A circumpolar comparison of tundra response to temperature manipulation: A synthesis of international tundra experiment data

Principal Investigators:

Marilyn D. Walker, and Michael Hunt Jones

This proposal seeks support for synthesis of existing data from 26 circumpolar arctic and alpine sites regarding species response to a common temperature manipulation. The sites are part of the International Tundra Experiment (ITEX), a collaboration of arctic and alpine researchers. ITEX programs have been in place throughout the circumpolar arctic and temperate alpine since 1992 or 1993. ITEX investigators use a common experimental design, work with a common set of species, and monitor common parameters of the ecosystem and physical environment.

ITEX... more

ITEX investigators seek to understand how the same species located in different geographical areas respond to warming and natural climatic variability, and how changes in those species and their environments will affect overall ecosystem structure and function. A common assumption in ecological studies is that patterns of response in species (or other groupings such as functional types or ecosystems) can be directly extrapolated to the range of the species or type. Such an assumption is necessary if data are to be used in modeling and extrapolation studies. The ITEX data will allow us to explicitly test this assumption by examining variability in tundra responses at multiple sites over 4-5 years.

We propose to meet these objectives by compiling and integrating data sets from ITEX research sites in order to test hypotheses of tundra response at a global scale using meta-analysis techniques in a collaborative workshop setting.


Participants and Meetings

A group photo is coming soon.
ActivityDatesFurther Information
Postdoctoral Fellow28th October 1996—20th January 1997Participant List  
Workshop4th—9th December 1996Participant List  

Participant Contact Information

Anna Arftarft@rastro.colorado.eduUniversity of Colorado
Juha Alatalojuha.alatalo@systbot.gu.seGöteborgs Universitet/University of Gothenburg
Syndonia Bret-Harteffmsb@uaf.eduMarine Biological Laboratory
Mark Daledalem@unbc.caUniversity of Alberta
Matthias DiemerUniversitat Basel
Felix GugerliUniversity of Zurich
Jessica Gurevitchjgurvtch@life.bio.sunysb.eduState University of New York (SUNY)
Greg H.R. Henryghenry@geog.ubc.caUniversity of British Columbia
Robert D. Hollisterhollistr@gvsu.eduMichigan State University
Michael Hunt JonesOhio State University
Kari Lainekari.laine@oulu.fiUniversity of Oulu
Esther Levesqueesther.levesque@uqtr.caUniversity of Toronto
Giles M. Mariongmarion@CRREL41.CRREL.USACE.ARMY.MILUS Army Cold Regions Research and Engineering Laboratory
Ulf Molauulf.molau@systbot.gu.seGöteborgs Universitet/University of Gothenburg
Per Molgaardpm@charon.dhf.dkRoyal Danish School of Pharmacy
Urban Nordenhallurban.nordenhall@systbot.gu.seGöteborgs Universitet/University of Gothenburg
Vladimir Razzhivinvalodyar@north.binras.spl.ruKomarov Botanical Institute
Clare H. Robinsonclare.robinson@kcl.ac.ukKing's College London
Greg Starrgstarr01@servax.fiu.eduFlorida International University
Mikael Stenstrommikael.stenstrom@sysbot.gu.seGöteborgs Universitet/University of Gothenburg
Ørjan Totlandorjan.totland@umb.noUniversity of Bergen
P. Lee Turnerturnerpl@taimyr.colorado.eduUniversity of Colorado, Boulder
Lisa Walkerwalkerl5@pilot.msu.eduMichigan State University
Marilyn D. WalkerUniversity of Colorado, Boulder
Patrick Webberwebber@pilot.msu.eduMichigan State University
Jeffrey M. Welkerafjmw1@uaa.alaska.eduUniversity of Wyoming
Philip Wookeyp.wookey@rhbnc.ac.ukUniversity of London

Products: Publications, Reports, Datasets, Presentations, Visualizations

TypeProducts of NCEAS Research
Journal Article Arft, Anna; Walker, Marilyn D.; Gurevitch, Jessica; Alatalo, Juha; Bret-Harte, Syndonia; Dale, Mark; Diemer, Matthias; Gugerli, Felix; Henry, Greg H.R.; Jones, Michael Hunt; Hollister, Robert D.; Jónsdóttir, Ingibjörg Svala; Laine, Kari; Levesque, Esther; Marion, Giles M.; Molau, Ulf; Molgaard, Per; Nordenhall, Urban; Razzhivin, Vladimir; Robinson, Clare H.; Starr, Greg; Stenstrom, A.; Stenstrom, Mikael; Totland, Ørjan; Turner, P. Lee; Walker, Lisa; Webber, Patrick; Welker, Jeffrey M.; Wookey, Philip. 1999. Responses of tundra plants to experimental warming: Meta-analysis of the international tundra experiment. Ecological Monographs. Vol: 69(4). Pages 491.
Data Set Walker, Marilyn D.; Jones, Michael Hunt. 2006. A circumpolar comparison of tundra response to temperature manipulation: A synthesis of international tundra experiment data. (Online version)
"A circumpolar comparison of tundra response to temperature manipulation: A synthesis of international tundra experiment data" is project ID: 2258