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
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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).Abstract:
Temperature is increasing at unprecedented rates across most of the tundra biome(1). Remote-sensing data indicate that contemporary climate warming has already resulted in increased productivity ov ...read more
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Journal ArticleDOI
A gradient of nutrient enrichment reveals nonlinear impacts of fertilization on Arctic plant diversity and ecosystem function.
Case M. Prager,Shahid Naeem,Natalie T. Boelman,Jan U. H. Eitel,Heather E. Greaves,Mary A. Heskel,Troy S. Magney,Duncan N. L. Menge,Lee A. Vierling,Kevin L. Griffin +9 more
TL;DR: The results suggest that while a relatively small amount of nutrient enrichment impacts plant diversity, only relatively large levels of fertilization—over an order of magnitude or more than warming‐induced rates—significantly alter the capacity for tundra CO 2 exchange.
Journal ArticleDOI
Testing the maximum entropy production approach for estimating evapotranspiration from closed canopy shrubland in a low-energy humid environment
TL;DR: In this article, the Leverhulme Trust (project PLATO, RPG-2014-016) and the European Research Council (ERC, project GA 335910 VeWa) for funding.
Journal ArticleDOI
Arctic‐alpine vegetation biomass is driven by fine‐scale abiotic heterogeneity
Susanne Suvanto,Susanne Suvanto,Susanne Suvanto,Peter Christiaan le Roux,Peter Christiaan le Roux,Miska Luoto +5 more
TL;DR: In this article, the effects of abiotic conditions (topography, soil properties and geomorphological processes) on aboveground vascular plant biomass were examined to understand the determinants of contemporary fine-scale heterogeneity in this variable.
Book
The Changing Arctic Environment: The Arctic Messenger
TL;DR: In this paper, the authors discuss the importance of education, the training of Arctic scientists and Arctic research, and the long and short of it: has the Arctic message been noticed?
Journal ArticleDOI
Recent Growth and Expansion of Birch Shrubs Across a Low Arctic Landscape in Continental Canada: Are These Responses More a Consequence of the Severely Declining Caribou Herd than of Climate Warming?
TL;DR: It is suggested that the recent severe caribou herd declines may be at least as significant as climate warming in driving birch shrub expansion in the Canadian central low Arctic.
References
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Controlling the false discovery rate: a practical and powerful approach to multiple testing
Yoav Benjamini,Yosef Hochberg +1 more
TL;DR: In this paper, a different approach to problems of multiple significance testing is presented, which calls for controlling the expected proportion of falsely rejected hypotheses -the false discovery rate, which is equivalent to the FWER when all hypotheses are true but is smaller otherwise.
Book
ggplot2: Elegant Graphics for Data Analysis
TL;DR: This book describes ggplot2, a new data visualization package for R that uses the insights from Leland Wilkisons Grammar of Graphics to create a powerful and flexible system for creating data graphics.
Book Chapter
The Physical Science Basis
E. Jansen,J Overpeck,Keith R. Briffa,J. C. Duplessy,F. Joos,Masson-Delmotte,Daniel Olago,B. Otto-Bliesner,W. R. Peltier,Stefan Rahmstorf,Rengaswamy Ramesh,D Raynud,D Rind,O Solomina,Ricardo Villalba,De Zhang +15 more
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Rapid Range Shifts of Species Associated with High Levels of Climate Warming
TL;DR: A meta-analysis shows that species are shifting their distributions in response to climate change at an accelerating rate, and that the range shift of each species depends on multiple internal species traits and external drivers of change.
Journal ArticleDOI
An extended AVHRR 8‐km NDVI dataset compatible with MODIS and SPOT vegetation NDVI data
Compton J. Tucker,Jorge E. Pinzon,Molly E. Brown,Daniel Slayback,Edwin W. Pak,Robert Mahoney,Eric Vermote,Nazmi Saleous +7 more
TL;DR: In this article, the NDVI 8-km equal area dataset from July 1981 through December 2004 for all continents except Antarctica was used to produce a Normalized Difference Vegetation Index (NDVI) 8.
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