C
Christian Rixen
Researcher at Swiss Federal Institute for Forest, Snow and Landscape Research
Publications - 129
Citations - 11714
Christian Rixen is an academic researcher from Swiss Federal Institute for Forest, Snow and Landscape Research. The author has contributed to research in topics: Snow & Tundra. The author has an hindex of 50, co-authored 119 publications receiving 9366 citations. Previous affiliations of Christian Rixen include University of Zurich & University of Alaska Fairbanks.
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Journal ArticleDOI
Shrub expansion in tundra ecosystems: dynamics, impacts and research priorities
Isla H. Myers-Smith,Isla H. Myers-Smith,Bruce C. Forbes,Martin Wilmking,Martin Hallinger,Trevor C. Lantz,Daan Blok,Ken D. Tape,Marc Macias-Fauria,Ute Sass-Klaassen,Esther Lévesque,Stéphane Boudreau,Pascale Ropars,Luise Hermanutz,Andrew J. Trant,Laura Siegwart Collier,Stef Weijers,Jelte Rozema,Shelly A. Rayback,Niels Martin Schmidt,Gabriela Schaepman-Strub,Sonja Wipf,Christian Rixen,Cécile B. Ménard,Susanna Venn,Scott J. Goetz,Laia Andreu-Hayles,Sarah C. Elmendorf,Virve Ravolainen,Jeffrey M. Welker,Paul Grogan,Howard E. Epstein,David S. Hik +32 more
TL;DR: This article used repeat photography, long-term ecological monitoring and dendrochronology to document shrub expansion in arctic, high-latitude and alpine tundra.
Journal ArticleDOI
Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and time.
Sarah C. Elmendorf,Gregory H. R. Henry,Robert D. Hollister,Robert G. Björk,Anne D. Bjorkman,Terry V. Callaghan,Terry V. Callaghan,Laura Siegwart Collier,Elisabeth J. Cooper,Johannes H. C. Cornelissen,Thomas A. Day,Anna Maria Fosaa,William A. Gould,Jarngerdur Gretarsdottir,John Harte,Luise Hermanutz,David S. Hik,Annika Hofgaard,Frith C. Jarrad,Ingibjörg S. Jónsdóttir,Frida Keuper,Kari Klanderud,Julia A. Klein,Saewan Koh,Gaku Kudo,Simone I. Lang,Val Loewen,Jeremy L. May,Joel Mercado,Anders Michelsen,Ulf Molau,Isla H. Myers-Smith,Steven F. Oberbauer,Sara Pieper,Eric Post,Christian Rixen,Clare H. Robinson,Niels Martin Schmidt,Gaius R. Shaver,Anna Stenström,Anne Tolvanen,Ørjan Totland,Tiffany G. Troxler,Carl-Henrik Wahren,Patrick J. Webber,Jeffery M Welker,Philip A. Wookey +46 more
TL;DR: In this article, a synthesis of 61 experimental warming studies, of up to 20 years duration, in tundra sites worldwide, was used to understand the sensitivity of tundras vegetation to climate warming and to forecast future biodiversity and vegetation feedbacks to climate.
Journal ArticleDOI
Plot-scale evidence of tundra vegetation change and links to recent summer warming.
Sarah C. Elmendorf,Gregory H. R. Henry,Robert D. Hollister,Robert G. Björk,Noémie Boulanger-Lapointe,Elisabeth J. Cooper,Johannes H. C. Cornelissen,Thomas A. Day,Ellen Dorrepaal,Ellen Dorrepaal,Tatiana G. Elumeeva,M.J. Gill,William A. Gould,John Harte,David S. Hik,Annika Hofgaard,D. R. Johnson,Jill F. Johnstone,Ingibjörg S. Jónsdóttir,Janet C. Jorgenson,Kari Klanderud,Julia A. Klein,Saewan Koh,Gaku Kudo,Mark J. Lara,Esther Lévesque,Borgthor Magnusson,Jeremy L. May,Joel A. Mercado-Díaz,Anders Michelsen,Ulf Molau,Isla H. Myers-Smith,Steven F. Oberbauer,Vladimir G. Onipchenko,Christian Rixen,Niels Martin Schmidt,Gaius R. Shaver,Marko J. Spasojevic,Póra Ellen Pórhallsdóttir,Anne Tolvanen,Tiffany G. Troxler,Craig E. Tweedie,Sandra Villareal,Carl Henrik Wahren,Xanthe J. Walker,Xanthe J. Walker,P. J. Webber,Jeffrey M. Welker,Sonja Wipf +48 more
TL;DR: In this paper, remote sensing data indicate that contemporary climate warming has already resulted in increased productivity and increased productivity in the tundra biome (Tundra Tundra Bi biome).
Journal ArticleDOI
Accelerated increase in plant species richness on mountain summits is linked to warming
Manuel J. Steinbauer,Manuel J. Steinbauer,John-Arvid Grytnes,Gerald Jurasinski,Aino Kulonen,Jonathan Lenoir,Harald Pauli,Harald Pauli,Christian Rixen,Manuela Winkler,Manuela Winkler,Manfred Bardy-Durchhalter,Manfred Bardy-Durchhalter,Elena Barni,Anne D. Bjorkman,Anne D. Bjorkman,Frank T. Breiner,Frank T. Breiner,Sarah Burg,Patryk Czortek,Melissa A. Dawes,Anna Delimat,Stefan Dullinger,Brigitta Erschbamer,Vivian A. Felde,Olatz Fernández-Arberas,Kjetil F. Fossheim,Daniel Gómez-García,Damien Georges,Damien Georges,Erlend T. Grindrud,Sylvia Haider,Siri V. Haugum,Hanne Henriksen,María J. Herreros,Bogdan Jaroszewicz,Francesca Jaroszynska,Francesca Jaroszynska,Robert Kanka,Jutta Kapfer,Kari Klanderud,Ingolf Kühn,Ingolf Kühn,Andrea Lamprecht,Andrea Lamprecht,Magalì Matteodo,Umberto Morra di Cella,Signe Normand,Arvid Odland,Siri Lie Olsen,Sara Palacio,Martina Petey,Veronika Piscová,Blazena Sedlakova,Klaus Steinbauer,Klaus Steinbauer,Veronika Stöckli,Jens-Christian Svenning,Guido Teppa,Jean-Paul Theurillat,Pascal Vittoz,Sarah J. Woodin,Niklaus E. Zimmermann,Niklaus E. Zimmermann,Sonja Wipf +64 more
TL;DR: Analysis of changes in plant species richness on mountain summits over the past 145 years suggests that increased climatic warming has led to an acceleration in species richness increase, strikingly synchronized with accelerated global warming.
Journal ArticleDOI
Climate sensitivity of shrub growth across the tundra biome
Isla H. Myers-Smith,Sarah C. Elmendorf,Sarah C. Elmendorf,Pieter S. A. Beck,Martin Wilmking,Martin Hallinger,Daan Blok,Ken D. Tape,Shelly A. Rayback,Marc Macias-Fauria,Bruce C. Forbes,James D. M. Speed,Noémie Boulanger-Lapointe,Christian Rixen,Esther Lévesque,Niels Martin Schmidt,Claudia Baittinger,Andrew J. Trant,Andrew J. Trant,Luise Hermanutz,Laura Siegwart Collier,Melissa A. Dawes,Trevor C. Lantz,Stef Weijers,Rasmus Halfdan Jørgensen,Agata Buchwal,Allan Buras,Adam T. Naito,Virve Ravolainen,Gabriela Schaepman-Strub,Julia A. Wheeler,Sonja Wipf,Kevin C. Guay,David S. Hik,Mark Vellend +34 more
TL;DR: In this article, the authors analyzed circumpolar data from 37 Arctic and alpine sites in 9 countries, including 25 species, and ∼42,000 annual growth records from 1,821 individuals, and demonstrated that the sensitivity of shrub growth to climate was heterogeneous, with European sites showing greater summer temperature sensitivity than North American sites, and higher at sites with greater soil moisture and for taller shrubs (for example, alders and willows) growing at their northern or upper elevational range edges.