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U of T | Faculty of Forestry
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Thomas lab publications

2011

    • Thomas, S.C. (2011) Genetic vs. phenotypic responses of trees to altitude (commentary). Tree Physiology, 31:1161-1163.pdf

    • Norghauer, J.M., Martin, A.R., Mycoft, E.E., James, A., and Thomas, S.C. (2011) Island invasion by a threatened tree species: evidence for natural enemy release of mahogany (Swietenia macrophylla) on Dominica, Lesser Antilles. PLoS One, 6: e18790.99.pdf

    • Makana, J.-R., Ewango, C.N., McMahon, S.M., Thomas, S.C., Hart, T.B.,. Condit, R. (2011) Demography and biomass change in monodominant and mixed old-growth forest of the Congo. Journal of Tropical Ecology, 27:447-461.pdf

    • Martin, A.R., and Thomas, S.C. (2011) A reassessment wood carbon content in tropical trees. PLoS One, 6:e23533.pdf

    • Patankar, R., Smith, S.M., and Thomas, S.C. (2011) Parasite loads of a gall-forming mite drive declines in canopy tree photosynthesis. Oecologia, 167:701-709.pdf

    • Thomas, S.C. (2011) Age-related changes in tree growth and functional biology: the role of reproduction. Invited chapter for “Size- and Age-Related Changes in Tree Structure and Function”, Meinzer, F.C., Dawson, T., and Lachenbruch B.J., eds. (Springer-Verlag Tree Physiology Series). Pages 33-64.pdf

2010

    • Peng, Y.Y., and S.C. Thomas (2010) Influence of non-nitrogenous soil amendments on soil CO2 efflux and fine root production in a northern hardwood forest. Ecosystems, 13: 1145-1156.

    • Baltzer, J.L., and Thomas, S.C. (2010) A second dimension to the leaf economics spectrum predicts habitat association in a tropical forest. PLoS One, 5: e13163.pdf

    • Thomas, S.C. (2010) Photosynthetic capacity peaks at intermediate size in temperate deciduous trees. Tree Physiology, 30: 555–573.pdf

    • Thomas, S.C., Sztaba, A., and Smith, S.M. (2010) Herbivory patterns in mature sugar maple: variation with vertical strata and tree ontogeny. Ecological Entomology, 35: 1-8.pdf

    • Thorpe, H.C., Fuller, M.M., Vanderwel, M., Thomas, S.C., and Caspersen, J.P. (2010) Modelling stand dynamics following partial harvests: a spatially explicit analysis for lowland black spruce. Ecological Modelling, 221: 256-267.pdf

2009

    • Lewis, S.L., Lopez-Gonzalez, G., Sonké, B., Affim-Baffoe, K., Baker T.R., Ojo, L.O., Phillips, O.L., White, L., Reitsma, J., White, L., Comsikey, J., Ewango,  C., Feldpausch, T., Hamilton, A.C., Hart, T.B., Hladik, A., Kamdem, M.-N.D., Lloyd, J., Lovett, J., Makana, J.-R., Malhi, Y., Mbago, M., Ndangalasi, H.J., Peacock, J., Peh, K.S.-H., Sheil, D., Sunderland, T., Swaine, M.D., Taplin, J., Taylor, D., Thomas, S.C., Votere, R., Wöll, H., (2009). Increasing carbon storage in intact African tropical forests. Nature, 457: 1003-1006.pdf

    • Jones, T.A., Domke, G.M., and S.C. Thomas  (2009) Canopy tree growth responses following selection harvest in seven species varying in shade tolerance. Canadian Journal of Forest Research, 39: 430-440.pdf

2008

    • Peng, Y.Y., Thomas, S.C., and D. Tian. (2008) Forest management and soil respiration: implications for carbon  sequestration.  Environmental Reviews, 16: 93-111.pdf

    • Vanderwel, M., Thorpe, H.C., Shuter, J., Caspersen, J.P., Thomas, S.C. (2008) Decay dynamics of coarse woody debris in a northern hardwood forest depends on management history. Canadian Journal of Forest Research, 38: 2850–2861.pdf

    • Thorpe, H.C., Thomas, S.C., and Caspersen, J.P. (2008) Tree mortality following structural retention harvests is determined by skidding proximity. Ecological Applications, 18: 1652-1663.pdf

    • Nock, C.A., Caspersen, J.P., and Thomas, S.C. (2008) Large ontogenetic declines in intra-crown leaf area index in two temperate deciduous tree species. Ecology, 89: 744-753.pdf

    • Arii, K., Caspersen, J.P., Thomas, S.C. (2008) A selection harvesting algorithm for use in spatially explicit individual-based forest simulation models. Ecological Modelling, 211: 251-266.pdf

    • Chave, J., Condit, R., Muller-Landau, H.C., Thomas, S.C., Ashton, P. S., Brokaw, N.V.L., Bunyavejchewin, S., Co, L.L., Dattaraja, H.S., Davies, S. J., Esufali S., Ewango, C.E.C., Feeley, K.J., Foster, R.B., Gunatilleke, I.A.U.N., Gunatilleke, C.V.S., Hall, P., Hart T. B., Hernandez, C., Hubbell, S.P., Itoh, A., Kiratiprayoon, S., LaFrankie. J.V., Loo de Lao. S., Makana. J.-R., Nur Supardi, M. N., Rahman Kassim, A., Samper. C., Sukumar, R., Suresh, H.S., Tan, S., Thompson, J., Tongco , D.G., Valencia, R., Vallejo, M., Villa, G., Yamakura, T., , Zimmerman, J.K., Loses, E.C. (2008) Changes in tropical forest biomass dominance across species and functional groups. PLoS Biology, 6: e45.pdf

    • Gradowski, T., and S.C. Thomas (2008) Responses of canopy trees and saplings to P, K, and lime additions in Acer saccharum under  high N deposition conditions. Tree Physiology, 28: 173-185.pdf

       

2007

    • Zhang, Y, Chen, J.M, and S.C. Thomas (2007) Retrieving seasonal variation in chlorophyll content of overstory and understory sugar maple from leaf-level hyperspectral data. Canadian Journal of Remote Sensing, 33: 406-415.pdf

    • Baltzer, J.L., and Thomas, S.C. (2007b) Determinants of whole plant light requirements in Bornean rain forest trees. Journal of Ecology, 95: 1208-1221.pdf

    • Thorpe, H.C., Thomas, S.C. and Caspersen, J.P. (2007) Residual-tree growth responses to partial stand harvest in the black spruce (Picea mariana) forest. Canadian Journal of Forest Research, 37: 1563-1571.pdf

    • Chen, J.M., Thomas, S.C., Yin, Y., Maclaren, V., Liu, J., Pan, J., Liu, G., Tian, Q., Zhu, Q., Pan, J.-J., Shi, X., Xue, J., Kang, E. (2007) Toward scientifically-based and economically and socially viable land use decisions for forest carbon sequestration in China.  Journal of Environmental Management, 85: 515-523.pdf

    • Thomas, S.C., and Malczewski, G.  (2007) Wood carbon content of selected tree species in eastern China: inter-specific variability and the importance of the volatile fraction. Journal of Environmental Management, 85: 659-662.pdf

    • Thomas, S.C., Malczewski, G., Saprunoff, M. (2007) Assessing the potential of native tree species for carbon sequestration forestry in northeast China. Journal of Environmental Management, 85: 663-671.pdf

    • Baltzer, J.L., and Thomas, S.C. (2007a) Physiological and morphological correlates of whole plant light compensation point in temperate deciduous tree seedlings. Oecologia, 153: 209-223.pdf

    • Thorpe, H.C., and S.C. Thomas (2007) Partial harvesting in the Canadian boreal: success will depend on stand dynamic responses. Forestry Chronicle, 83:319-325.pdf

    • Jones, T.A., and S.C. Thomas  (2007) Leaf-level acclimation to gap creation in mature Acer saccharum trees. Tree Physiology 27:281-290.pdf

     

2006

    • Peng, Y.Y., and S.C. Thomas (2006) Soil surface CO2 efflux in an uneven-aged northern hardwood forest: effects of harvests and edaphic heterogeneity. Plant and Soil 289: 253-264.pdf

    • Condit, R., Ashton, P.S., Bunyavejchewin, S., Dattaraja, H.S., Davies, S., Esufali, S., Ewango, C.E.N., Foster, R., Gunatilleke, C.V.S., Gunatilleke,  I.A.U.N., Hall, P., Harms, K.E., Hart, T., Hernandez, C., Hubbell, S.P., Itoh, A., Kassim, A. R., Kiratiprayoon, S., LaFrankie, J.V., Loo de Lao, S., Makana, J.-R., Nur Supardi, M. N, Russo, S., Sukumar, R., Samper, C., Suresh, H.S., Tan, S., Thomas, S., Valencia, R., Vallejo, M.I., Villa, G. (2006) Importance of demographic niches to tree diversity.  Science 313: 98-101.pdf

    • Makana, J.-R., and S.C. Thomas (2006) Impacts of selective logging and forest clearing on timber tree regeneration, forest structure and floristic composition in the Ituri Forest, Democratic Republic of Congo. Biodiversity and Conservation 15: 1375-1397.pdf

    • Cooper, C.E., S.C. Thomas, and W.E. Winner (2006) Foliar respiration in an old-growth Pseudotsuga-Tsuga forest. Canadian Journal of Forest Research 36: 216-226.pdf

    • Gradowski, T., and S.C. Thomas (2006) Phosphorus limitation of sugar maple growth in central Ontario.  Forest Ecology and Management  226: 104-109.pdf

    • Muller-Landau, H.C., Condit, R.S., Chave,  J., Thomas,  S.C., Bohlman, S.A., Bunyavejchewin, S., Davies, S., Foster, R., Gunatilleke, C.V.S., Gunatilleke,  I.A.U.N., Harms, K.E., Hart, T., Hubbell, S.P., Itoh, A., Kassim, A. R., , LaFrankie, J.V., Lee, H.S., Losos, E., Makana, J.-R., , Ohkubo, T., Sukumar, R.,  Sun, I-F., Nur Supardi, M. N, Tan, S., Thompson, J., Valencia, R., Muñoz, G.V., Wills, C., Yamakura, T., Chuyong,  G., Dattaraja, H.S., Esufali, S., Hall, P., Hernandez, C., Kenfack, D., Kiratiprayoon, S., Suresh, H.S., Thomas, D., Vallejo, M.I., Ashton, P.S. (2006a) Testing metabolic ecology theory for allometric scaling of tree size, growth, and mortality in tropical forests. Ecology Letters 9: 575-588.pdf

    • Muller-Landau, H.C., Condit, R.S., Harms, K.E., Marks, C.O., Thomas, S.C., Bunyavejchewin, S., Chuyong, G., Co, L., Davies, S., Foster, R., Gunatilleke, C.V.S., Gunatilleke,  I.A.U.N., Hart, T., Hubbell, S.P., Itoh, A., Kassim, A. R., , Kenfack, D., LaFrankie, J.V., Lagunzad, D., Lee, H.S., Losos, E., Makana, J.-R., , Ohkubo, T., Samper, C., Sukumar, R.,  Sun, I-F., Nur Supardi, M. N, Tan, S., Thomas, D., Thompson, J., Valencia, R., Vallejo, M.I., Muñoz, G.V., Yamakura, T., Zimmerman, J.K., Dattaraja, H.S., Esufali, S., Hall, P., He, F., Hernandez, C., Kiratiprayoon, S., Suresh, H.S., Wills, C., Ashton, P.S. (2006b) Comparing tropical forest tree size distributions with the predictions of metabolic ecology and equilibrium models. Ecology Letters 9: 589-602.pdf

2005

    • Baltzer, J.L., Thomas, S.C., R. Nilus, and D.F.R.P. Burslem (2005) Edaphic specialization in tropical rain forest trees: physiological correlates and responses to reciprocal transplantation. Ecology 86: 3063-3077.pdf

    • Ickes, K., C.J. Paciorek , and S.C. Thomas (2005) Impacts of nest construction by native pigs (Sus scrofa) on lowland Malaysian rain forest saplings.  Ecology 86: 1540-1547.pdf

    • Makana, J.-R., and S.C. Thomas (2005) Effects of light-gaps and litter removal on seedling performance in six African timber tree species.  Biotropica 37: 227-237.pdf

    • Thomas, S.C.  (2005) Increased leaf reflectance in tropical trees under elevated CO2.  Global Change Biology 11: 197-202.pdf

    • Baltzer, J.L., and Thomas, S.C. (2005) Leaf optical responses to light and soil nutrient levels in temperate deciduous trees.  American Journal of Botany 92: 214-223.pdf

    • Bebber, D.P., W.G. Cole, S.C. Thomas, D. Balsillie, and P. Duinker (2005) Effects of retention harvests on structure of old-growth Pinus strobus L. stands in Ontario.  Forest Ecology and Management 205: 91-103.pdf

2004

    • Thomas, S.C.  (2004)  Ecological correlates of tree species persistence in tropical forest fragments.  Pages 279-314  in:  E. C. Losos and E. G. Leigh, eds.  Forest diversity and dynamism: findings from a large-scale plot network.  University of Chicago Press, Chicago, Illinois, USA.

    • Parker, G.G., M.E. Harmon, M.A. Lefsky, J. Chen, , R. Van Pelt, S.B. Weiss, S.C. Thomas, W.E. Winner, D.C. Shaw,  and J.F. Franklin (2004)  Three-dimensional structure of an old-growth Pseudotsuga-Tsuga canopy and its implications for radiation balance, microclimate, and gas exchange.  Ecosystems 7: 440-453.pdf

    • Winner, W.E., S.C. Thomas, J. A. Berry, B.J. Bond, C.E. Cooper, T.M. Hinckley, J.R. Ehleringer, J.E. Fessenden, B. Lamb, S. McCarthy, N.G. McDowell, N. Phillips, and M. Williams (2004)  Mechanisms of canopy carbon gain and water use:  analysis of old-growth conifers in the Pacific Northwest.  Ecosystems 7: 482-497.pdf

    • Paw U, K.T., M. Falk, T.H. Suchanek, S.L. Ustin, J. Chen, Y.-S. Park, W.E. Winner, S.C. Thomas, T.C. Hsiao, R.H. Shaw, T.S. King, R.D. Pyles, M. Schroeder, and A.A. Matista  (2004)  Carbon dioxide exchange between an old-growth forest and the atmosphere.   Ecosystems 7: 513-524.pdf

    • Jones, T.A. , and S.C. Thomas (2004)  The time-course of diameter increment responses to selection harvests in Acer saccharum.  Canadian Journal of Forest Research 34: 1525-1533.pdf

    • Makana, J.-R., and S.C. Thomas (2004) Dispersal limits natural recruitment of African mahoganies.  Oikos 106: 67-72.pdf

    • Wright, I.J., P.B. Reich, M. Westoby, D. Ackerly, Z. Baruch, J. Cavendar-Bares, T. Chapin, H. Cornelissen, M. Diemer, J. Flexas, E. Garnier, P.K. Groom, J. Gulias, K. Hikosaka, B.B. Lamont, T. Lee, W. Lee, C. Lusk, J.J. Midgley, M.-L. Navas, U. Niinemets, J. Oleskyn, N. Osada, H. Poorter, P. Poot, L. Prior, V. Pyankov, C. Roumet, S.C. Thomas, M.G. Tjoelker, E.J. Veneklass, R. Villar.  (2004).  The worldwide leaf economics spectrum.  Nature 428: 821-827.pdf

    • Bebber, D.P, S.C. Thomas, W.G. Cole, and D. Balsillie  (2004) Diameter increment in mature eastern white pine Pinus strobus L. following partial harvest of old-growth stands in Ontario, Canada.  Trees: Structure and Function, 18:29-34.pdf

2003

    • Bebber, D.P., and S.C. Thomas (2003)  Prism sweeps for coarse woody debris.  Canadian Journal of Forest Research 33: 1737-1743.pdf

    • Okuda, T., Manokaran, N., Matsumoto, Y., Niiyama, K., Thomas, S.C., and Ashton, P.S., editors (2003) Pasoh: Ecology of a lowland rain forest in Southeast Asia.   Springer-Verlag, Tokyo.   628 pp.

    • Thomas, S.C.  (2003)  Comparative biology of tropical trees: a perspective from Pasoh.  Pages 171-194  in Okuda, T., Manokaran, N., Matsumoto, Y., Niiyama, K., Thomas, S.C., and Ashton, P.S., (eds.) Pasoh: Ecology of a lowland rain forest in Southeast Asia.   Springer-Verlag, Tokyo.

    • Ickes, K., and S.C. Thomas (2003) Native, wild pigs (Sus scrofa) at Pasoh and their impacts on the plant community.  Pages 507-520 in Okuda, T., Manokaran, N., Matsumoto, Y., Niiyama, K., Thomas, S.C., and Ashton, P.S., (eds.) Pasoh: Ecology of a lowland rain forest in Southeast Asia.   Springer-Verlag, Tokyo.

    • Leal, D.A., and S.C. Thomas (2003) Vertical gradients and tree-to-tree variation in shoot morphology and foliar nitrogen in an old-growth Pinus strobus L. stand.   Canadian Journal of Forest Research 33: 1304-1314.pdf

    • Ickes, K., S.J. DeWalt, and S.C. Thomas (2003) Resprouting of woody saplings following stem snap by wild pigs in a Malaysian rain forest.  Journal of Ecology 91: 222-233.pdf

2002

    • Thomas, S.C., and J. MacLellan (2002) Boreal and temperate forests.  Encyclopedia of Life Support Systems.  EOLSS Publishers Co., UNESCO, Paris. Available in electronic format at http://www.eolss.net.

    • Henry, H.A.L., and 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.pdf

    • Thomas, S.C., and J.L. Baltzer (2002) Tropical Forests.  Invited article for: Encyclopedia of Life Sciences.  MacMillan Reference Limited, London, UK.  Available in electronic format at http://www.els.net.

    • Thomas, S.C. (2002) Turner's concise encyclopedia of tropical tree biology.  (Review of "The ecology of trees in the tropical rain forest", by I.M. Turner).  American Journal of Botany 89: 546-549.pdf

    • Thomas, S.C., and W.E. Winner (2002) Photosynthetic differences between saplings and adult trees:  An integration of field results by meta-analysis.  Tree Physiology 22: 117-127.pdf

2001

    • Thomas, S.C., Liguori, D.A., and C. B. Halpern (2001)  Corticolous bryophytes in managed Douglas-fir forests: habitat differentiation and responses to thinning and fertilization. Canadian Journal of Botany 79: 886-896.pdf

    • Weiner, J., and S.C. Thomas (2001) The nature of tree growth and the “age-related decline in forest productivity”.  Oikos 94: 374-376.pdf

    • Thomas, S.C. (2001) Reproduction, Asexual.   Pages 18-19 in:  Plant Sciences, Vol. 4 (R-Z).  MacMillan Reference Limited, New York, NY, USA.

    • Burslem, D.F.R.P., Garwood, N.C., and S.C. Thomas.  (2001) Tropical tree diversity — the plot thickens.  Science 291: 606-607.

    • Thomas, S.C. and J. G. Kingsolver  (2001) Natural selection: responses to current (anthropogenic) environmental changes.  Encyclopedia of Life Sciences.  MacMillan Reference Limited, London, UK.  Available in electronic format at http://www.els.net.

2000

    • Thomas, S.C., and W. E. Winner (2000) Leaf area index of an old-growth Douglas-fir forest estimated from direct structural measurements in the canopy.   Canadian Journal of Forest Research, 30: 1922-1930.pdf

    • Thomas, S.C., and W. E. Winner (2000) A rotated ellipsoidal angle density function improves estimation of foliage inclination distributions in forest canopies.  Agricultural and Forest Meteorology, 100: 19-24.pdf

1999

    • Thomas, S.C., Halpern, C.B., Liguori, D.A., Falk, D.A., and K.A. Austin (1999) Plant diversity in managed forests: understory responses to silvicultural thinning and fertilization in Douglas-fir plantations.  Ecological Applications, 9: 864-879.pdf

    • Thomas, S.C., and F.A. Bazzaz (1999) Asymptotic height as a predictor of photosynthetic characteristics in Malaysian rain forest trees.   Ecology, 80: 1607-1622.pdf

    • Thomas, S.C.,  Jasienski, M., and F.A. Bazzaz (1999)  Early vs. asymptotic growth responses of herbaceous plants to elevated CO2.  Ecology, 80: 1552-1567.pdf

1998

    • Jasienski, M., Thomas, S.C., and F.A. Bazzaz (1998)  Blaming the trees: a critique of research on forest responses to high CO2.   Trends in Ecology and Evolution, 13: 427.pdf

1997

    • Thomas S.C. (1997) Geographic parthenogenesis in a tropical rain forest tree.   American Journal of Botany 84: 1012-1015.pdf

1996

    • Thomas S.C. (1996) Reproductive allometry in Malaysian rain forest trees: biomechanics vs. optimal allocation.  Evolutionary Ecology 10: 517-530.

    • Thomas S.C. (1996) Relative size at reproductive onset in rain forest trees: a comparative study of 37 Malaysian species.  Oikos 76: 145-154.

    • Thomas, S.C., and M. Jasienski (1996) Genetic variability and the nature of microevolutionary responses to elevated CO2.   Pages 51-81 in Ch. Körner and F.A. Bazzaz (eds), Carbon dioxide: Populations and communities.  Physiological Ecology: a series of monographs, texts, and treatises.  Academic Press, New York.

    • Bazzaz, F.A., S.L. Bassow, G.M. Berntson, and S.C. Thomas (1996) Elevated CO2 and terrestrial vegetation: implications for and beyond the global carbon budget.  Pages 43-76 in Brian H. Walker (ed), Global Change and Terrestrial Ecosystems.  Academic Press, New York.

    • Thomas, S.C. (1996) Asymptotic height as a predictor of growth and allometric characteristics of Malaysian rain forest trees.  American Journal of Botany 83: 556-566.pdf

    • Thomas, S.C., and F.A. Bazzaz (1996) Elevated CO2 and leaf shape: are dandelions getting toothier?  American Journal of Botany 83: 106-111.pdf

1995

    • Thomas, S.C., and K. Ickes (1995)  Ontogenetic changes in leaf size in Malaysian rain forest trees.  Biotropica 27: 427-434.pdf

    • Bazzaz, F.A., Jasienski, M., Thomas, S.C., and P. Wayne  (1995) Microevolutionary responses in experimental populations of plants to a CO2-enriched environment: parallel results from two model systems.  Proceedings of the National Academy of Sciences, USA, 92: 8161-8165.pdf

    • Thomas, S.C., and S. Appanah (1995) On the statistical analysis of reproductive size thresholds in dipterocarp forests.  Journal of Tropical Forest Science 7: 412-418.

1993

    • Thomas, S.C. (1993)  Interspecific allometry in Malaysian rain forest trees.  Ph.D. thesis, Harvard University.

    • Thomas, S.C., and F.A. Bazzaz (1993) The genetic component in plant size hierarchies: norms of reaction to density in a Polygonum species. Ecological Monographs 63: 231-250.pdf

    • Thomas, S.C., and J.V. La Frankie (1993) Sex, size, and inter-year variation in flowering among dioecious trees of the Malayan rainforest understory.  Ecology 74: 1529-1537.pdf

1992

    • Weiner, J., and S.C. Thomas (1992) Competition and allometry in three species of annual plants.  Ecology 73:648-656.pdf

1991

    • Thomas, S.C. (1991) Population densities and patterns of habitat use among anthropoid primates of the Ituri Forest, Zaire.  Biotropica 23:68-83.pdf

1990

    • Weiner, J., Berntson, G.M. and S.C. Thomas (1990)  Competition and growth form in a woodland annual.  Journal of Ecology 78:459-469.pdf

1989

    • Thomas, S.C., and J. Weiner (1989a) Growth, death, and size distribution change in a population of Impatiens pallida.  Journal of Ecology 77:524-536.pdf

    • Thomas, S.C., and J. Weiner (1989b) Including competitive asymmetry in measures of local interference in plant populations.  Oecologia 80:349-355.

1986

    • Weiner, J.,  and S.C. Thomas (1986)  Size variability and competition in plant monocultures.  Oikos 47:211-222.

    • Hart, J.A., T.B. Hart, and S.C. Thomas (1986) The Ituri Forest of Zaire: Primate diversity and prospects for conservation.  Primate Conservation 7:42-44.

 

 

 

 

 

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