McNown RW, Sullivan PF. 2013. Low photosynthesis of treeline white spruce is associated with limited soil nitrogen availability in the Western Brooks Range, Alaska. Functional Ecology 27: 672-683.

Sharp ED, Sullivan PF, Steltzer H, Czank AZ, Welker JM. 2013. Complex carbon cycle responses to multi-level warming and supplemental summer rain in the High Arctic. Global Change Biology 19: 1780-1792.

Ives SL, Sullivan PF, Dial R, Berg EE, Welker JM. 2013. CO2 exchange along a hydrologic gradient in the Kenai Lowlands, AK: feedback implications of wetland drying and vegetation succession. Ecohydrology 6: 38-50.

Cahoon SMP, Sullivan PF, Shaver GR, Welker JM, Post E. 2012. Interactions among shrub cover and the soil microclimate may determine future Arctic carbon budgets.  Ecology Letters 15: 1415-1422.

Cahoon SMP, Sullivan PF, Post E, Welker JM. 2012. Herbivores limit CO2 uptake and suppress carbon cycle responses to warming in west Greenland. Global Change Biology 18: 469-479

Iversen CM, Murphy MT, Allen MF, Childs J, Eissenstat DM, Lilleskov EA, Sarjala TM, Sloan VL, Sullivan PF. 2012. Advancing the use of minirhizotrons in wetlands. Plant and Soil 352: 23-39.

Wolken JM, Hollingsworth TN, Rupp TS, Chapin FS III, Trainor SF, Barrett TM, Sullivan PF, McGuire AD, Euskirchen ES, Hennon PE, Beever EA, Conn JS, Crone LK, D'Amore DV, Fresco N, Hanley TA, Kielland K, Kruse JJ, Patterson T, Schuur EAG, Verbyla DL, Yarie J. 2011. Evidence and implications of recent and projected change in Alaska's forest ecosystems. Ecosphere 2: 124.

Sullivan PF, Sveinbjörnsson B. 2011. Environmental controls on needle gas exchange and growth of white spruce (Picea glauca) on a riverside terrace near the Arctic treeline. Arctic, Antarctic and Alpine Research 43: 279-288.

Rogers MC, Sullivan PF, Welker JM. 2011. Evidence of nonlinearity in the response of net ecosystem CO2 exchange to increasing levels of winter snow depth in the High Arctic of northwest Greenland. Arctic, Antarctic and Alpine Research 43: 95-106.

Cable JM, Ogle K, Lucas RW, Huxman TE, Loik ME, Smith SD, Tissue DT, Ewers BE, Pendall E, Welker JM, Charlet TN, Cleary M, Griffith A, Nowak RS, Rogers M, Steltzer H, Sullivan PF, van Gestel NC. 2011. The temperature responses of soil respiration in deserts: a seven desert synthesis. Biogeochemistry 103: 71-90.

Sullivan PF, Arens SJT, Sveinbjörnsson B, Welker JM. 2010. Modeling the seasonality of belowground respiration along an elevation gradient in the western Chugach Mountains, Alaska. Biogeochemistry 101: 61-75.

Sveinbjörnsson B, Smith M, Traustason T, Ruess RW, Sullivan PF. 2010. Variation in carbohydrate source-sink relations of forest and treeline white spruce in southern, interior and northern Alaska. Oecologia 163: 833-843.

Sullivan PF, Sveinbjörnsson B. 2010. Microtopographic control of treeline advance in Noatak National Preserve, northwest Alaska. Ecosystems 11: 275-285.

Sullivan PF. 2010. Snow distribution, soil temperature and late winter CO2 efflux from soils near the Arctic treeline in northwest Alaska. Biogeochemistry 99: 65-77.

Sullivan PF, Welker JM, Arens SJT, Sveinbjörnsson B. 2008. Continuous estimates of CO2 efflux from arctic and boreal soils during the snow-covered season in Alaska. Journal of Geophysical Research 113: G04009.

Sullivan PF, Arens SJT, Chimner RA, Welker JM. 2008. Temperature and microtopography interact to control carbon cycling in a high arctic fen. Ecosystems 11: 61-76.

Sullivan PF, Welker JM, Steltzer H, Sletten R, Hagedorn B, Arens SJT, Horwath JL. 2008. Energy and water additions give rise to simple responses in plant canopy and soil microclimates of a high arctic ecosystem. Journal of Geophysical Research 113: G03S08.

Arens SJT, Sullivan PF, Welker JM. 2008. Nonlinear responses to nitrogen and strong interactions with nitrogen and phosphorus additions drastically alter the structure and function of a high arctic ecosystem. Journal of Geophysical Research 113: G03S09.

Steltzer H, Hufbauer RA, Welker JM, Casalis M, Sullivan PF, Chimner RA. 2008. Frequent sexual reproduction and high intraspecific variation in Salix arctica: implications for a terrestrial feedback to climate change in the High Arctic. Journal of Geophysical Research 113: G03S10.

Sullivan PF, Sommerkorn M, Rueth HM, Nadelhoffer KJ, Shaver GR, Welker JM. 2007. Climate and species affect fine root production with long-term fertilization in acidic tussock tundra near Toolik Lake, Alaska. Oecologia 153: 643-652.

Sullivan PF, Welker JM. 2007. Variation in leaf physiology of Salix arctica within and across ecosystems in the High Arctic: test of a dual isotope conceptual model. Oecologia 151: 372-386.

Sullivan PF, Welker JM. 2005. Warming chambers stimulate early season growth of an arctic sedge: results of a minirhizotron field study. Oecologia 142: 616-626.

Welker JM, Fahnestock JT, Sullivan PF, Chimner RA. 2005. Leaf mineral nutrition of arctic plants in response to warming and deeper snow in northern Alaska. Oikos 109: 167-177.