R. Paiva

Publications (8)3.86 Total impact

• Source

  Available from: Hans ter Steege

  Article: Coordination of physiological and structural traits in Amazon forest trees

  S. Patiño, N. M. Fyllas, T. R. Baker, R. Paiva, C. A. Quesada, A. J. B. Santos, M. Schwarz, H. ter Steege, O. L. Phillips, J. Lloyd
  Biogeosciences 01/2012; 9:775-801. · 3.86 Impact Factor
• Source

  Available from: Nicolau Priante-Filho

  Article: Branch xylem density variations across Amazonia

  S. Patiño, J Lloyd, R. Paiva, C. A. Quesada, T. R. Baker, A. J. B. Santos, L. M. Mercado, Y. Malhi, O. L. Phillips, A. Aguilar, [......], S. Soares de Almeida, A. Torres Lezama, J. D. Turriago, R. Vásquez Martínez, M Schwarz, A. Sota, J. Schmerler, I. Vieira, B. Villanueva, P. Vitzthum
  [show abstract] [hide abstract]
  ABSTRACT: Measurements of branch xylem density, D _x, were made for 1466 trees representing 503 species, sampled from 80 sites across the Amazon basin. Measured values ranged from 240 kg m^?3 for a Brosimum parinarioides from Tapajos in West Pará, Brazil to 1130 kg m^?3 for an Aiouea sp. from Caxiuana, Central Pará, Brazil. Analysis of variance showed significant differences in average D _x across the sample plots as well as significant differences between families, genera and species. A partitioning of the total variance in the dataset showed that geographic location and plot accounted for 33% of the variation with species identity accounting for an additional 27%; the remaining "residual" 40% of the variance accounted for by tree to tree (within species) variation. Variations in plot means, were, however, hardly accountable at all by differences in species composition. Rather, it would seem that variations of xylem density at plot level must be explained by the effects of soils and/or climate. This conclusion is supported by the observation that the xylem density of the more widely distributed species varied systematically from plot to plot. Thus, as well as having a genetic component branch xylem density is a plastic trait that, for any given species, varies according to where the tree is growing and in a predictable manner. Exceptions to this general rule may be some pioneers belonging to Pourouma and Miconia and some species within the genera Brosimum, Rinorea and Trichillia which seem to be more constrained in terms of this plasticity than most species sampled as part of this study.
• Article: Variations in leaf physiological properties within Amazon forest canopies

  Jonathan Lloyd, Sandra Patino, R. Paiva, G. B. Nardoto, C. A. Quesada, A. J. B. Santos, Timothy Russell Baker, Willi A. Brand, Ines Hilke, Heike Geilmann, Michael Raessler, F. Luizao, L. A. Martinelli, Lina M. Mercado
  Biogeosciences Discussions, v.6, 4639-4692 (2009).
• Article: Chemical and physical properties of Amazon forest soils in relation to their genesis

  C. A. Quesada, Jonathan Lloyd, M Schwarz, Sandra Patino, Timothy Russell Baker, Claudia I. Czimczik, N. M. Fyllas, L. A. Martinelli, G. B. Nardoto, Jens Schmerler, [......], Michael Raessler, Willi A. Brand, Heike Geilmann, J. O. Moraes Filho, F. P. Carvalho, R. N. Araujo Filho, J. E. Chaves, O. F. Cruz Junior, T. P. Pimentel, R. Paiva
  Biogeosciences Discussions, v.6, 3923-3992 (2009).
• Article: Optimisation of photosynthetic carbon gain and within-canopy gradients of associated foliar traits for Amazon forest trees

  Jonathan Lloyd, Sandra Patino, R. Paiva, G. B. Nardoto, C. A. Quesada, A. J. B. Santos, Timothy Russell Baker, Willi A. Brand, Ines Hilke, Heike Geilmann, Michael Raessler, F. Luizao, L. A. Martinelli, Lina M. Mercado
  Biogeosciences, v.7, 1833-1859 (2010).
• Source

  Available from: Gabriela B Nardoto

  Article: Basin-wide variations in foliar properties of Amazonian forest: phylogeny, soils and climate

  N. M. Fyllas, Sandra Patino, Timothy Russell Baker, G. B. Nardoto, L. A. Martinelli, C. A. Quesada, R. Paiva, M Schwarz, Viviana Horna, Lina M. Mercado, [......], D. A. Neill, N. Silva, A Prieto, A. Rudas, M. Silviera, I. C. G. Vieira, G. Lopez-Gonzalez, Y. Malhi, O. L. Phillips, Jonathan Lloyd
  Biogeosciences, v.6, 2677-2708 (2009).
• Article: Variations in chemical and physical properties of Amazon forest soils in relation to their genesis

  C. A. Quesada, Jonathan Lloyd, M Schwarz, Sandra Patino, Timothy Russell Baker, Claudia I. Czimczik, N. M. Fyllas, L. A. Martinelli, G. B. Nardoto, Jens Schmerler, [......], Michael Raessler, Willi A. Brand, Heike Geilmann, J. O. Moraes, F. P. Carvalho, R. N. Araujo, J. E. Chaves, O. F. Cruz, T. P. Pimentel, R. Paiva
  Biogeosciences, v.7, 1515-1541 (2010).
• Article: Branch xylem density variations across the Amazon Basin

  Sandra Patino, Jonathan Lloyd, R. Paiva, Timothy Russell Baker, C. A. Quesada, Lina M. Mercado, Jens Schmerler, M Schwarz, A. J. B. Santos, A. Aguilar, [......], A. Rudas, R. Salomao, N. Silva, M. Silveira, S. Soares de Almeida, A. Torres Lezama, R. Vásquez Martínez, I. C. G. Vieira, Y. Malhi, O. L. Phillips
  Biogeosciences, v.6, 545-568 (2009).