44. Lugli, L., Rosa, J., Andersen, K., Di Ponzio, R., Almeida, R., Pires, M., Cordeiro, A., Cunha, H., Martins, N., Assis, R., Moraes, A. C, Souza, S., Aragão, L. C. E.; Camargo, J., Fuchslueger, L., Schaap, K., Valverde-Barrantes, O. J.; Meir, P., Quesada, C., Mercado, L., Hartley, I. 2020. Rapid responses of root traits and productivity to both phosphorus and cation additions in a lowland tropical forest in Amazonia. New Phytologist
43. Luo, W., Lan, R., Chen, D., Zhang, B., Xi, N., Li, Y., Fang, S., Valverde‐Barrantes, O.J., Eissenstat, D.M., Chu, C. and Wang, Y. 2020. Limiting similarity shapes the functional and phylogenetic structure of root neighborhoods in a subtropical forest. New Phytologist. DOI: 10.1111/nph.16920
42. Zeng, W., Xiang, W., Zhou B., Ouyang S., Zeng Y., Chen L., Zhao L., Valverde-Barrantes O.J. 2020. Positive tree diversity effect on fine root biomass: via density dependence rather than spatial root partitioning. Oikos DOI: 10.1111/oik.07777
41. Kong, D., Wang, J., Valverde‐Barrantes, O.J. and Kardol, P., 2020. A framework to assess the carbon supply‐consumption balance in plant roots. New Phytologist. https://doi.org/10.1111/nph.16807
40. Guerrero-Ramirez N., Mommer L., Freschet T.G., Iversen C. M., McCormack M.L., Kattge J. , Poorter H., van der Plas F., Bergmann J., Kuyper T. W. Valverde-Barrantes O.J. et al. 2020. Global Root Traits (GRooT) Database. Global Ecology and Biogeography
39. Hogan, J.A., Valverde-Barrantes, O.J., Ding, Q., Xu, H. Baraloto, C. 2020. Morphological variation of fine root systems and leaves in primary and secondary tropical forests of Hainan Island, China. Annals of Forest Science 77, 79
38. Valverde-Barrantes, O.J., Maherali, H., Baraloto, C., and Blackwood, C.B. 2020. Independent evolutionary changes in fine-root traits among main clades during the diversification of seed plants. New Phytologist doi: 10.1111/nph.16729
37. Bergmann, J., Weigelt, A., van der Plas, F., Laughlin, D.C., Kuyper, T.W., Guerrero-Ramirez, N., Valverde-Barrantes, O.J., Bruelheide, H., Freschet, G.T., Iversen, C.M. and Kattge, J., 2020. The fungal collaboration gradient dominates the root economics space in plants. Science Advances 6, eaba3759.
36. Zeng, W., Xiang, W., Zhou B., Ouyang S., Zeng Y., Chen L., Zhao L., Valverde-Barrantes O.J. 2020. Effects of tree species richness on fine root production varied with stand density and soil nutrients in subtropical forests. Science of the Total Environment 733: 139344
35. Cordeiro, A.L., Norby, R., Andersen, K. M., Valverde-Barrantes, O. J., Fuchslueger, L., Oblitas, E, Takeshi, B., Hartley I., Lapola, D., Quesada, C.A. 2020. Fine root dynamics vary with soil depth and season in a Terra Firme forest in the Central Amazon. Plant-Environment Interactions (doi.org/10.1002/pei3.10010).
34. Zeng W., Xiang W., Zhou B., Ouyang S., Zeng Y., Chen L., Milcu A., Valverde-Barrantes, OJ. 2019. Species richness and functional-trait effects on fine root biomass along a subtropical tree diversity gradient. Plant and Soil 1-13
33. Kong D, Wang J., Wu H., Valverde-Barrantes O.J., Wang R, Zeng H., Kardol P., Zhang H., & Feng, Y. 2019. Nonlinear relationships of root functional traits in seed plants at a global scale. Nature Communications, 10: 2203.
32. Fleischer, K., Rammig, A., De Kauwe, M. G., Walker, A. P., Domingues, T. F., Fuchslueger, L., Hofhansl F., Holm, J. A., Kruijt, B. Leung, F., Medlyn, B.E., Mercado, L.M., Norby, R. J., Pak, B., von Randow, C., Quesada, C. A., Schaap, K. J., Valverde-Barrantes, O. J., Wang, Y. P., Yang, X., Zaehle, S., Zhu, Q. & Lapola, D. M. 2019. Amazon forest response to CO 2 fertilization dependent on plant phosphorus acquisition. Nature Geoscience 5: 1-6.
31. Lugli, L. M. Mercado, K. M. Andersen, L. Fuchslueger, A. Longhi, C. A. Quesada, K. J. Schaap, J. Schmeisk-Rosa, O. Valverde-Barrantes, I. P. Hartley. 2019. Multiple phosphorus acquisition strategies adopted by fine roots in low-fertility soils in Central Amazonia. Plant and Soil 1-15.
30. Perez, T.M., Valverde-Barrantes O.J., Bravo, Taylor, T.C., Fadrique B., Hogan J.A., Pardo C. J., Stroud J.T., Baraloto C., & Feeley K.J. 2018. Botanic gardens are an untapped resource for studying the functional traits of tropical plants. Philosophical Transactions of the Royal Society in Biology 374: 20170390.
29. Minerovic, A. J., Valverde-Barrantes, O.J., & Blackwood CB. 2018. Physical and microbial mechanisms of decomposition vary in importance among root orders and tree species with differing chemical and morphological traits. Soil Biology and Biochemistry 124: 142-149.
28. Valverde-Barrantes, O.J., K.A. Smemo, L.M. Feinstein, M.W. Kershner, & C.B. Blackwood. 2018. Patterns in spatial distribution and root trait syndromes for ecto and arbuscular mycorrhizal temperate trees in a mixed broadleaf forest. Oecologia 186: 731-741.
27. Raich, J.W., & Valverde-Barrantes, O.J. 2017. Soil CO2 Flux, Moisture, Temperature, and Litterfall, La Selva, Costa Rica, 2003-2010. ORNL DAAC, Oak Ridge, Tennessee, USA.
26. Ghosh S., Ayayee P.A., Valverde-Barrantes O.J., Blackwood C.B., Royer T.V., & Leff L.G. 2017. Initial nitrogen enrichment conditions determines variations in nitrogen substrate utilization by heterotrophic bacterial isolates. BMC Microbiology 17: 87.
25. Medeiros, J.S., Burns, J.S., Nicholson, J., Rogers L. & Valverde-Barrantes, O.J. 2017 Decoupled leaf and root carbon economics is a key component in the ecological diversity and evolutionary divergence of deciduous and evergreen lineages of genus Rhododendron. American Journal of Botany 104: 803-818
24. Iversen C.M., McCormack, M. L., Powell A.S., Blackwood C.B., Freschet G. T., Kattge J., Roumet C., Stover D.B., Soudzilovskaia N.A., Valverde-Barrantes O.J., van Bodegom P.M., & Violle, C. 2017. Building a global Fine-Root Ecology Database to address important questions in root ecology. New Phytologist 215: 15-26
23. Valverde-Barrantes O.J., Freschet G.T., Roumet C., Blackwood C.B. 2017. A worldview of root traits: the influence of ancestry, growth form, climate and mycorrhizal association on the functional trait variation of fine-root tissues in seed plants. New Phytologist 215: 1562–1573.
22. Freschet, G.F., Valverde-Barrantes, O.J., Craine, J.M. et al. 2017. Climate, soil and plant functional types as drivers of global fine-root trait variation. Journal of ecology 105: 1182-1196.
21. Valverde-Barrantes, O.J. & C.B. Blackwood. 2016. Root traits are multidimensional: specific root length is independent from root tissue density and the plant economic spectrum: Commentary on Kramer-Walter et al. Journal of Ecology 104: 1311-1313.
20. Valverde-Barrantes, O.J., Horning, A., K.A. Smemo, & C.B. Blackwood. 2016 Phylogenetically constrained traits in root systems influence arbuscular mycorrhizal colonization in woody angiosperms. Plant and Soil 404: 1-12.
19. Valverde-Barrantes, O.J., K.A. Smemo, & C.B. Blackwood. 2015. Fine root morphology is phylogenetically structured but nitrogen is related to the plant economics spectrum in temperate trees. Functional Ecology 29: 796–807.
18. Valverde-Barrantes, O.J., K.A. Smemo, L.M. Feinstein, M.W. Kershner, & C.B. Blackwood. 2015. Aggregated and complimentary: symmetric proliferation, overyielding, and mass effects explain fine root biomass in a diverse temperate deciduous forest landscape. New Phytologist 205:731-742. (Additional Commentary for this article by Jones, A. 2015. Belowground fine root biomass, traits and trees. New Phytologist 205: 461-462)
17. Valverde-Barrantes, O.J. & Rocha, O.J. 2013. Logging impacts on forest structure and seedling dynamics in Prioria copaifera dominated tropical rain forest in Talamanca, Costa Rica. Revista de Biologia Tropical. 62:347-57.
16. Blackwood, C.B., K.A. Smemo, M.W. Kershner, L.M. Feinstein, & O.J. Valverde-Barrantes. 2013. Decay of ecosystem differences and decoupling of tree community-soil environment relationships at ecotones. Ecological Monographs 83:403-417.
15. Valverde-Barrantes, O.J., K.A. Smemo, L.M. Feinstein, M.W. Kershner, & C.B. Blackwood. 2013. The distribution of below-ground traits is explained by intrinsic species differences and intraspecific plasticity in response to root neighbours. Journal of Ecology 101:933-942.
13. Russell, A. E., J. W. Raich, R. Bedoya, O. Valverde-Barrantes, & E. González. 2010. Carbon dynamics in the tropics. Bulletin of the Ecological Society of America 91: 224-225.
12. Russell, A. E., J. W. Raich, R. Bedoya, O. Valverde-Barrantes, & E. González. 2010. Impacts of individual tree species on carbon dynamics in a moist tropical forest environment. Ecological Applications 20: 1087-1100.
11. Raich, J. W., A. E. Russell & O. Valverde-Barrantes. 2009. Fine root decay rates vary widely among lowland tropical tree species. Oecologia 161: 325-330.
10. Valverde-Barrantes, O.J., Raich, J. W. & Russell, A. E. 2007. Fine-root mass, growth and nitrogen content for six tropical tree species. Plant Soil 290: 357-370.
9. Valverde-Barrantes, O.J. 2007. Relationships between litterfall, fine root growth, and soil respiration for five tropical tree species. Can J. For. Res. 37: 1954-1965.
8. Russell AE, Raich JW, Valverde-Barrantes OJ, & Fisher RF 2007. Tree species effects on soil properties in experimental plantations in tropical moist forest. Soil Science Society of America Journal 71:1389-1397
7. Valverde-Barrantes, O. 2006. Application of a timber extraction vulnerability index in a humid tropical forest. KURU 3: 1-15 http://www.itcr.ac.cr/revistaKuru/pdf/Articulo%201.pdf
6. Farji-Brener A. G., O. Valverde, L. Paolini, M. A. La Torre, E. Quintero, E. Bonaccorso, L. Arnedo, & Richard Villalobos. 2002. Acumen function in leaves and its vertical distribution in a tropical rain forest of Costa Rica. Revista de Biologia Tropical 50: 1-7.
5. Gómez-Laurito, J. & Valverde-Barrantes, O. 2002. A new species of Plinia L. (Myrtaceae) from the southern Caribbean of Costa Rica. Lankesteriana 3: 11-13.
4. Valverde-Barrantes, O. 2001. El Corredor Biológico Talamanca Caribe, Costa Rica. Memorias: Simposio Conceptualización y Criterios para Corredores Biológicos en Mesoamérica. V Congreso de la Sociedad Mesoamericana para la Biología y la Conservación. San Salvador, El Salvador. 17-19pp.
3. Chavarría, C.R., & O. Valverde. 2000. Delimitación y muestreo florístico del humedal de Punta Mona, Gandoca- Manzanillo, Costa Rica. Boletín de Humedales y Zonas Costeras 2(5). San José, Costa Rica: IUCN.
2. Valverde-Barrantes, O. 1998. Estructura forestal y patrones florísticos de dos bosques tropicales húmedos de la Cordillera de Talamanca, Costa Rica. Brenesia 49-50: 39-60.
1. Valverde-Barrantes, O. 1998. Jaboncillo. Sapindus saponaria. Poster ilustrativo Nº 15. Revista Forestal Centroamericana. CATIE. Turrialba, Costa Rica.