á Hugh Henry Hugh Henry Western University Science Logo

Publications

Frozen Soil

Photo: Paul Matulonis

Hugh Henry collecting frozen soil

 

 

 

100. Stroud E, Craig BLH, Henry, HAL. 2023. Contrasting short-term vs. long-term effects of warming and nitrogen addition on soil organic matter density fractions in a temperate grass-dominated system. Plant and Soil (in press).

99. Wang C, Henry HAL, Dai M, Shi B, Song Y, Liang Q, Sun W. 2022. Seasonal variation modifies the spatial patterns of soil microbial community structure and enzyme activity in a meadow steppe. Applied Soil Ecology (in press).

98. Green D, Rezanezhad F, Jordan S, Wagner-Riddle C, Henry HAL, Slowinski S, Van Cappellen P. 2022. Effects of winter pulsed warming and snowmelt on soil nitrogen cycling in agricultural soils: a lysimeter study. Frontiers in Environmental Science (in press).

 

97. Stroud E, Craig BLH, Henry, HAL. 2022. Short-term vs. long-term effects of warming and nitrogen addition on soil extracellular enzyme activity and litter decomposition in a grass-dominated system. Plant and Soil (in press).

96. Xu WL, Zhao MM, Ren RR, Song WZ, Gao WF, Henry HAL, Sun W. 2022. Grazing amplifies the stimulating effects of N addition on N2O emissions in a temperate meadow steppe. Agriculture, Ecosystems and Environment 339, 108143

95. Lapierre J, Machado PVF, Debruyn Z, Brown SE, Jordan S, Berg A, Biswas A, Henry HAL, Wagner-Riddle C. 2022. Winter warming effects on soil nitrate leaching under cover crops: A field study using high-frequency weighing lysimeters. Frontiers in Environmental Science 10, 897221.

94. Craig BLH, Henry HAL. 2022. Dominance by non-native grasses suppresses long-term shifts in plant species composition and productivity in response to global change. Oecologia 199, 995-1005.

93. Kong RS, Way DA, Henry HAL, Smith NG. 2022. Stomatal conductance, not biochemistry, drives low temperature acclimation of photosynthesis in Populus balsamifera, regardless of nitrogen availability. Plant Biology 24, 766-779.

92. Lapierre J; Machado PVF; Debruyn Z; Brown S; Jordan S; Berg A; Biswas A; Henry HAL. 2021. Cover crop mixtures: a powerful strategy to reduce post-harvest surplus of soil nitrate and leaching. Agriculture, Ecosystems and Environment, 325: 107750.

91. Sutton AO, Studd EK, Fernandes T, Bates AE, Bramburger AJ, Cooke SJ, Hayden B, Henry H, Humphries MM, Martin R, McMeans B, Moise E, O’Sullivan AM, Sharma S, Templer PH. 2021. Frozen out: unanswered questions about winter biology. Environmental Reviews, 99: 1-12.

90. Studd EK, Bates AE, Bramburger AJ, Fernandes T, Hayden B, Henry H, Humphries MM, Martin R, McMeans BC, Moise ERD, O'Sullivan AM, Sharma S, Sinclair BJ, Sutton AO, Templer PH, Cooke SJ. 2021. Nine Maxims for the Ecology of Cold-Climate Winters. BioScience, 71: 820–830.

89. Natvik M, Henry H. 2021. Implications of common ancestral habitat of grass cover for oak recruitment: Differential effects of Festuca rubra and two native grasses. Forest Ecology and Management, 495.

88. Lubbe FC, Klimesova J, Henry H. 2021. Winter belowground: Changing winters and the perennating organs of herbaceous plants. Functional Ecology, 35: 1627-1639.

87. Davison, J Moora, M Semchenko, M Adenan, SB Ahmed, T Akhmetzhanova, AA Alatalo, JM Al-Quraishy, S Andriyanova, E Anslan, S Bahram, M Batbaatar, A Brown, C Bueno, CG Cahill, J Cantero, JJ Casper, BB Cherosov, M Chideh, S Coelho, AP Coghill, M Decocq, G Dudov, S Fabiano, EC Fedosov, VE Fraser, L Glassman, SI Helm, Henry, HAL, Herault, B Hiiesalu, I Hiiesalu, I Hozzein, WN Kohout, P Koljalg, U Koorem, K Laanisto, L Mander, U Mucina, L Munyampundu, JP Neuenkamp, L Niinemets, U Nyamukondiwa, C) Oja, J Onipchenko, V Partel, M Phosri, C Polme, S Pussa, K Ronk, A Saitta, A Semboli, O Sepp, SK Seregin, A Sudheer, S Pena-Venegas, CP Paz, C Vahter, T Vasar, M Veraart, AJ Tedersoo, L Zobel, M Opik, M. 2021. Temperature and pH define the realised niche space of arbuscular mycorrhizal fungi. New Phytologist, 231: 763-776.

86. Weigel R, Henry H, Beil I, Gebauer G, Jurasinski G, Klisz M, van der Maaten E, Muffler L, Kreyling J. 2021 Ecosystem processes show uniform sensitivity to winter soil temperature change across a continental gradient of temperate forests. Ecosystems, 24. 

85. Yang, XC, Henry, HAL, Zhong, SZ, Meng, B, Wang, CL. Gao, Y, Sun, W. 2020. Towards a mechanistic understanding of soil nitrogen availability responses to summer vs. winter drought in a semiarid grassland. Science of the Total Environment, 741.

84. Lubbe FC, Henry HAL. 2020. The role of perennation traits in plant community soil frost stress responses. Annals of Botany, 126: 873-881.

83. Song, JP, Torrez, A, Henry, H. Tian, LN. 2020. BdHD1, a histone deacetylase of Brachypodium distachyon, interacts with two drought-responsive transcription factors, BdWRKY24 and BdMYB22. Plant Signaling and Behavior, 15.

82. Kong, RS, Henry, HAL. 2020 Contrasting effects of freezing-stress memory on biomass production among herbaceous plant species. Botany, 98: 545-553.

81. Henry, HAL, Kreyling, J, Gebauer, G, Klisz, M, Weigel, R. 2020. N-15 tracer enrichment in response to winter soil temperature manipulation differs between canopy trees and juveniles. Trees – Structure and Function, 35: 325-331.

80. Shi, BK, Hu, G, Henry, HAL, Stover, HJ, Sun, W, Xu, WL, Wang, CL, Fu, X, Liu, ZL. 2020. Temporal changes in the spatial variability of soil respiration in a meadow steppe: The role of abiotic and biotic factors. Agricultural and Forest Meteorology, 287: 107958.

79. Stotz, GC, Cahill, JF, Bennett, JA, Carlyle, CN, Bork, EW, Askarizadeh, D, Bartha, S, Beierkuhnlein, C, Boldgiv, B, Brown, L, Cabido, M, Campetella, G, Chelli, S, Cohen, O, Diaz, S, Enrico, L, Ensing, D, Erdenetsetseg, B, Fidelis, A, Garris, HW, Henry, HAL, Jentsch, A, Jouri, MH, Koorem, K, Manning, P, Mitchell, R, Moora, M, Overbeck, GE, Pither, J, Reinhart, KO, Sternberg, M, Tungalag, R, Undrakhbold, S, van Rooyen, M, Wellstein, C, Zobel, M, Fraser, LH. 2020. Not a melting pot: Plant species aggregate in their non-native range. Global Ecology and Biogeography, 29: 482-490.

78. Kowalski J,Henry H. 2020. Soil microedges provide an ecological niche for Desmodium canadense. Plant Ecology, 221: 15-24.

77. Stover H, Henry H. 2020. Soil homogenization modifies productivity, nitrogen retention and decomposition in restored grassland. Ecosystems, 23 : 264-277.

76. Lubbe C, Henry H. 2019. Plant rhizome positioning in the soil and under litter: trade-offs of frost avoidance versus growth. Perspectives in Plant Ecology, Evolution and Systematics, 41: 125500.

75. Stover H, Henry H. 2019.Soil homogenization in a tallgrass prairie restoration: Toward resolved understanding of the relationship between soil heterogeneity and plant species diversity. Restoration Ecology, 28: 93-103.

74. Meng, B., B. Shi, S. Zhong, H. Chai, S. Li, Y. Wang, H.A.L. Henry, J. Ma. 2019 Drought sensitivity of aboveground productivity in Leymus chinensis meadow steppe depends on drought timing. Oecologia, 191:685-696.

73. Heuchan S, Fan B, Kowalski J, Gillies E, Henry H. 2019.Root responsive fertilizer coatings from polyglyoxylate-polyester blends. Journal of Agricultural and Food Chemistry, 67: 12720-12729.

72. Song, J., H.A.L. Henry, L. Tian. 2019. Drought-inducible changes in the histone modification H3K9ac are associated with drought-responsive gene expression in Brachypodium distachyon. Plant Biology, 22: 433-440.

71. Song, J., H.A.L. Henry, L. Tian. 2019. Brachypodium histone deacetylase BdHD1 positively regulates ABA and drought stress responses. Plant Science, 283: 355-365.

70. Lubbe C, Henry H. 2019.The cost of depth: frost avoidance trade-offs in herbaceous plants. Plant and Soil, 444: 213-224.

69. Stover H, Henry H. 2019. Interactions between soil heterogeneity and freezing: implications for grassland plant diversity and relative species abundances. Global Change Biology. 25: 2275-2284.

68. Kong R, Henry H. 2019. Interactions of plant growth responses to spring freezing and summer drought: a multispecies comparison. American Journal of Botany. 106: 531-539.

67. Kong, R, Henry, H. 2019. Cross acclimation effects of spring freezing and summer drought on plant functional groups and ecosystem properties. Environmental and Experimental Botany. 164: 52-57.

66. Heuchan, S, MacDonald, L, Bauman, B, Fan, B, Henry, H, Gillies, E. 2018. Photoinduced degradation of polymer films using polyglyoxylate-polyester blends abd copolymers. ACS Omega. 3: 18603-18612.

65. Moise, E.R.D., J.N. McNeil, S.E. Hartley, H.A.L. Henry. 2018. Plant silicon effects on insect feeding dynamics are context dependent: evidence for the influence of plant nitrogen availability. Entomologia Experimentalis et Applicata, 167:91-97.

64. Henry H.A.L., Murphy, S.D., McFarlane, M.L., Barna, H, Inlow, K., Hood, A., & J.C. Crosthwaite. 2018. Evaluating outcomes of restoration ecology projects on limited budgets: assessment of variation in sampling frequency and sampling intensity for four habitat types. Restoration Ecology, 27:457-465.

63. Henry H.A.L, M. Abedi, C.L. Alados, K.H. Beard, L.H. Fraser, A. Jentsch, J. Kreyling, A. Kulmatiski, E.G. Lamb, W. Sun, M.R. Vankoughnett, S. Venn, C. Werner, I. Beil, I. Blindow, S. Dahlke, M. Dubbert, A. Effinger, H.W. Garris, M. Gartzia, T. Gebauer, M.A. S. Arfin Khan, A.V. Malyshev, J. Morgan, C. Nock, J.P. Paulson, Y. Pueyo, H.J. Stover, X. Yang. 2018. Increased Soil Frost Versus Summer Drought as Drivers of Plant Biomass Responses to Reduced Precipitation: Results from a Globally Coordinated Field Experiment. Ecosystems, 21:1432–1444.

62. Dyson, M.E., Schummer, M.L., Barney, T.S., Henry, H.A.L. & S.A. Petrie. 2018. Survival and habitat selection of wood duck ducklings. Journal of Wildlife Management, 82:1725-1735.

61. Stover, H. & H.A.L. Henry. 2018. Soil homogenization and microedges: perspectives on soil-based drivers of plant diversity and ecosystem processes. Ecosphere, 9:e02289.

60. Kong, R.S. & H.A.L. Henry. 2018. Does cross-acclimation between drought and freezing stress persist over ecologically-relevant time spans? A test using the grass Poa pratensis. Plant Biology, 20:280-287.

59. Malyshev, A., Henry, H.A.L., Bolte, A., Arfin Khan, M.A.S. & J. Kreyling. 2018. Temporal photoperiod sensitivity and forcing requirements for budburst in temperate tree seedlings. Agricultural and Forest Meteorology, 248:82-90.

58. Zhou, Y., Berruti, F., Greenhalf, C., Tian, X. & H.A.L. Henry. 2017. Combined effects of biochar amendment, leguminous cover crop addition and snow removal on nitrogen leaching losses and nitrogen retention over winter and subsequent yield of a test crop (Eruca sativa L.). Soil Biology and Biochemistry 114:220-228.

57. Zhou, Y., Berruti, F., Greenhalf, C., Tian, X. & H.A.L. Henry. 2017. Increased retention of soil nitrogen over winter by biochar application: implications of biochar pyrolysis temperature for plant nitrogen availability. Agriculture, Ecosystems and Environment, 236:61–68.


56. Kong, R.S. & H.A.L. Henry. 2016. Elevated CO2 alleviates decreased freezing tolerance under high nitrogen in the grass, Poa pratensis. Plant Ecology, 217:1515-1522.


55. Kong, R.S. & H.A.L. Henry. 2016. Prior exposure to freezing stress enhances the survival and growth of Poa pratensis under severe drought. American Journal of Botany, 103:1890-1896.


54. Vankoughnett, M.R., Way, D.A. & H.A.L. Henry. 2016. Late winter light exposure increases summer growth in the grass Poa pratensis: implications for snow removal experiments and winter melt events. Environmental and Experimental Botany, 131:32-38.


53. Churchill, R., Schummer, M., Petrie, S. & H.A.L. Henry. 2016. Long-term changes in distribution and abundance of submerged aquatic vegetation and Dreissenid mussels in Long Point Bay, Lake Erie. Journal of Great Lakes Research, 42:1060-1069.


52. Fraser, L.H., Pither, J, Jentsch, A., Sternberg, M., Zobel, M., Askarizadeh, D., Bartha, S., Beierkuhnlein, C., Bennett, J., Bittel, A., Boldgiv, B., Boldrini, I.I., Bork, E., Brown, L., Cabido, M., Cahill, J., Carlyle, C.N., Campetella, G., Chelli, S., Cohen, O., Csergo, A., Díaz, S., Enrico, L., Ensing, D., Fidelis, A., Foster, B., Garris, H., Goheen, J.R., Henry, H.A.L., Hohn, M., Jouri, M. H., Klironomos, J., Koorem, K,, Lkhagva, A., Lodge, R.L., Long, R., Manning, P., Mitchell, R., Moora, M., Müller, S.C., Nabinger, C., Naseri, K., Overbeck, G.E., Palmer, T.M., Parsons, S., Pesek, M., Pillar, V.D., Pringle, R.M., Roccaforte, K., Schmidt, A., Shang, Z., Stahlmann, R., Stotz, G., Sugiyama, S., Szentes, S., Thompson, D., Tungalag, R., Undrakhbold, S., van Rooyen, M., Wellstein, C., Wilson, J.B., & T. Zupo. 2016. Response to Comment on "Worldwide evidence of a unimodal relationship between productivity and plant species richness". Science, 351.


51. Malyshev, A.V., Arfin Khan, M.A.S., Beierkuhnlein, C., Steinbauer, M.J., Henry, H.A.L., Jentsch, A., Dengler, J, Willner, E. & J. Kreyling. 2016. Plant responses to climatic extremes: within-species variation equals among-species variation. Global Change Biology 22:449-464.


50. Fraser, L.H., Pither, J, Jentsch, A., Sternberg, M., Zobel, M., Askarizadeh, D., Bartha, S., Beierkuhnlein, C., Bennett, J., Bittel, A., Boldgiv, B., Boldrini, I.I., Bork, E., Brown, L., Cabido, M., Cahill, J., Carlyle, C.N., Campetella, G., Chelli, S., Cohen, O., Csergo, A., Díaz, S., Enrico, L., Ensing, D., Fidelis, A., Foster, B., Garris, H., Goheen, J.R., Henry, H.A.L., Hohn, M., Jouri, M. H., Klironomos, J., Koorem, K,, Lkhagva, A., Lodge, R.L., Long, R., Manning, P., Mitchell, R., Moora, M., Müller, S.C., Nabinger, C., Naseri, K., Overbeck, G.E., Palmer, T.M., Parsons, S., Pesek, M., Pillar, V.D., Pringle, R.M., Roccaforte, K., Schmidt, A., Shang, Z., Stahlmann, R., Stotz, G., Sugiyama, S., Szentes, S., Thompson, D., Tungalag, R., Undrakhbold, S., van Rooyen, M., Wellstein, C., Wilson, J.B., & T. Zupo. 2015. Worldwide evidence of the unimodal relationship between productivity and plant species richness. Science 349: 302-305.


49. Konopka, M., Henry H.A.L., Marti, R. & E. Topp. 2015. Multi-year and Short-Term Responses of Soil Ammonia-Oxidizing Prokaryotes to Zinc Bacitracin, Monensin and Ivermectin, Singly or in Combination. Environmental Toxicology and Chemistry, 34: 618-625.

48. Henry, H.A.L. & E.R.D. Moise. 2015. Grass litter responses to warming and N addition: temporal variation in the contributions of litter quality and environmental effects to decomposition. Plant and Soil 389: 35-43.

47. Henry H.A.L., Hutchison, J., Kim, M. & B. McWhirter. 2015. Context matters for warming: interannual variation in grass biomass responses to seven years of warming and N addition. Ecosystems 18: 103-114.

46. McPhee, J., Borden, L., Bowles, J. & H.A.L. Henry. 2015. Tallgrass prairie restoration: implications of increased atmospheric nitrogen deposition when site preparation minimizes adventive grasses. Restoration Ecology 23: 34-42.

45. McWhirter, B. & H.A.L. Henry. 2015. Successional processes and global change: tree seedling establishment in response to warming and N addition in a temperate old field. Plant Ecology 216: 17-26.

44. Williams, C., Henry, H.A.L. & B. Sinclair. 2015. Cold truths: how winter drives responses of terrestrial organisms to climate change. Biological Reviews 90: 214-235.

43. Moise, E.R.D. & H.A.L. Henry. 2014. Interactive responses of grass litter decomposition to warming, nitrogen addition and detritivore access in a temperate old field. Oecologia 176: 1151-1160.

42. Schuerings, J., Jentsch, A., Hammerl, V., Lenz, K,, Henry, H.A.L., Malyshev, A. & J. Kreyling. 2014. Recurrent winter warming pulses enhance nitrogen cycling and soil biotic activity in temperate heathland and grassland mesocosms. Biogeosciences Discussions 11: 1-26.

41. Vankoughnett, M.R. & H.A.L. Henry. 2014. Soil freezing and N deposition: transient vs. multi-year effects on extractable C and N, potential trace gas losses and microbial biomass. Soil Biology and Biochemistry 77: 170-178.

40. Malyshev, A., Henry, H.A.L. & J. Kreyling. 2014. Relative effects of temperature vs. photoperiod on growth and cold acclimation of northern and southern ecotypes of the grass Arrhenatherum elatius. Environmental and Experimental Botany 106: 189-196.

39. Vankoughnett, M.R. & H.A.L. Henry. 2014. Soil freezing and N deposition: transient vs multi-year effects on plant productivity and relative species abundance. New Phytologist 202: 1277-1285.

38. Lapenis, A., Henry, H., Vuille, M. & J. Mower. 2014. Climatic factors controlling plant sensitivity to warming. Climatic Change 122: 723-734.

37. Henry, H.A.L. 2013. Reprint of Soil extracellular enzyme dynamics in a changing climate". Soil Biology and Biochemistry 56: 53-59.

36. Fraser, L.H, Henry, H.A.L., Cameron, C.N., White, S.R., Beierkuhnlein C., Cahill Jr., J.F., Casper, B.B., Cleland, E., Collins, S.L., Dukes, J.S., Knapp, A.K., Lind, E., Long, R., Luo, Y., Reich, P.B., Smith, M.D., Sternberg, M. & R. Turkington. 2013. Meta-Experiments: an emerging tool for testing global hypotheses in ecology and environmental science. Frontiers in Ecology and the Environment 11: 145-155.

35. Kim, M. & H.A.L. Henry. 2013. Net ecosystem CO2 exchange insensitive to warming and nitrogen addition in a temperate grass-dominated system. Plant and Soil 371: 409-421

34. Vankoughnett, M.R. & H.A.L. Henry. 2013. Combined effects of soil freezing and N Addition on losses and interception of N over winter and summer. Ecosystems 16: 694-703.

33. Malyshev, A.V. & H.A.L. Henry. 2012. Frost damage and winter nitrogen uptake by the grass Poa pratensis L.: consequences for vegetative versus reproductive growth. Plant Ecology 213: 1739-1747.

32. Malyshev, A.V. & H.A.L. Henry. 2012. N uptake and growth responses to sub-lethal freezing in the grass Poa pratensis L. Plant and Soil 360: 175-185.

31. Moise, E.R.D. & H.A.L. Henry. 2012. Interactions of herbivore exclusion with warming and N addition in a grass-dominated temperate old field. Oecologia 169: 1127-1136.

30. Henry, H. A. L. 2012. Soil extracellular enzyme dynamics in a changing climate. Soil Biology & Biochemistry 47: 53-59.

29. Newman, J.A., Anand, A, Henry, H.A.L., Hunt, S. & Z. Gedalof. 2011. Climate Change Biology. CABI, Oxfordshire, UK.

28. Bell, T.B. & H.A.L. Henry. 2011. Do rain events drive temporal variability in soil extracellular enzyme activity by promoting enzyme leaching? Pedobiologia 54: 141-146.

27. Kreyling, J. & H.A.L. Henry. 2011. Vanishing winters - trends in soil frost dynamics and snow cover in Germany and their ecological implications. Climatic Research 46: 269-276.

26. Mensink P. & H.A.L. Henry. 2011. Rain events influence short term feeding preferences in the snail Cepaea nemoralis. Journal of Molluscan Studies 77: 241-247.

25. Gutknecht, J.L.M., Henry, H.A.L. & T.C. Balser. 2010. Inter-annual variation in soil extra-cellular enzyme activity in response to simulated global change and fire disturbance. Pedobiologia 53: 283-293.

24. Hutchison, J.S. & H.A.L. Henry. 2010. Additive effects of warming and increased nitrogen deposition in a temperate old field: plant productivity and the importance of winter. Ecosystems 13: 661-672.

23. Bell, T.B., J.N. Klironomos & H.A.L. Henry. 2010. Seasonal effects of warming and nitrogen addition on soil extracellular enzyme activity and microbial biomass in a temperate old field. Soil Science Society of America Journal 74: 820-828.

22. Moise, E.R.D. & H.A.L. Henry. 2010. Like moths to a street lamp: exaggerated animal densities in plot-level global change field experiments. Oikos 119: 791-795.

21. Turner, M.M. & H.A.L. Henry. 2010. Interactive effects of warming and nitrogen deposition on net nitrogen mineralization and leaching losses in a temperate old field: the importance of winter. Oecologia 162: 227-236.

20. Turner, M.M. & H.A.L. Henry. 2009. Interactive effects of warming and increased nitrogen deposition on 15N tracer retention in a temperate old field: seasonal trends. Global Change Biology 15: 2885-2893.

19. Elliott, A.C. & H.A.L. Henry. 2009. Freeze-thaw cycles amplitude and freezing rate effects on extractable nitrogen in a temperate old field soil. Biology and Fertility of Soils 45: 469-476.

18. Joseph, G. & H.A.L. Henry. 2009. Retention of surface nitrate additions in a temperate old field: implications for atmospheric nitrogen deposition over winter and plant nitrogen availability. Plant and Soil 319: 209-218.

17. H.A.L. Henry & R.L. Jefferies. 2009. Opportunistic herbivores, migratory connectivity, and catastrophic shifts in Arctic coastal systems. In Human Modification of North American Salt Marshes (eds B.R. Silliman, M.D. Bertness & T. Grosholtz), University of California Press.

16. Joseph, G. & H.A.L. Henry. 2008. Soil nitrogen leaching losses in response to freeze-thaw cycles and pulsed warming in a temperate old field. Soil Biology & Biochemistry 40: 1947-1953.

15. Henry, H.A.L., K. Brizgys & C.B. Field. 2008. Litter decomposition in a california annual grassland: interactions between photodegradation and litter layer thickness. Ecosystems 11: 545-554.

14. Henry, H.A.L. 2008. Climate change and soil freezing dynamics: historical trends and projected changes. Climatic Change 87: 421-434.

13. Henry, H.A.L. 2007. Soil freeze-thaw cycle experiments: trends, methodological weaknesses and suggested improvements. Soil Biology & Biochemistry 39: 977-986.

12. Henry, H.A.L., N.R. Chiariello, P.M. Vitousek, H.A. Mooney & C.B. Field. 2006. Interactive effects of fire, elevated CO2 and N deposition on a California annual grassland. Ecosystems 9: 1066-1075.

11. Henry, H.A.L, J.D. Juarez, C.B. Field & P.M. Vitousek. 2005. Interactive effects of elevated CO2, N deposition and climate change on extracellular enzyme activity and soil density fractionation in a California annual grassland. Global Change Biology 11: 1808-1815.

10. Henry, H.A.L., E.E. Cleland, C.B. Field & P.M. Vitousek. 2005. Interactive effects of elevated CO2, N deposition and climate change on plant litter quality in a California annual grassland. Oecologia 142: 465-473.

9. Jefferies, R.L., H.A.L. Henry & K.F. Abraham. 2004. Agricultural nutrient subsidies to migratory geese and ecological change to Arctic coastal habitats. In Food Webs at the Landscape Level (eds G.A. Polis, M.E. Power & G.R. Huxel), University of Chicago Press.

8. Henry, H.A.L. & R.L. Jefferies. 2003. Plant amino acid uptake, soluble N turnover and microbial N capture in soils of a grazed Arctic salt marsh. Journal of Ecology 91: 627-636.

7. Walker, N.A., H.A.L. Henry, D.J. Wilson & R.L. Jefferies. 2003. The dynamics of nitrogen movement in an Arctic salt marsh in response to goose herbivory: a parameterized model with alternate stable states. Journal of Ecology 91: 637-650.

6. Henry, H.A.L. & R.L. Jefferies. 2003. Interactions in the uptake of amino acids, ammonium and nitrate ions in the Arctic salt-marsh grass, Puccinellia phryganodes. Plant, Cell & Environment 26: 419- 428.

5. Henry, H.A.L. & S.C. Thomas. 2002. Interactive effects of lateral shade and wind on stem allometry, biomass allocation and mechanical stability in Abutilon theophrasti (MALVACEAE). American Journal of Botany 89: 1609-1615.

4. Henry, H.A.L. & R.L. Jefferies. 2002. Free amino acid, ammonium and nitrate concentrations in soil solutions of a grazed coastal marsh in relation to plant growth. Plant, Cell & Environment 25: 665-675.

3. Henry, H.A.L. & L.W. Aarssen. 2002. Inter- and intraspecific relationships between shade tolerance and shade avoidance in temperate trees. Oikos 93: 477-487.

2. Henry, H.A.L. & L.W. Aarssen. 1999. The interpretation of stem diameter-height allometry in trees: biomechanical constraints, neighbour effects, or biased regressions? Ecology Letters 2: 89-97.

1. Henry, H.A.L. & L.W. Aarssen. 1997. On the relationship between shade tolerance and shade avoidance in woodland plants. Oikos 80: 575-582.