Below is a list of Voelker lab papers including links to all of the peer-reviewed articles. If you cannot access an article,  send me an email and I will respond with a pdf.

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Papers In Review or In Prep

Williams J, JC Stella, SL Voelker, AM Lambert, L Pelletier, JE Drake, JM Friedman, DA Roberts, MB Singer. Local groundwater decline mediates response of dryland riparian woodlands to climatic drought. In Review, Global Change Biology.

Dangerfield C, SL Voelker LL Yocom, P Terletzky-Gase, CA Lee. Integrated aerial imagery and LiDAR data detect forest dieback in tall coast redwoods near roads and forest edges. In Prep for Applied Ecology

Keen RM, SL Voelker. Opposing responses of tree-level and ecosystem level water use efficiency to vapor pressure deficit during the 2012-2015 California drought. In Prep for Journal of Geophysical Research Biogeosciences 

Kannenberg SA, A Cabon, F Babst, S Belmecheri, R Guerrieri, N Delpierre, JT Maxwell, FC Meinzer, DJP Moore, C Pappas, M Ueyama, DEM Ulrich, SL Voelker, DR Woodruff, WRL Anderegg. Drought-induced decoupling between tree growth and carbon uptake impacts forest carbon turnover time. In Review, Agricultural and Forest Meteorology


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Published or In Press -- With links to Media Coverage

50. A Cabon, SA Kannenberg, A Afrain, F Babst, S Belmecheri, R Guerrieri, N Delpierre, JT Maxwell, S McKenzie, FC Meinzer, DJP Moore, C Pappas, A. Rocha, P Szejner, M Ueyama, DE Ulrich, C Vincke, SL Voelker, J Wei, DR Woodruff, WRL Anderegg. Cross-biome synthesis of source versus sink limits to tree growth. In Press, Science. 

49. Cernusak LA, A Barbeta, RT Bush , R Eichstaedt (Bögelein), JP Ferrio, LB Flanagan, A Gessler, P Martín-Gómez, RT Hirl, A Kahmen, C Keitel, C-T Lai, NC Munksgaard, DB Nelson, J Ogée, JS Roden, H Schnyder, SL Voelker, L Wang, H Stuart-Williams, L Wingate, W Yu, L Zhao, M Cuntz. 2022. Do 2H and 18O in leaf water reflect environmental drivers differently? New Phytologist [Link]

48. Lehman MM, M-A Cormier, P Schuler, M Leuenberg, SL Voelker. 2022. Hydrogen isotopic signature in trees: From source water to tree rings. Chapter 11 in Stable Isotopes in Tree Rings: Inferring Physiological, Climate and Environmental Responses.  Book In Press. Eds: RTW Siegwolf, JR Brooks, JS Roden, M Saurer.  
https://link.springer.com/book/9783030926977

47. Saurer M, SL Voelker. 2022. Intrinsic water-use efficiency derived from stable carbon isotopes of tree rings. Chapter 17 in Stable Isotopes in Tree Rings: Inferring Physiological, Climate and Environmental Responses. Book In Press. Eds: RTW Siegwolf, JR Brooks, JS Roden, M Saurer. https://link.springer.com/book/9783030926977

​46. Siegwolf, RTW, M Savard, T Grams, SL Voelker. 2022. Impact of increasing CO2, and air pollutants (NOx, SO2, Ozone) on the C  and O isotope ratio in tree rings. Chapter 24 in Stable Isotopes in Tree Rings: Inferring Physiological, Climate and Environmental Responses.  Book In Press. Eds: RTW Siegwolf, JR Brooks, JS Roden, M Saurer. 
https://link.springer.com/book/9783030926977

​45. Ulrich DEM, SL Voelker, JR Brooks, FC Meinzer. 2022. Insect and pathogen influences on tree-ring isotopes. Chapter 25 in Stable Isotopes in Tree Rings: Inferring Physiological, Climate and Environmental Responses.  Book In Press. Eds: RTW Siegwolf, JR Brooks, JS Roden, M Saurer.
​https://link.springer.com/book/9783030926977

44. Keen RM, SL Voelker, S-Y S Wang, BJ Bentz, M Goulden, CR Dangerfield, TE Dawson and CJ Still. Keen RM, SL Voelker, S-Y S Wang, BJ Bentz, M Goulden, CR Dangerfield, CC Reed, SM Hood, AZ Csank, TE Dawson, AG Merschel, and CJ Still. 2021. Changes in tree drought sensitivity provided early warning signal to the California drought and forest mortality event. Global Change Biology 28: 1119-1132. [Link]

S. Voelker was interviewed about this research by National Public Radio affiliate KUNM, located at the University of New Mexico: https://www.kunm.org/post/tree-rings-may-hold-secret-where-wildfires-spark-southwest

43. C. Dangerfield, SL Voelker, CA Lee. Long-term impacts of rad disturbance on old-growth coast redwood forests. Forest Ecology and Management 499: 119595 [Link]

42. Chavarie L, SL Voelker, MJ Hansen, CR Bronte, AM Muir, MS Zimmerman and CC Krueger. 2021. Temporal instability of lake trout phenotypes: synchronicity of growth rates and morphology linked to environmental variables? Evolutionary Applications 14: 1159-1177 [Link]

​41. Walker AP, MG De Kauwe, A Bastos, S Belmecheri, K Georgiou, R. Keeling, S McMahon, BE Medlyn, DJO Moore, RJ Norby, S Zaehle, KJ Anderson-Texiera, G. Battipaglia, RJW Brienen, K Cabugao, M Cailleret, E Campbell, P Canadell, P Ciais, ME Craig, D Ellsworth, G Farquhar, S Fatichi, JB Fischer, D Frank, H Graven, L Gu, V Haverd, K Heilmann, BA Hungate, C Iversen, F Joos, M Jiang, TF Keenan, J Knauer, WK Smith, C Korner, VO Leshyk, S Leuzinger, Y Liu, N Macbean, Y Malhi, T McVicar, J Penuelas, J Pongratz, AS Powell, T Riutta, MEB Sabot, J Schleucher, S Sitch, B Sulman, B Taylor, C Terrer, M Torn, K Treseder, AT Trugman, S Trumbore, PJ van Mantgem, SL Voelker, M Whelan and PA Zuidema. 2020. Tansley Review: Integrating evidence for a terrestrial carbon sink caused by increasing atmospheric CO2. New Phytologist doi:10.1111/nph.16866 [Link] 

40. Keen RM, SL Voelker, BJ Bentz, S-Y S Wang and R. Ferrell. 2020. Stronger influence of growth rate than severity of drought stress on mortality of large ponderosa pines during the 2012-2015 California drought. Oecologia 194: 359-370. [Link] 

39. Brienen RJW, L Caldwell,  L Duchesne, SL Voelker, J Barichivich, M Baliva, G Ceccantini, A Di Filippo, S Helama, G Locoselli, L Lopez, G Piovesan, J Schoengart, R. Villalba  and E Gloor. 2020. Forest carbon sink neutralized by pervasive growth-lifespan tradeoffs.  Nature Communications 11: 4241. [Link]

This paper was featured by the Editors of Nature Communications as the lead article for 2020 among all other papers in Evolution and Ecology: [Link]

Press releases related to this research are available here:
http://www.leeds.ac.uk/news/article/4660/trees_living_fast_die_young
https://www.esf.edu/communications/view2.asp?newsID=8778

The lead author of the paper penned some long-form Science Communication journalism available here:
The Conversation: Across the world trees are growing faster and dying younger and will soon store less carbon

Media: More than 120 news stories covered this research spanning the globe. Here are some examples:  
38. Pettit JM, SL Voelker, RJ DeRose RJ and JI Burton. 2020. Spruce beetle outbreak was not driven by drought stress: evidence from a tree-ring iso-demographic approach indicate temperatures were more important. Global Change Biology.  [Link]

37. Chien Y-T, S-YS Wang, Y Chikamoto, SL Voelker, J Meyer and J-H Yoon. 2019. North American winter dipole: Observed and simulated changes in circulation modes.  Atmosphere 10: 793. [Link] 

36. Lavergne A, SL Voelker, AM Csank, H Graven, HJ de Boer, V Daux, I Robertson, I Dorado-Liñán, E Martinez-Sancho, G Battipaglia, KJ Bloomfield, FC Meinzer, JJ Camarero, R Clisby, Y Fang, A Menzel, CJ Still, RM Keen, JS Roden, TE Dawson, IC Prentice. 2019. Historical trends in the stomatal limitation of photosynthesis: empirical support for an optimality principle. New Phytologist 225: 2484-2495. [Link]

35. Pettit JM, JI Burton , RJ DeRose RJ, JN Long and SL Voelker. Epidemic spruce beetle outbreak modifies drivers of Engelmann spruce seedling establishment.  Ecosphere 10: eo2912. [Link]

34. Lee CA, S Voelker and P Angwin. Investigating causes of Bishop pine decline on California's North Coast. 2019.  pp. 145-152 In: Forest Health Monitoring: National Status, Trends, and Analysis 2018. USDA Forest Service General Technical report SRS-233. [Link] 

33.  Jiang Y, CJ Still, GFM Page, B Rastogi, S Wharton, FC Meinzer, SL Voelker and JB Kim. 2019. Trend and control in water use efficiency of an old-growth coniferous forest in the Pacific Northwest.  Environmental Research Letters 14: 070429. [Link]

32. Voelker SL, S-Y Wang, TE Dawson, JS Roden, CJ Still, FJ Longstaffe and A. Ayalon. 2019. Tree-ring isotopes adjacent to Lake Superior reveal cold winter anomalies for the Great Lakes region of North America. Scientific Reports 9: 4412. [Link]

Media: Our research, on winter climate reconstruction, was written up by Utah State Today:
https://www.usu.edu/today/?id=58346
Media: Dr. Voelker conducted an interview with Utah Public Radio about this research:
https://www.upr.org/post/revealing-historic-winter-climate-using-tree-rings
​
31. Voelker SL, AG Merschel, FC Meinzer, CJ Still, DE Ulrich and TA Spies. 2019. Fire deficits have increased drought-sensitivity in dry conifer forests; fire frequency and tree-ring carbon isotope evidence from Central Oregon. Global Change Biology 25: 1247-1262. [Link]

Media: Our research, on fire deficits and drought sensitivity was written up by Oregon State Today:
https://today.oregonstate.edu/news/tree-ring-analysis-explains-physiology-behind-drought-intolerance-brought-fire-suppression
Media: The OSU article was picked up by at least 10 media outlets -- below is one example:
https://www.registerguard.com/news/20190110/researchers-find-that-tree-rings-indicate-effects-of-fire-suppression-learn-what-rings-tell

30. Liu X, L Zhao, SL Voelker, G Xu, X Zeng, X Zhang, L Zhang, W Sun, Q Zhang, G Wu and X. Li. 2018. Warming and CO2 enrichment modified the ecophysiological responses of Dahurian larch and Mongolia pine during the past century in the permafrost region of northeastern China. Tree Physiology 39: 88-103. [Link]

29. Ratcliff CJ, SL Voelker and AW Nolin.  2018. Tree-ring carbon isotope records from the western Oregon Cascade Mountains primarily record summer maximum temperatures. Tree-Ring Research 74: 185-195. [Link]

28. Voelker SL, JS Roden, and TE Dawson.  2018. Millennial-scale tree-ring isotope chronologies from coastal redwoods provide insights on controls over California hydroclimate variability. Oecologia 187: 897-909.  [Link]

Media: Our research, along with that from other groups was featured in an article on redwood tree-rings published in Bay Nature: https://baynature.org/article/story-future-california-written-rings-redwoods/
Media: Dr. Voelker conducted an interview with Utah Public Radio once the research was published:
https://www.upr.org/post/hidden-climate-records-within-tree-rings

​27. Voelker SL, RJ DeRose, MF Bekker, C Sriladda N Leksungnoen and RK Kjelgren. 2018. Anisohydric behavior links growing season evaporative demand to ring-width increment. Trees - Structure and Function 32: 745-749. [Link]

26. Voelker SL and FC Meinzer. 2017. Where and when does stem cellulose δ18O reflect a leaf water enrichment signal? Tree Physiology 37: 551-553 [Link]

25. Voelker SL, MC Stambaugh, JR Brooks, FC Meinzer, B Lachenbruch and RP Guyette. 2017. Evidence that higher CO2  increases tree growth sensitivity to temperature: a comparison of modern and paleo oaks. Oecologia 183: 1183-1195. [Link]

24. Cornejo-Oviedo, SL Voelker, DB Mainwaring, DA Maguire, FC Meinzer and JR Brooks. 2017. Basal area growth, carbon isotope discrimination, and intrinsic water use efficiency after fertilization of Douglas-fir in the Oregon Coast Range. Forest Ecology and Management 389: 289-295 [Link]

23. Voelker SL, JR Brooks, FC Meinzer, R Anderson, M K.-F. Bader, G Battipaglia, KM Becklin, D Beerling, D Bert, JL Betancourt, TE Dawson, JC Domec, RP Guyette, C Körner, SW Leavitt, S Linder, JD Marshall, M Mildner, J Ogée, I Panyushkina, HJ Plumpton, KS Pregitzer, M Saurer, AR Smith, RTW Siegwolf, MC Stambaugh, AF Talhelm, JC Tardif, PK Van de Water, JK Ward and L Wingate. 2016. A dynamic leaf gas exchange strategy is conserved in woody plants under changing ambient CO2: evidence from carbon isotope discrimination in paleo and CO2 enrichment studies. Global Change Biology 22: 899-902. [Link]

22. Voelker SL, MC Stambaugh, RP Guyette, X Feng, DA Grimley, SW Leavitt, IP Panyushkina, D Grimm, JP Marsicek, B Shuman and BB Curry. 2015. Deglacial hydroclimate of mid-continental North America. Quaternary Research 83: 336-344. [Link]

21. Lee C, SL Voelker, RM Holdo and RM Muzika. 2014. Tree architecture as a predictor of growth and mortality after an episode of red oak decline in the Ozark Highlands of Missouri, U.S.A. Canadian Journal of Forest Research 44: 1005-1012. [Link]

20. Marias DE, FC Meinzer, DC Shaw, DR Woodruff, SL Voelker and B Lachenbruch. 2014. Effect of hemlock dwarf mistletoe on the physiology of host western hemlock using tree ring 13C and 18O. Tree Physiology 34: 595-607. [Link]

19. Voelker SL, JR Brooks, FC Meinzer, JS Roden, A Pazdur, S Pawelczyk, P Hartsough, K Snyder, L Plavcová, J Šantrůček. 2014. Isolating relative humidity: dual isotopes δ18O and δD as deuterium deviations from the global meteoric water line. Ecological Applications 24: 960-975. [Link]

18. Saffell BJ, FC Meinzer, SL Voelker, DC Shaw, JR Brooks, B Lachenbruch, J McKay. 2014. Tree-ring isotopes record the impact of a foliar fungal pathogen on CO2 assimilation and growth in Douglas-fir. Plant, Cell & Environment 37: 1536-1547. [Link]

17. Saffell BJ, FC Meinzer, DR Woodruff, DC Shaw, SL Voelker and B Lachenbruch. 2014. Impact of Swiss needle cast infection on tree carbohydrate reserves. Tree Physiology 34: 218-228. [Link]

16. Voelker SL, FC Meinzer, B Lachenbruch, JR Brooks and RP Guyette. 2014. Drivers of radial growth and carbon isotope discrimination of bur oak (Quercus macrocarpa Michx.) across continental gradients in precipitation, vapor pressure deficit and irradiance. Plant, Cell & Environment 37: 766-779. [Link]

15. Voelker SL, P-E Noirot-Cosson, MC Stambaugh, ER McMurry, FC Meinzer, B Lachenbruch and RP Guyette. 2012. Spring temperature responses of oaks are synchronous with North Atlantic conditions during the last deglaciation. Ecological Monographs 82: 169-187. [Link]

14. McCulloh KA, DM Johnson, FC Meinzer, SL Voelker, B Lachenbruch and J-C Domec. 2012. Hydraulic architecture of two species differing in wood density: opposing strategies in co-occurring tropical pioneer trees. Plant, Cell & Environment 35: 116-125. [Link]

13. Voelker, SL. 2011. Age-dependent changes in environmental influences on tree growth and their implications for forest responses to climate change. In Size- and age-related changes in tree structure and function, FC Meinzer, T Dawson and B Lachenbruch (eds.). pp. 455-479, DOI: 10.1007/978-94-007-1242-3_17. [Link]

12. McCulloh KA, FC Meinzer, JS Sperry, B Lachenbruch, SL Voelker, DR Woodruff and J-C Domec. 2011. Comparative hydraulic architecture of tropical tree species representing a range of successional status and wood density. Oecologia 167: 27-37. [Link]

11. Voelker SL, B Lachenbruch, FC Meinzer and SH Strauss. 2011. Reduced wood stiffness and strength, and altered stem form, in young antisense 4CL transgenic poplar with reduced lignin contents. New Phytologist 189: 1096-1109. [Link]

10. Voelker SL, B Lachenbruch, FC Meinzer, P Kitin and SH Strauss. 2011. Transgenic poplars with reduced lignin show impaired xylem conductivity, growth efficiency and survival. Plant, Cell & Environment 34: 655-668. [Link]

9. Voelker SL, B Lachenbruch, FC Meinzer, M Jourdes, C Ki, AM Patten, LB Davin, NG Lewis, GA Tuskan, L Gunter, SR Decker, MJ Selig, R Sykes, ME Himmel, P Kitin, O Shevchencko and SH Strauss.  2010. Antisense down-regulation of 4CL expression alters lignification, tree growth and saccharification potential of field-grown poplar. Plant Physiology 154: 874-886. [Link]

8. Kitin P, SL Voelker B Lachenbruch, FC Meinzer and SH Strauss. 2010. Tyloses and phenolic deposits in xylem vessels impede water transport in low-lignin transgenic poplars: a study by cryo-fluorescence microscopy. Plant Physiology 154: 887-898.
[Link]

7. McCulloh K, JS Sperry, B Lachenbruch, FC Meinzer, PB Reich and SL Voelker. 2010. Moving water well: comparing hydraulic efficiency in twigs and trunks of coniferous, ring-porous, and diffuse-porous saplings from temperate and tropical forests. New Phytologist 186: 439-450. [Link]

6. Lachenbruch B, SL Voelker, FC Meinzer and SH Strauss. 2010. Structural and functional differences among transgenic hybrid poplar lines with varying lignin contents. Proceedings of the 6th Plant Biomechanics Conference, Cayenne, French Guiana, Nov. 16-21, 2009.

5. Voelker SL, RM Muzika and RP Guyette. 2008. Individual tree and stand level influences on the growth, vigor
and decline of red oaks in the Ozarks. Forest Science 54: 8-20. [Link]

4. Taylor AM, JR Brooks, B Lachenbruch, JJ Morell and SL Voelker. 2008. Correlation of carbon isotope ratios in the cellulose and wood extractives of Douglas-fir. Dendrochronologia 26: 125-131. [Link]

3. Parke JL, E Oh, SL Voelker, EM Hansen, G Buckles, and B Lachenbruch. 2007. Phytopthora ramorum colonizes tanoak xylem and is associated with reduced stem water transport. Phytopathology 97: 1558-1567. [Link]

2. Guyette RP, RM Muzika, and SL Voelker. 2007. The historical ecology of fire, climate, and the decline of shortleaf pine in the Ozarks. In JM Kabrick, DC Dey, D Gwaze (eds.). Shortleaf pine restoration and ecology in the Ozarks: proceedings of a symposium, USDA For. Serv. GTR-NRS-P-15, pp. 8-18. [Link]

1. Voelker SL, RM Muzika, RP Guyette and MC Stambaugh. 2006. Historical CO2 growth enhancement declines
with age in Quercus and Pinus. Ecological Monographs 76: 549-564. [Link]
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