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    • BioTIME: A database of biodiversity time series for the Anthropocene 

      Dornelas, Maria; Antao, Laura H.; Moyes, Faye; Bates, Amanda E.; Magurran, Anne E.; Adam, Dusan; Akhmetzhanova, Asem A.; Appeltans, Ward; Arcos, Jose Manuel; Arnold, Haley; Ayyappan, Narayanan; Badihi, Gal; Baird, Andres H.; Barbosa, Miguel; Barreto, Tiago Egydio; Bässler, Claus; Bellgrove, Alecia; Belmaker, Jonathan; Benedetti-Cecchi, Lisandro; Bett, Brian J.; Bjorkman, Anne D.; Błazewicz, Magdalena; Blowes, Shane A.; Bloch, Christopher P.; Bonebrake, Timothy C.; Boyd, Susan; Bradford, Matt; Brooks, Andrew J.; Brown, James H.; Bruelheide, Helge; Budy, Phaedra; Carvalho, Fernando; Castaneda-Moya, Edward; Chen, Chaolun Allen; Chamblee, John F.; Chase, Tory J.; Collier, Laura Siegwart; Cooper, Elisabeth J.; Cornelissen, J. Hans C.; Cotano, Unai; Crow, Shannan Kyle; Damasceno, Gabriella; Davies, Claire H.; Davis, Robert A.; Day, Frank P.; Degraer, Steven; Doherty, Tim S.; Dunn, Timothy E.; Durigan, Giselda; Duffy, J. Emmett; Edelist, Dor; Edgar, Graham J.; Elahi, Robin; Elmendorf, Sarah C.; Enemar, Anders; Ernest, S. K. Morgan; Escribano, Rubén; Estiarte, Marc; Evans, Brian S.; Fan, Tung-Yun; Farah, Fabiano Turini; Fernandes, Luiz Loureiro; Fábio, Z. Farneda; Fidelis, Alessandra; Fitt, Robert; Fosaa, Anna Maria; Franco, Geraldo Antonio Daher Correa; Frank, Grace E.; Fraser, William R.; García, Hernando; Gatti, Roberto Cazzolla; Givan, Or; Gorgone-Barbosa, Elizabeth; Gould, William A.; Gries, Corinna; Grossman, Gary D.; Gutierréz, Julio R.; Hale, Stephen; Harmon, Mark E.; Harte, John; Haskins, Gary; Henshaw, Donald L.; Hermanutz, Luise; Hidalgo, Pamela; Higuchi, Pedro; Hoey, Andrew; Hoey, Gert Van; Hofgaard, Annika; Holeck, Kristen; Hollister, Robert D.; Holmes, Richard; Hoogenboom, Mia; Hsieh, Chih-hao; Hubbell, Stephen P.; Huettmann, Falk; Huffard, Christine L.; Hurlbert, Allen H.; Ivanauskas, Natália Macedo; Janík, David; Jandt, Ute; Jazdzewska, Anna; Johannessen, Tore; Johnstone, Jill; Jones, Julia; Jones, Faith A. M.; Kang, Jungwon; Kartawijaya, Tasrif; Keeley, Erin C.; KElt, Douglas A.; Kinnear, Rebecca; Klanderud, Kari; Knutsen, Halvor; Koenig, Christopher C.; Kortz, Alessandra R.; Král, KAmil; Kuhnz, Linda A.; Kuo, Chao-Yang; Kushner, David J.; Laguionie-Marchais, Claire; Lancaster, Lesley T.; Lee, Cheol Min; Lefcheck, Jonathan S.; Lévesque, Esther; Lightfoot, DAvid; Lloret, Francisco; Lloyd, John D.; López-Baucells, Adrià; Louzao, Maite; Madin, Joshua S.; Magnússon, BorgÞór; Malmud, Shahar; Matthews, Iain; McFarland, Kent P.; McGill, Brian; McKnight, Diane; McLarney, William O.; Meador, Jason; Meserve, Peter L.; Metcalfe, Daniel J.; Meyer, Christoph F. J.; Michelsen, Anders; Milchakova, Nataliya; Moens, Tom; Moland, Even; Moore, Jon; Moreira, Carolina Mathias; Müller, Jörg; Murphy, Grace; Myers-Smith, Isla H.; Myster, Randall W.; Naumov, Andrew; Neat, Francis; Nelson, James A.; Nelson, Michael Paul; Newton, Stephen F.; Norden, Natalia; Oliver, Jeffrey C.; Olsen, Esben M.; Onipchenko, Vladimir G.; Pabis, Krzysztof; Pabst, Robert J.; Paquette, Alain; Pardede, Sinta; Paterson, David M.; Péllisier, Raphaël; Peñuelas, Josep; Pérez-Matus, Alejandro; Pizarro, Oscar; Pomati, Francesco; Post, Eric; Prins, Herbert H. T.; Priscu, John C.; Provoost, Pieter; Prudic, Kathleen L.; Pulliainen, Erkki; Ramesh, B. R.; Ramos, Olivia Mendivil; Rassweiler, Andrew; Rebelo, Jose Eduardo; Reed, Daniel C.; Reich, Peter B.; Remillard, Suzanne M.; Richardson, Anthony J.; Richardson, J. Paul; Rijn, Itai van; Rocha, Ricardo; Rivera-Monroy, Victor H.; Rixen, Christian; Robinson, Kevin P.; Rodrigues, Ricardo Ribeiro; Rossa-Feres, Denise de Cerqueira; Rudstam, Lars; Ruhl, Henry; Ruz, Catalina S.; Sampaio, Erica M.; Rybicki, Nancy; Rypel, Andrew; Sal, Sofia; Salgado, Beatriz; Santos, Flavio A. M.; Savassi-Coutinho, Ana Paula; Scanga, Sara; Schmidt, Jochen; Schooley, Robert; Setiawan, Fakhrizal; Shao, Kwang-Tsao; Shaver, Gaius R.; Sherman, Sally; Sherry, Thomas W.; Sicinski, Jacek; Sievers, Caya; Silva, Ana Carolina da; Silva, Fernando Rodrigues da; Silveira, Fabio L.; Slingsby, Jasper; Smart, Tracey; Snell, Sara J.; Soudzilovskaia, Nadejda A.; Souza, Gabriel B. G.; Souza, Flaviana Maluf; Souza, Vinícius Castro; Stallings, Christopher D.; Stanforth, Rowan; Stanley, Emily H.; Sterza, José Mauro; Stevens, Maarten; Stuart-Smith, Rick; Suarez, Yzel Rondon; Supp, Sarah; Tamashiro, Jorge Yoshio; Tarigan, Sukmaraharja; Thieda, Gary P.; Thorn, Simon; Tolvanen, Anne; Toniato, Maria Teresa Zugliani; Totland, Ørjan; Twilley, Robert R.; Vaitkus, Gediminas; Valdivia, Nelson; Vallejo, Martha Isabel; Valone, Thomas J.; Colen, Carl Van; Vanaverbeke, Jan; Venturoli, Fabio; Verheye, Hans M.; Vianna, Marcelo; Vieira, Rui P.; Vrska, Tomás; Vu, Con Quang; Vu, Lien Van; Waide, Robert B.; Waldock, Conor; Watts, Dave; Webb, Sara; Wesolowski, Tomasz; White, Ethan P.; Widdicombe, Claire E.; Wilgers, Dustin; Williams, Richard; Williams, Stefan B.; Williamson, Mark; Willig, Michael R.; Willis, Trevor J.; Wipf, Sonja; Woods, Kerry D.; Woehler, Eric J.; Zawada, Kyle; Zettler, Michael L. (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-24)
      <p><i>Motivation</i>: The BioTIME database contains raw data on species identities and abundances in ecological assemblages through time. These data enable users to calculate temporal trends in biodiversity within and amongst assemblages using a broad range of metrics. BioTIME is being developed as a community‐led open‐source database of biodiversity time series. Our goal is to accelerate and ...

    • Can bryophyte groups increase functional resolution in tundra ecosystems? 

      Lett, Signe; Jonsdottir, Ingibjorg Svala; Cooper, Elisabeth; Becker-Scarpitta, Antoine; Christiansen, Casper T.; During, Heinjo; Ekelund, Flemming; Henry, Gregory H. R.; Lang, Simone I.; Michelsen, Anders; Rousk, Kathrin; Alatalo, Juha M.; Betway, Katlyn R.; Busca, Sara; Callaghan, Terry; Carbognani, Michele; Cornelissen, Hans C.; Dorrepaal, Ellen; Egelkraut, Dagmar; Elumeeva, Tatiana G.; Hollister, Robert D.; Jägerbrand, Annika K.; Keuper, Frida; Klanderud, Kari; Lévesque, Esther; Liu, Xin; May, Jeremy; Michel, Pascale; Mörsdorf, Martin; Petraglia, Alessandro; Rixen, Christian; Robroek, Bjorn J.M.; Rzepczynska, Agnieszka M.; Soudzilovskaia, Nadeja A.; Tolvanen, Anne; Vandvik, Vigdis; Volkov, Igor; Volkova, Irina; van Zuijlen, Kristel (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-30)
      The relative contribution of bryophytes to plant diversity, primary productivity, and ecosystem functioning increases towards colder climates. Bryophytes respond to environmental changes at the species level, but because bryophyte species are relatively difficult to identify, they are often lumped into one functional group. Consequently, bryophyte function remains poorly resolved. Here, we explore ...

    • Can bryophyte groups increase functional resolution in tundra ecosystems? 

      Lett, Signe; Jónsdóttir, Ingibjörg Svala; Becker-Scarpitta, Antoine; Christiansen, Casper T.; During, Heinjo; Ekelund, Flemming; Henry, Greg H.R.; Lang, Simone; Michelsen, Anders; Rousk, Kathrin; Alatalo, Juha; Betway, Katlyn Rose; Busca, Sara; Callaghan, Terry; Carbognani, Michele; Cooper, Elisabeth J.; Cornelissen, J. Hans C.; Dorrepaal, Ellen; Egelkraut, Dagmar Dorothea; Elumeeva, Tatiana G.; Haugum, Siri Vatsø; Hollister, Robert D.; Jägerbrand, Annika K.; Keuper, Frida; Klanderud, Kari; Lévesque, Esther; Liu, Xin; May, Jeremy L.; Michel, Pascale; Mörsdorf, Martin; Petraglia, Alessandro; Rixen, Christian; Robroek, Bjorn J.M.; Rzepczynska, Agnieszka M.; Soudzilovskaia, Nadejda A.; Tolvanen, Anne; Vandvik, Vigdis; Volkov, Igor; Volkova, Irina; van Zuijlen, Kristel (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-30)
      The relative contribution of bryophytes to plant diversity, primary productivity, and ecosystem functioning increases towards colder climates. Bryophytes respond to environmental changes at the species level, but because bryophyte species are relatively difficult to identify, they are often lumped into one functional group. Consequently, bryophyte function remains poorly resolved. Here, we explore ...

    • Experimental warming differentially affects vegetative and reproductive phenology of tundra plants 

      Collins, Courtney G.; Elmendorf, Sarah C.; Hollister, Robert D.; Henry, Greg H. R.; Clark, Karin; Bjorkman, Anne D.; Myers-Smith, Isla H.; Prevéy, Janet S.; Ashton, Isabel W.; Assmann, Jakob J.; Alatalo, Juha M.; Carbognani, Michele; Chisholm, Chelsea L.; Cooper, Elisabeth J.; Forrester, Chiara; Jónsdóttir, Ingibjörg Svala; Klanderud, Kari; Kopp, Christopher W.; Livensperger, Carolyn; Mauritz, Marguerite; May, Jeremy L.; Molau, Ulf; Oberbauer, Steven F.; Ogburn, Emily; Panchen, Zoe A.; Petraglia, Alessandro; Post, Eric; Rixen, Christian; Rodenhizer, Heidi; Schuur, Edward A.G.; Semenchuk, Philipp; Smith, Jane G.; Steltzer, Heidi; Totland, Ørjan; Walker, Marilyn D.; Welker, Jeffrey M.; Suding, Katharine N. (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-11)
      Rapid climate warming is altering Arctic and alpine tundra ecosystem structure and function, including shifts in plant phenology. While the advancement of green up and flowering are well-documented, it remains unclear whether all phenophases, particularly those later in the season, will shift in unison or respond divergently to warming. Here, we present the largest synthesis to our knowledge of ...

    • A review of open top chamber (OTC) performance across the ITEX Network 

      Hollister, Robert D.; Elphinstone, Cassandra; Henry, Greg H.R.; Bjorkman, Anne D.; Klanderud, Kari; Björk, Robert G.; Björkman, Mats P.; Bokhorst, Stef; Carbognani, Michele; Cooper, Elisabeth; Dorrepaal, Ellen; Elmendorf, Sarah C.; Fetcher, Ned; Gallois, Elise C.; Gudmundsson, Jon Steinar; Healey, Nathan C.; Jonsdottir, Ingibjorg Svala; Klarenberg, Ingeborg J.; Oberbauer, Steven F.; Macek, Petr; May, Jeremy L.; Mereghetti, Alessandro; Molau, Ulf; Petraglia, Alessandro; Rinnan, Riikka; Rixen, Christian; Wookey, Philip A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-19)
      Open top chambers (OTCs) were adopted as the recommended warming mechanism by the International Tundra Experiment (ITEX) network in the early 1990’s. Since then, OTCs have been deployed across the globe. Hundreds of papers have reported the impacts of OTCs on the abiotic environment and the biota. Here we review the impacts of the OTC on the physical environment, with comments on the appropriateness ...

    • Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across arctic and alpine tundra 

      Jeanbille, Mathilde; Clemmensen, Karina E; Juhanson, Jaanis; Michelsen, Anders; Cooper, Elisabeth J.; Henry, Greg H.R.; Hofgaard, Annika; Hollister, Robert D.; Jónsdóttir, Ingibjörg Svala; Klanderud, Kari; Tolvanen, Anne; Hallin, Sara (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-01)
      Vegetation change of the Arctic tundra due to global warming is a well-known process, but the implication for the belowground microbial communities, key in nutrient cycling and decomposition, is poorly understood. We characterized the fungal and bacterial abundances in litter and soil layers across 16 warming experimental sites at 12 circumpolar locations. We investigated the relationship between ...

    • Stay or go – how topographic complexity influences alpine plant population and community responses to climate change 

      Graae, Bente Jessen; Vandvik, Vigdis; Armbruster, W. Scott; Eiserhardt, Wolf L.; Svenning, Jens-Christian; Hylander, Kristoffer; Ehrlén, Johan; Speed, James D.M.; Klanderud, Kari; Bråthen, Kari Anne; Milbau, Ann; Opedal, Øystein Hjorthol; Alsos, Inger G.; Ejrnæs, Rasmus; Bruun, Hans Henrik; Birks, H. John B.; Westergaard, Kristine Bakke; Birks, Hilary H; Lenoir, Jonathan (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-11)
      In the face of climate change, populations have two survival options − they can remain in situ and tolerate the new climatic conditions (“stay”), or they can move to track their climatic niches (“go”). For sessile and small-stature organisms like alpine plants, staying requires broad climatic tolerances, realized niche shifts due to changing biotic interactions, acclimation through plasticity, or ...

    • The tundra phenology database: more than two decades of tundra phenology responses to climate change 

      Prevéy, Janet; Elmendorf, Sarah; Cooper, Elisabeth; Bjorkman, Anne; Alatalo, Juha M.; Ashton, Isabel; Björk, Mats P.; Assmann, Jakob J.; Björk, Robert G.; Björkman, Mats P.; Cannone, Nicoletta; Carbognani, Michele; Chisholm, Chelsea; Clark, Karin; Collins, Courtney G.; Elberling, Bo; Frei, Esther R.; Henry, Gregory R.H.; Hollister, Robert D.; Høye, Toke Thomas; Jonsdottir, Ingibjörg Svala; Kerby, Jeffrey T.; Klanderud, Kari; Kopp, Christopher; Levesque, Esther; Mauritz, Marguerite; Molau, Ulf; Myers-smith, Isla H.; Natali, Susan M.; Oberbauer, Steven F.; Panchen, Zoe; Petraglia, Alessandro; Post, Eric; Rixen, Christian; Rodenhizer, Heidi; Rumpf, Sabine B.; Schmidt, Niels Martin; Schuur, Ted; Semenchuk, Philipp; Smith, Jane Griffin; Suding, Katharine; Totland, Ørjan; Troxler, Tiffany; Wahren, Henrik; Welker, Jeffrey M.; Wipf, Sonja; Yang, Yue (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-05-11)
      Observations of changes in phenology have provided some of the strongest signals of the effects of climate change on terrestrial ecosystems. The International Tundra Experiment (ITEX), initiated in the early 1990s, established a common protocol to measure plant phenology in tundra study areas across the globe. Today, this valuable collection of phenology measurements depicts the responses of ...