; Green, Peter; Greve, Michelle; Grogan, Paul; Haider, Sylvia; Hájek, Tomáš; Hallinger, Martin; Happonen, Konsta; Harper, Karen A.; Heijmans, Monicque M.P.D.; Henry, Gregory H.R.; Hermanutz, Luise; Hewitt, Rebecca E.; Hollister, Robert D.; Hudson, James; Hülber, Karl; Iversen, Colleen M.; Jaroszynska, Francesca; Jiménez-Alfaro, Borja; Johnstone, Jill; Jørgensen, Rasmus Halfdan; Kaarlejärvi, Elina; Klady, Rebecca; Klimešová, Jitka; Korsten, Annika; Kuleza, Sara; Kulonen, Aino; Lamarque, Laurent J.; Lantz, Trevor; Lavalle, Amanda; Lembrechts, Jonas J.; Lévesque, Esther; Little, Chelsea J.; Luoto, Miska; Macek, Petr; Mack, Michelle C.; Mathakutha, Rabia; Michelsen, Anders; Milbau, Ann; Molau, Ulf; Morgan, John W.; Mörsdorf, Martin Alfons; Nabe-Nielsen, Jacob; Nielsen, Sigrid Schøler; Ninot, Josep M.; Oberbauer, Steven F.; Olofsson, Johan; Onipchenko, Vladimir G.; Petraglia, Alessandro; Pickering, Catherine; Prevéy, Janet S.; Rixen, Christian; Rumpf, Sabine Bettina; Schaepman-Strub, Gabriela; Semenchuk, Philipp; Shetti, Rohan; Soudzilovskaia, Nadejda A.; Spasojevic, Marko J.; Speed, James David Mervyn; Street, Lorna E.; Suding, Katharine; Tape, Ken D.; Tomaselli, Marcello; Trant, Andrew; Treier, Urs A.; Tremblay, Jean-Pierre; Tremblay, Maxime; Venn, Susanna; Virkkala, Anna-Maria; Vowles, Tage; Weijers, Stef; Wilmking, Martin; Wipf, Sonja; Zamin, Tara (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-22)
      <p><i>Motivation</i>: The Tundra Trait Team (TTT) database includes field‐based measurements of key traits related to plant form and function at multiple sites across the tundra biome. This dataset can be used to address theoretical questions about plant strategy and trade‐offs, trait–environment relationships and environmental filtering, and trait variation across spatial scales, to validate satellite ...