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2012
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Tinker, M. T., P. R. Guimaraes, M. Novak, F. M. D. Marquitti, J. Bodkin, M. Staedler, G. Bentall, J. Estes. 2012. Structure and mechanism of diet specialization: testing models of individual variation in resource use with sea otters. Ecology Letters (in press)
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2011
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Donatti, C.I., P. R. Guimaraes, M. Galetti, M. A. Pizo, F. M. D. Marquitti, R. Dirzo. 2011. Analysis of a hyper-diverse seed dispersal network: modularity and underlying mechanisms. Ecology Letters 14:773-781.
Fontaine, C., P. R. Guimaraes, S. Kefi., N. Loeuille, J. Memmott, W. Van der Putten, F. van Veen, E. Thebault. The ecological and evolutionary implications of merging different types of networks. Ecology Letters 14:773-781.
Guimaraes, P.R., P. Jordano, J. N. Thompson. 2011. Evolution and coevolution in mutualistic networks. Ecology Letters 14:877-885. See also the article in Science highlighting this study: [Editors' Choice]
Genini, J., M. Cortes, P. R. Guimaraes, M. Galetti. 2011. Mistletoes play different roles in a parasitism network. Biotropica (in press).
Mello, M. A.R, F. M. D. Marquitti, P. R. Guimaraes, E. K. V. Kalko, P. Jordano, M. A. M. de Aguiar. 2011.The missing part of seed dispersal networks: structure and robustness of bat-fruit interactions. PLoS ONE 6: e17395 .
Mello, M. A.R, F. M. D. Marquitti, P. R. Guimaraes, E. K. V. Kalko, P. Jordano, M. A. M. de Aguiar. 2011. The modularity of seed dispersal: differences in structure and robustness between bat - and bird - fruit networks. Oecologia 167: 131-140
Pires, M.M., P. R. Guimaraes, M. S. Araujo, A. A. Giaretta, J. C. L. Costa, S. F. dos Reis. 2011. The nested assembly of individual-resource networks. Journal of Animal Ecology 80: 893-903
Pires, M.M., P.I. Prado, P. R. Guimaraes. 2011. Do Food Web Models Reproduce the Structure of Mutualistic Networks? PLoS ONE6: e27280
Yeakel, J. D., M. Novak; P. R Guimaraes,N. J. Dominy, P. L. Koch, E. J. Ward, J. W Moore, B. X. Semmens. 2011. Merging resource availability with isotope mixing models: the role of neutral interaction assumptions. PLoS ONE 6: e22015
Rico-Gray, V., C. Diaz-Castelazo; A. Ramirez-Hernandez, P. R Guimaraes,J. N. Holland. 2011. Abiotic factors shape temporal variation in the structure of an ant-plant network. Arthropod-Plant Interactions (in press)
Sazima, C., P. Jordano; P. R Guimaraes,S. F. dos Reis, I. Sazima. 2011. Cleaning associations between birds and herbivorous mammals in Brazil: structure and complexity. Auk (in press)
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2010
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Araujo, M. S., E. G. Martins, L. D. Cruz, F. R. Fernandes, A. X. Linhares, S. F. dos Reis, P. R. Guimaraes. 2010. Nested diets: a novel pattern of individual-level resource use. Oikos 119:81-88
Diaz-Castelazo, C., P. R. Guimaraes, P. Jordano, J. N. Thompson, R. J. Marquis, V. Rico-Gray. 2010. Changes of a mutualistic network over time: reanalysis over a 10-year period. Ecology 91:793-801.
Genini, J., L. P. C. Morellato, P. R. Guimaraes, J. M. Olesen. 2010. Cheaters in mutualism networks. Biology Letters 6:494-497.
Hisi, A., N. S., P. R.Guimaraes, M. A. M. de Aguiar. 2010. The role of predator overlap in the robustness and extinction of a four species predator-prey network. Physica A 389: 4725-4733
- Sazima, C., P. R. Guimaraes, S. F. dos Reis, I. Sazima. 2010. What makes a species central in a cleaning mutualism network? Oikos 119:1319-1325.
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2009
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Donatti, C., P. R. Guimaraes, M. Galetti. 2009. Seed dispersal and predation in the endemic Atlantic rainforest palm Astrocaryum aculeatissimum across a gradient of seed disperser abundance. Ecological Research 24: 1187-1195.
- Galetti, M., R. S. Boverdorp, R. F. Fadini, C. O. A. Gussoni, M. Rodrigues, P. R. Guimaraes, A. D. Alvarez. 2009. Hyper abundant mesopredators and non-random bird extinction in an Atlantic forest island. Zoologia. 26: 288-298.
- Martins, V. F., P. R. Guimaraes, C. R. B. Haddad, J. Semir. 2009. The effect of ants on the seed dispersal cycle of the typical myrmecochorous Ricinus communis. Plant Ecology 205: 213-222.
- Perez, S. I., M. A. M. de Aguiar, P. R. Guimaraes, S. F. dos Reis. 2009. Searching for modular structure in complex phenotypes: Inferences from network theory. Evolutionary Biology. 36: 416-422.
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2008
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Almeida-Neto, M., P. Guimaraes, P. R. Guimaraes, R. D. Loyola, W. Urlich. 2008. A consistent metric for nestedness analysis in ecological systems: reconciling concept and measurement. Oikos 117: 1227-1239. [PDF]
Araujo, M. S., P. R. Guimaraes, R. Svanback, A. Pinheiro, P. Guimaraes, S. F. dos Reis, D. I. Bolnick. 2008. Network analysis reveals contrasting effects of intraspecific competitions on individual vs. population diets. Ecology 89: 1981-1993. [PDF]
Fortuna, M. A., C. Garcia, P. R. Guimaraes, J. Bascompte. 2008. Spatial mating networks in insect-pollinated plants. Ecology Letters 11: 490-498. [PDF]
Francisco, M. R., V. O. Lunardi, P. R. Guimaraes, M. Galetti. 2008. Factors affecting seed predation of Eriotheca gracipiles (Bombacaceae) by parakeets in a cerrado fragment. Acta Oecologica 33: 240-245. [PDF]
Guimaraes, P. R., M. Galetti, P. Jordano. 2008. Seed dispersal anachronisms: rethinking the fruits extinct megafauna ate. PLoS ONE 3: e1745. [PDF]
Krishna, A., P. R. Guimaraes, P. Jordano, J. Bascompte. 2008. A neutral-niche theory of nestedness in mutualistic networks. Oikos 117: 1609-1618. [PDF]
Mello, M. A.R., F.M. D. Marquitti, P. R. Guimaraes, E.K.V. Kalko, P. Jordano. 2008. Small differences may lead to big consequences: bat and bird seed dispersal networks (Abstract, Luis F Barcardi Award 2008). Biotropica 40: 777-777.
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2007
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Almeida-Neto, M., P. R. Guimaraes, T. M. Lewinsohn. 2007. On nestedness analyses: rethinking matrix temperature and anti-nestedness. Oikos. 116:716-722. [PDF]
Donatti, C. I., M. Galetti, M. A. Pizo, P. R. Guimaraes, P. Jordano. 2007. Living in the land of ghosts: Fruit traits and the importance of large mammals as seed dispersers in the Pantanal, Brazil . In: Dennis, A., R. Green, E. W. Schupp, D. Wescott. Frugivory and seed dispersal: theory and applications in a changing world. Wallingford : Commonwealth Agricultural Bureau International.
Guimaraes, P. R., M. Argollo de Menezes, R. W. Baird, D. Lusseau, P.Guimaraes, S. F. dos Reis. 2007. Vulnerability of a killer whale social network to disease outbreaks. Physical Review E 76: 042901 [PDF]
Guimaraes, P. R., R. M. Bonaldo, J. P. Krajewski, A. Pinheiro, P. Guimaraes, J. Powers, S. F. dos Reis. 2007. Investigating small fish schools: selection of school-formation models by means of general linear models and numerical simulations. Journal of Theoretical Biology 245:784-789.[PDF]
Guimaraes, P. R., G. Machado, M.A.M de Aguiar, P. Jordano, J. Bascompte, A. Pinheiro, S. F. dos Reis. 2007.Build-up mechanisms determining the topology of mutualistic networks. Journal of Theoretical Biology 249: 181-189.[PDF]
Guimaraes, P. R., V. Rico-Gray, P. S. Oliveira, T. J. Izzo, S. F. dos Reis, J.N. Thompson. 2007. Interaction intimacy affects structure and coevolutionary dynamics in mutualistic networks. Current Biology 17: 1797-1803. [PDF] [Supplemental Data]
Guimaraes, P. R., C. Sazima. S. F. dos Reis, I. Sazima. 2007. The nested structure of marine cleaning symbiosis: is it like flowers and bees? Biology Letters 3:51-54. [PDF]. See also the article in Science highlighting this study: [Editors' Choice]
Silva, W., P. R. Guimaraes, P. Guimaraes, S. F. dos Reis. 2007. Investigating fragility in plant-frugivore networks: a case study for Atlantic Forest . In: Dennis, A. J., E. W. Schupp, R. J. Green, D. W. Wescott. Seed dispersal: theory and its application in a
changing world. Wallingford. Wallingford: CAB International.561-578.
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2006
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Fonseca, R. L., P. R. Guimaraes, S. R. Morbiolo, R. S. Pereira, A. T. Peterson. 2006. Vulnerability of Brazilian national parks to invasion by the alien weed Crotalaria pallida Ait. (Fabaceae) . Weed Science 54: 458-463. [PDF]
Ferro, V.G., P. R. Guimaraes, J. R. Trigo. 2006. Why larvae of Utetheisa ornatrix (Lepidoptera: Arctiidae) fed into pods of Crotalaria (Leguminosae: Papilionoideae)? Larval performance versus chemical and physical constraints. Entomologia Experimentalis et Applicata. 121: 23-29. [PDF]
Galetti, M., C. I. Donatti, A. Pires,P. R. Guimaraes, P. Jordano, P. 2006. Seed survival and dispersal of an endemic Atlantic forest palm: the combined effects of defaunation and forest fragmentation. Botanical Journal of the Linnean Society. 151:141-149. [PDF]
Guimaraes, P. R., U. Kubota, R. L. Fonseca, B. Z. Gomes, C. Bottcher, M. Galetti. 2006. Testing the quick meal hypothesis: the effect of pulp on hoarding and seed predation of Hymenaea courbaril by red-rumped agoutis (Dasyprocta leporina) in southeast Brazil. Austral Ecology. 31:95-98. [PDF]
Guimaraes, P. R., R. L. G. Raimundo, C. Bottcher, R. R. Silva, J. R. Trigo. 2006. Extrafloral nectaries as a deterrent mechanism against seed predators in the chemically defended weed Crotalaria pallida (Leguminosae). Austral Ecology. 31: 776-782. [PDF]
Guimaraes, P. R., V. Rico-Gray, S. F. dos Reis, J.N. Thompson. 2006. Asymmetries in specialization in ant-plant mutualistic networks. Proceedings of the Royal Society of London B. 273: 2041-2047. [PDF] [Supplementary Material]
Martins, V. F.,P. R. Guimaraes, R.R. da Silva, J. Semir. 2006. Secondary seed dispersal by ants of Ricinus communis (Euphorbiaceae) in the Atlantic Forest in southeastern Brazil : influence on seed germination. Sociobiology. 47: 265-274. [PDF]
Sazima, C., Bonaldo, R. M., Krajewski, J. P.,P. R. Guimaraes. 2006. The ubiquitous nuclear goatfish Pseudupeneus maculatus and its follower fishes at an oceanic island in the tropical West Atlantic. Journal of Fish Biology. 69: 883-891. [PDF]
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2005
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Guimaraes, P. R., M. A. M. de Aguiar, J. Bascompte, P. Jordano, S. F. dos Reis. 2005. Random initial condition in small Barabasi-Albert networks and deviations from the scale-free behavior. Physical Review E . 71: 037101. [PDF]
Guimaraes, P. R., B. Z. Gomes, Y. J. Ahn, M. Galetti.2005. Cache pilferage in red-rumped agoutis ( Dasyprocta leporina). Mammalia. 69:431-434. [PDF]
Guimaraes, P. R., P. F. M. Lopes, M. L. Lyra, A. P. Muriel. 2005. Fleshy pulp enhances the location of Syagrus romanzoffiana (Arecaceae) fruits by seed-dispersing rodents in an atlantic forest in southeastern Brazil . Journal of Tropical Ecology . 21: 109-112. [PDF]
Mello, M. A. R., N. O. Leiner, P. R. Guimaraes, P. Jordano. 2005. Size-based fruit selection of Calophyllum brasiliense (Clusiaceae) by bats in an Atlantic Forest , southeastern Brazil . Acta Chiropterologica . 7: 179-182. [PDF]
Pizo, M. A., P. R. Guimaraes, P. S. Oliveira. 2005. Seed removal by ants from faeces produced by different vertebrate species. Ecoscience . 12: 136-140. [PDF]
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2000-2004
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Galetti, M., P. R. Guimaraes. 2004. Seed dispersal of Attalea phalerata (Palmae) by Crested caracaras (Caracara plancus) in the Pantanal and a review of frugivory by raptors. Ararajuba . 12: 59-61. [PDF]
Raimundo, R. L. G., P. R. Guimaraes, M. Almeida-neto, M. A. Pizo. 2004. The influence of fruit morphology and habitat structure on ant-seed interactions: a study with artificial fruits. Sociobiology . 41: 261-270. [PDF]
Guimaraes, P. R., J. José, M. Galetti, J. R. Trigo. 2003. Quinolizidine alkaloids in Ormosia arborea seeds inhibit predation but not caching by agoutis ( Dasyprocta leporina). Journal of Chemical Ecology . 29: 1065-1072. [PDF]
Marsden, S. J., M. Whiffin, L. Sadgrove, P. R. Guimaraes. 2003. Bird Community composition and species abundance on two inshore islands in the Atlantic Forest region of Brazil . Ararajuba. 11:181-187.
Galetti, M., P. R. Guimaraes. S. J. Marsden. 2002. Riqueza, Risco de Extinção e Conservação dos Psitacídeos Neotropicais. In: M. Galetti; M. A. Pizo. Ecologia e Conservação de Psitacídeos no Brasil. Melopsittacus Publicações.
Marsden, S. J., M. Whiffin, L. Sadgrove, P. R. Guimaraes. 2000. Parrot population and habitat use in and around two lowland Atlantic forest reserves, Brazil . Biological Conservation . 96: 209-215. [PDF]
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