Shaver, Gaius R, and Sven Jonasson. “Response Of Arctic Ecosystems To Climate Change: Results Of Long-Term Field Experiments In Sweden And Alaska”. Polar Research 18, no. 2. Polar Research (1999): 245-252. doi:10.1111/j.1751-8369.1999.tb00300.x.

Jonasson, Sven, and Gaius R Shaver. “Within-Stand Nutrient Cycling In Arctic And Boreal Wetlands”. Ecology 80, no. 7. Ecology (1999): 2139-2150. doi:10.1890/0012-9658%281999%29080%5B2139%3AWSNCIA%5D2.0.CO%3B2.

Jonasson, Sven, Terry V Callaghan, Gaius R Shaver, and L. Nielsen. “Arctic Terrestrial Ecosystems And Ecosystem Function”. In The Arctic: Environment, People, Policy, 275-313. The Arctic: Environment, People, Policy. Amsterdam: Harwood Academic Publishers, 2000.

Shaver, Gaius R, J. G Canadell, F Stuart Chapin III, Jessica Gurevitch, John Harte, Gregory HR Henry, Phil Ineson, Sven Jonasson, Jerry M Melillo, Louis Pitelka, and Lindsey E Rustad. “Global Warming And Terrestrial Ecosystems: A Conceptual Framework For Analysis”. Bioscience 50, no. 10. Bioscience (2000): 871-882. doi:10.1641/0006-3568(2000)050%5B0871:GWATEA%5D2.0.CO;2.

Jonasson, Sven, F Stuart Chapin III, and Gaius R Shaver. “Biogeochemistry In The Arctic: Patterns, Processes And Controls”. In Global Biogeochemical Cycles In The Climate System, 139-150. Global Biogeochemical Cycles In The Climate System. Academic Press, 2001.

Graglia, E., R. Julkunen-Tiitto, Gaius R Shaver, I. K Schmidt, Sven Jonasson, and A. Michelsen. “Environmental Control And Intersite Variations Of Phenolics In Betula Nana In Tundra Ecosystems”. New Phytologist 151. New Phytologist (2001): 227-236. doi:10.1046/j.1469-8137.2001.00149.x.

J Cornelissen, Hans C, Terry V Callaghan, Juha M Alatalo, A. Michelsen, E. Graglia, A. E Hartley, David S Hik, et al.. “Global Change And Arctic Ecosystems: Is Lichen Decline A Function Of Increases In Vascular Plant Biomass?”. Journal Of Ecology 89. Journal Of Ecology (2001): 984-994. doi:10.1111/j.1365-2745.2001.00625.x.

Shaver, Gaius R, and Sven Jonasson. “Productivity Of Arctic Ecosystems”. In Terrestrial Global Productivity, 189-210. Terrestrial Global Productivity. New York: Academic Press, 2001.

Schmidt, I. K, Sven Jonasson, Gaius R Shaver, A. Michelsen, and A. Nordin. “Mineralization And Distribution Of Nutrients By Plants And Microbes In Four Arctic Ecosystems: Responses To Warming”. Plant And Soil 242, no. 1. Plant And Soil (2002): 93-106. doi:10.1023/A:1019642007929.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Biodiversity, Distributions And Adaptations Of Arctic Species In The Context Of Environmental Change”. Ambio 33, no. 7. Ambio (2004): 404-417. doi:10.1579/0044-7447-33.7.404.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Effects Of Changes In Climate On Landscape And Regional Processes, And Feedbacks To The Climate System”. Ambio 33, no. 7. Ambio (2004): 459-468. doi:10.1579/0044-7447-33.7.459.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Effects On The Function Of Arctic Ecosystems In The Short- And Long-Term Perspectives”. Ambio 33, no. 7. Ambio (2004): 448-458. doi:10.1579/0044-7447-33.7.448.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Effects On The Structure Of Arctic Ecosystems In The Short- And Long-Term Perspectives”. Ambio 33, no. 7. Ambio (2004): 436-447. doi:10.1579/0044-7447-33.7.436.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Key Findings And Extended Summaries”. Ambio 33, no. 7. Ambio (2004): 386-392. doi:10.1579/0044-7447-33.7.386.

van Wijk, M. T, K. E Clemmensen, Gaius R Shaver, Mathew W Williams, Terry V Callaghan, F Stuart Chapin III, Hans C J Cornelissen, A. Michelsen, et al.. “Long-Term Ecosystem Level Experiments In Toolik Lake, Alaska, And Abisko, Northern Sweden: Generalizations And Differences In Ecosystem And Plant Type Responses To Global Change”. Global Change Biology 10, no. 1. Global Change Biology (2004): 105-123. doi:10.1111/j.1365-2486.2003.00719.x.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Past Changes In Arctic Terrestrial Ecosystems, Climate And Uv Radiation”. Ambio 33, no. 7. Ambio (2004): 398-403. doi:10.1579/0044-7447-33.7.398.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Rationale, Concepts And Approach To The Assessment”. Ambio 33, no. 7. Ambio (2004): 393-397. doi:10.1579/0044-7447-33.7.393.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Responses To Projected Changes In Climate And Uv-B At The Species Level”. Ambio 33, no. 7. Ambio (2004): 418-435. doi:10.1639/0044-7447(2004)033%5B0418:Rtpcic%5D2.0.Co;2.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Synthesis Of Effects In Four Arctic Subregions”. Ambio 33, no. 7. Ambio (2004): 469-473. doi:10.1579/0044-7447-33.7.469.

Callaghan, Terry V, L. O Björn, Y. Chernov, F Stuart Chapin III, Torben R Christensen, B. Huntley, R. A Ims, N. Panikov, et al.. “Uncertainties And Recommendations”. Ambio 33, no. 7. Ambio (2004): 474-479. doi:10.1579/0044-7447-33.7.474.

Callaghan, Terry V, L. O Björn, F Stuart Chapin III, Y. Chernov, Torben R Christensen, B. Huntley, R. A Ims, W. C Oechel, et al.. “Arctic Tundra And Polar Desert Ecosystems, Chapter 7”. In Acia 2005: Arctic Climate Impact Assessment, 243-352. Acia 2005: Arctic Climate Impact Assessment. Cambridge University Press, 2005.

Clemmensen, K. E, A. Michelsen, Sven Jonasson, and Gaius R Shaver. “Increased Ectomycorrhizal Fungal Abundance After Long-Term Fertilization And Warming Of Two Arctic Tundra Ecosystems”. New Phytologist 171, no. 2. New Phytologist (2006): 391-404. doi:10.1111/j.1469-8137.2006.01778.x.