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ITEX: International Tundra Experiment
Publisher: EOL Data Support  [contact email: eol-datahelp AT ucar.edu]  [web page]
Project: ITEX > International Tundra Experiment
Summary: The International Tundra Experiment, ITEX, was established in 1990 as a MAB-NSN initiative (Man-And-the-Biosphere, Northern Sciences Network). Since then the programme has grown rapidly and is today one of the most active international field programmes in arctic ecology. The purpose of ITEX is to monitor the performance of plant species and communities on a circumpolar basis in undisturbed habitats with and without environmental manipulations. At present, there are over twenty active ITEX field sites throughout the circumpolar Arctic and in some alpine areas, operated by field parties from thirteen countries. The basic experiment is a temperature enhancement manipulation, where the field mean surface temperature is increased by 2-3 degrees C to simulate the climate at the middle of the next century according to the forecast from the GCMs (General Circulation Models). Most of the results generated within ITEX so far relate to the response of single species, but from the field season of 1995 the experimentation was scaled up to include community-level responses. There are also ITEX research efforts dealing with plant phenotypic plasticity and quantitative genetics of some of the target species.
Related Link: EOL Data Archive website for project ITEX: International Tundra Experiment
Related Link: info: ITEX project page
Related Link: homepage: ITEX project main page
 
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Nested Collections
Alaska Temperature Data [Welker, J., J. Fahnestock]
Alexandra Fiord - Plant Nutrient Data [Welker, J., J. Fahnestock]
Alexandra Fiord Dry Tundra Ecosystem [Welker, J., J. Fahnestock]
Alexandra Fiord Mesic Tundra Ecosystem [Welker, J., J. Fahnestock]
Alexandra Fiord Wet Tundra Ecosystem [Welker, J., J. Fahnestock]
Atqasuk CO2 Fluxes (Excel) [Oberbauer]
Atqasuk CO2 Fluxes [Oberbauer]
Atqasuk RATE Plot Data [Webber]
Atqasuk RATE Plot Data [Webber]
Atqasuk RATE Plot Info [Webber]
Atqasuk RATE Species Info [Webber]
Audkuluheidi Site Community Data [Magnusson]
Audkuluheidi Site Excel Data [Magnusson]
Audkuluheidi Site Species Data [Magnusson]
Barrow Area Remote Sensing - Brw Be Land Cover
Barrow Atqasuk Climate [Webber]
Barrow Atqasuk Community [Webber]
Barrow Atqasuk Detailed Plot Microclimate [Webber]
Barrow Atqasuk Plant [Webber]
Barrow Atqasuk Plot Microclimate [Webber]
Barrow Atqasuk Thaw [Webber]
Barrow CO2 Fluxes (Excel) [Oberbauer]
Barrow CO2 Fluxes [Oberbauer]
Barrow Environmental Observatory Database [Webber]
Barrow IBP Plot Data [Webber]
Barrow IBP Plot Data [Webber]
Barrow IBP Plot Info [Webber]
Barrow IBP Plot Species Info [Webber]
Boulder Workshop Clean Datasets [Walker]
Declassified Satellite Imagery Acquired Near Barrow Alaska
Dry Site Dryas octopetala quantitative data [Walker]
Effects of Warming on a High Arctic Ecosystem Plot 1 [Epstein]
Effects of Warming on a High Arctic Ecosystem Plot 2 [Epstein]
Effects of Warming on a High Arctic Ecosystem Plot 3 [Epstein]
Effects of Warming on a High Arctic Ecosystem Plot 4 [Epstein]
Effects of Warming on a High Arctic Ecosystem Plot 5 [Epstein]
Effects of Warming on a Low Arctic Ecosystem Plot 1 [Epstein]
Effects of Warming on a Low Arctic Ecosystem Plot 2 [Epstein]
Effects of Warming on a Low Arctic Ecosystem Plot 3 [Epstein]
Effects of Warming on a Low Arctic Ecosystem Plot 4 [Epstein]
Effects of Warming on a Low Arctic Ecosystem Plot 5 [Epstein]
Effects of Warming on a Polar Desert Ecosystem Replicate 1 [Epstein]
Effects of Warming on a Polar Desert Ecosystem Replicate 2 [Epstein]
Effects of Warming on a Polar Desert Ecosystem Replicate 3 [Epstein]
Effects of Warming on a Polar Desert Ecosystem Replicate 4 [Epstein]
Effects of Warming on a Polar Desert Ecosystem Replicate 5 [Epstein]
Eurasian Plant Nutrient Survey [Welker]
Finse Site Community Data [Totland]
Finse Site Species Data [Totland]
Flower: fruit ratio data [Walker]
Glacier Respiration and Microbial Biomass [Welker]
High/Low Arctic Polar Desert Ecosystem Excel Data [Epstein]
IBP Barrow Topographic Grid Point Data [Webber]
IBP Microtopographic Grid Land Cover Cell Data Barrow [Webber]
IBP Microtopographic Grid Non Vascular Plants Barrow [Webber]
IBP Microtopographic Grid Photo Barrow (JPG) [Webber]
IBP Microtopographic Grid Photo Barrow (TIF) [Webber]
IBP Microtopographic Grid Point Data Barrow [Webber]
IBP Microtopographic Grid Species Info Barrow [Webber]
IBP Microtopographic Grid Vascular Plants Barrow [Webber]
IBP Microtopographic Grid Vascular Plants Barrow [Webber]
IBP Plot Data For Niwot Ridge [Webber]
IBP Plot Data For Niwot Ridge [Webber]
IBP Plot Data For Niwot Ridge [Webber]
IBP Plot Photos For Niwot Ridge [Webber]
IBP Rate Plot Resampling Photos Barrow [Webber]
IBP Species for Niwot Ridge [Webber]
Imnavait Creek grid point quadrant measurements [MWalker]
Imnavait Creek Grid Winter Snow Depth [Walker]
Imnavait Creek Plant Species List [MWalker]
Ivotuk Caribou Scat Deposition Data [Epstein, H., D. Richardson, D. Walker]
Latnjajaure Site, CLIP 1 Excel Data [Alatalo]
Latnjajaure Site, CLIP 1-Control 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Control 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Control 3 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Control 4 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Fert 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Fert 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Temp 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-Temp 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-TF 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 1-TF 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 2 Excel Data [Alatalo]
Latnjajaure Site, CLIP 2-Control 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Control 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Control 3 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Control 4 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Fert 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Fert 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Temp 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-Temp 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-TF 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 2-TF 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 3 Excel Data [Alatalo]
Latnjajaure Site, CLIP 3-Control 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Control 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Control 3 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Control 4 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Fert 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Fert 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Temp 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-Temp 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-TF 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 3-TF 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 4 Excel Data [Alatalo]
Latnjajaure Site, CLIP 4-Control 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Control 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Control 3 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Control 4 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Fert 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Fert 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Temp 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-Temp 2 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-TF 1 Community Data [Alatalo]
Latnjajaure Site, CLIP 4-TF 2 Community Data [Alatalo]
Latnjajaure Site, Effects of Warming on Carex bigelowii Data [Jonsdottir]
Latnjajaure Site, Effects of Warming on Carex bigelowii Excel Data [Jonsdottir]
Latnjajaure Site, Effects of Warming on Carex bigelowii Species File [Jonsdottir]
Latnjajaure Site, Effects of Warming on Carex Species Data (Excel) [Jonsdottir]
Latnjajaure Site, PAPP Cont 1 Community Data [Molau]
Latnjajaure Site, PAPP Cont 2 Community Data [Molau]
Latnjajaure Site, PAPP Cont 3 Community Data [Molau]
Latnjajaure Site, PAPP Cont 4 Community Data [Molau]
Latnjajaure Site, PAPP Excel Data [Molau]
Latnjajaure Site, PAPP OTC 1 Community Data [Molau]
Latnjajaure Site, PAPP OTC 2 Community Data [Molau]
Latnjajaure Site, PAPP OTC 3 Community Data [Molau]
Latnjajaure Site, PAPP OTC 4 Community Data [Molau]
Moist Site Eriophorum vaginatum leaf data [Walker]
Moist Site Eriophorum vaginatum pedicel data [Walker]
Moist Site Vaccinium vitis-idaea Quantitative Data [Walker]
NDVI data (Excel) [Oberbauer]
NDVI Data [Oberbauer]
NDVI data [Oberbauer]
NDVI Excel Data [Oberbauer]
NDVI Images [Oberbauer]
Niwot Site Community Data [Suding]
Niwot Site Excel Data [Suding]
Niwot Site Species Data [Suding]
Photos of Atqasuk and Barrow ITEX Sites [Webber]
Photos of Atqasuk and Barrow ITEX Sites [Webber]
Rate Plot Resampling Photos Atqasuk [Webber]
SFO Atqasuk Fluxes (Excel) [Oberbauer]
SFO Atqasuk Fluxes [Oberbauer]
SFO Barrow Fluxes (Excel) [Oberbauer]
SFO Barrow Fluxes [Oberbauer]
Simulations with ArcVeg: Broad Growth Form Data [Calef]
Simulations with ArcVeg: Broad Growth Form Stats [Calef]
Simulations with ArcVeg: DCA Default Data [Calef]
Simulations with ArcVeg: DCA Relativized Data [Calef]
Simulations with ArcVeg: DCA Weighted Data [Calef]
Simulations with ArcVeg: Narrow Growth Form Data [Calef]
Simulations with ArcVeg: Narrow Growth Form Stats [Calef]
Spatial Characteristics of AVHRR-NDVI [Jia, J., H. Epstein, D. Walker]
Summary Files From Boulder Workshop, Berlinor Data
Summary Files From Boulder Workshop, Categorical Summary Results
Summary Files From Boulder Workshop, Evenness Data
Summary Files From Boulder Workshop, Evenness Graph
Summary Files From Boulder Workshop, Evenness Summary Results
Summary Files From Boulder Workshop, gur-hedge data
Summary Files From Boulder Workshop, Richness Categorical Results
Summary Files From Boulder Workshop, Richness Data
Summary Files From Boulder Workshop, Richness Graph
Summary Files From Boulder Workshop, Richness Summary Results
Svalbard Site Community Data [Robinson, Wookey]
Svalbard Site Excel Data [Robinson, Wookey]
Svalbard Site Species Data [Robinson, Wookey]
Thingvellir Site Community Data [Magnusson]
Thingvellir Site Excel Data [Magnusson]
Thingvellir Site Species Data [Magnusson]
Thule Ecosystem Flux [Welker]
Toolik Dry Tundra Ecosystem Flux [Welker, J., J. Fahnestock]
Toolik Extractable Soil Nitrogen and Net Nitrogen Mineralization Data [Welker, J., C. Bilbrough]
Toolik Inorganic Nitrogen Uptake of Snow Covered Plants [Welker, J., C. Bilbrough]
Toolik Lake Aboveground Growth Data [Welker]
Toolik Lake Belowground Growth Data [Welker]
Toolik Lake E. Vaginatum Root Mineral Nutrition [Welker, J. and J. Fahnestock]
Toolik Lake species composition [MWalker]
Toolik Litter Study [Welker, J., J. Fahnestock]
Toolik Mineral Nutrition [Welker]
Toolik Moist Tundra Ecosystem Flux [Welker, J., J. Fahnestock]
Toolik Snow Depth (Excel) [Oberbauer]
Toolik Snow Depth [Oberbauer]
Toolik Snowfence Experiment: 1994-2000 Plant Community Data [Walker]
Toolik Snowfence Experiment: 1995-2000 Moist Site Salix Pulchra Quantitative Data [Walker]
Toolik Snowfence Experiment: 2002 Active Layer Depth [Walker, M.]
Toolik Snowfence Experiment: 2002 Leaf Area Index [Walker, M.]
Toolik Snowfence Experiment: 2002 Normalized Difference Vegetation Index [Walker, M.]
Toolik Snowfence Experiment: 2002 Plant Phenology [Walker, M.]
Toolik Snowfence Experiment: 2002 Snow Drift Depth [Walker, M.]
Toolik Snowfence Experiment: 2002 Snow Free Date [Walker, M.]
Toolik Snowfence Experiment: Active Layer Depth Data [Walker]
Toolik Snowfence Experiment: Dry Site Arctostaphylos Alpina Data [Walker]
Toolik Snowfence Experiment: Dry Site Vaccinium Vitis-Idaea Data [Walker]
Toolik Snowfence Experiment: Leaf Area Index Data [Walker]
Toolik Snowfence Experiment: Moist Site Betula Nana Shoot Data [Walker]
Toolik Snowfence Experiment: Normalized Difference Vegetation Index Data [Walker]
Toolik Snowfence Experiment: Plant Phenology Data [Walker]
Toolik Snowfence Experiment: Snow Drift Depth Data [Walker]
Toolik Snowfence Experiment: Snow Drift Depth Data [Walker]
Toolik Snowfence Experiment: Snow Free Date Data [Walker]
Toolik Snowfence Experiment: Snowfield Cassiope Tetragona Data [Walker]
Toolik Snowfence Experiment: Snowfield Salix Reticulata Data [Walker]
Toolik Snowfence Experiment: Snowfield Vaccinium Vitis-Idaea Data [Walker]
US Atqasuk, Canopy Height vs. Warming Data [Webber]
US Atqasuk, Canopy Height vs. Warming Excel Data [Webber]
US Barrow, Canopy Height vs. Warming Data [Webber]
US Barrow, Community Species Excel Data [Webber]
US Barrow, Taxon Species Name Data [Webber]
US Toolik Site 1, Archive Community Data [Walker]
US Toolik Site 1, Archive Community Data [Walker]
US Toolik Site 1, Archive Community Data [Walker]
US Toolik Site 1, Archive Community Data [Walker]
US Toolik Site 1, Biomass Community Data [Walker]
US Toolik Site 1, Species Data [Walker]
US Toolik Site 1, Wrkshp Community Data [Walker]
US Toolik Site 1, Wrkshp Community Data [Walker]
US Toolik Site 1, Wrkshp Community Data [Walker]
US Toolik Site 2, Cover Community Data [Bret-Harte]
US Toolik Site 2, Cover Community Excel Data [Bret-Harte]
US Toolik Site 2, Cover Species Data [Bret-Harte]
US Toolik Site 2, Cover Species Excel Data [Bret-Harte]
US Toolik Site 2, Quantitative Community Data [Bret-Harte]
US Toolik Site 2, Quantitative Community Excel Data [Bret-Harte]
US Toolik Site 2, Species Data [Bret-Harte]
US Toolik Site 2, Species Excel Data [Bret-Harte]
US Toolik Site 3: Point Framing Broad Data -old format [Ahlquist]
US Toolik Site 3: Point Framing Broad Data [Ahlquist]
US Toolik Site 3: Point Framing Broad Data [Ahlquist]
US Toolik Site 3: Point Framing Format Data [Ahlquist]
US Toolik Site 3: Point Framing Format Data [Ahlquist]
US Toolik Site 3: Point Framing Narrow Data -old format [Ahlquist]
US Toolik Site 3: Point Framing Narrow Data [Ahlquist]
US Toolik Site 3: Point Framing Narrow Data [Ahlquist]
US Toolik Site 3: Point Framing Old Format Data [Ahlquist]
US Toolik Site 3: Point Framing Sample Matrix -old format [Ahlquist]
US Toolik Site 3: Point Framing Sample Matrix [Ahlquist]
US Toolik Site 3: Point Framing Sample Matrix [Ahlquist]
US Toolik Site 3: Point Framing Woody Data -old format [Ahlquist]
US Toolik Site 3: Point Framing Woody Data [Ahlquist]
US Toolik Site 3: Point Framing Woody Data [Ahlquist]