11 Works

Data from: Multilocus tests of Pleistocene refugia and ancient divergence in a pair of Atlantic Forest antbirds (Myrmeciza)

Fábio Raposo Do Amaral, Patrick K. Albers, Scott V. Edwards & Cristina Y. Miyaki
The Atlantic Forest (AF) harbors one of the most diverse vertebrate faunas of the world, including 199 endemic species of birds. Understanding the evolutionary processes behind such diversity has become the focus of many recent, primarily single locus, phylogeographic studies. These studies suggest that isolation in forest refugia may have been a major mechanism promoting diversification, although there is also support for a role of riverine and geotectonic barriers, two sets of hypotheses that can...

Data from: Dioecy, more than monoecy, affects plant spatial genetic structure: the case study of Ficus

Alison G. Nazareno, Ana Lilia Alzate-Marin & Rodrigo Augusto S. Pereira
In this analysis, we attempt to understand how monoecy and dioecy drive spatial genetic structure (SGS) in plant populations. For this purpose, plants of the genus Ficus were used as a comparative model due to their particular characteristics, including high species diversity, variation in life histories, and sexual systems. One of the main issues we assessed is whether dioecious fig tree populations are more spatially genetically structured than monoecious populations. Using the Sp statistic, which...

Data from: Phenotypic integration in flowers of neotropical lianas: diversification of form with stasis of underlying patterns

Suzana Alcantara, Felipe B. De Oliveira & Lúcia G. Lohmann
Phenotypic integration is essential to the understanding of organismal evolution as a whole. In this study, a phylogenetic framework is used to assess phenotypic integration among the floral parts of a group of Neotropical lianas. Flowers consist of plant reproductive organs (carpels and stamens), usually surrounded by attractive whorls (petals and sepals). Thus, flower parts might be involved in different functions and developmental constraints, leading to conflicting selective forces. We found that Bignonieae flowers have...

Data from: Rivers, refuges, and population divergence of fire-eye antbirds (Pyriglena) in the Amazon Basin

Marcos Maldonado-Coelho, John G. Blake, Luis F. Silveira, Henrique Batalha-Filho & Robert E. Ricklefs
The identification of ecological and evolutionary mechanisms that might account for the elevated biotic diversity in tropical forests is a central theme in evolutionary biology. This issue is especially relevant in the Neotropical region, where biological diversity is the highest in the world, but where few studies have been conducted to test factors causing population differentiation and speciation. We used mtDNA sequence data to examine the genetic structure within white-backed fire-eye (Pyriglena leuconota) populations along...

Data from: The fourth dimension of tool use: temporally enduring artefacts aid primates learning to use tools

Dorothy M. Fragaszy, Dora Biro, Yonat Eshchar, Tatyana Humle, Patrícia Izar, Briseida Resende & Elisabetta Visalberghi
All investigated cases of habitual tool use in wild chimpanzees and capuchin monkeys include youngsters encountering durable artefacts, most often in a supportive social context. We propose that enduring artefacts associated with tool use, such as previously used tools, partly processed food items and residual material from previous activity, aid non-human primates to learn to use tools, and to develop expertise in their use, thus contributing to traditional technologies in non-humans. Therefore, social contributions to...

Data from: Edge effects enhance selfing and seed harvesting efforts in the insect-pollinated Neotropical tree Copaifera langsdorffii (Fabaceae)

Roberto Tarazi, Alexandre M. Sebbenn, Paulo Y. Kageyama & Roland Vencovsky
Edge effects may affect the mating system of tropical tree species and reduce the genetic diversity and variance effective size of collected seeds at the boundaries of forest fragments because of a reduction in the density of reproductive trees, neighbour size and changes in the behaviour of pollinators. Here, edge effects on the genetic diversity, mating system and pollen pool of the insect-pollinated Neotropical tree Copaifera langsdorffii were investigated using eight microsatellite loci. Open-pollinated seeds...

Data from: Insights into the origin and distribution of biodiversity in the Brazilian Atlantic forest hotspot: a statistical phylogeographic study using a low-dispersal organism

Marta Riutort, Marta Álvarez-Presas, Alejandro Sánchez-Gracia, Fernando Carbayo & Julio Rozas
The relative importance of the processes that generate and maintain biodiversity is a major and controversial topic in evolutionary biology with large implications for conservation management. The Atlantic Forest of Brazil, one of the world's richest biodiversity hotspots, is severely damaged by human activities. To carry out an efficient conservation policy, a good understanding of spatial and temporal biodiversity patterns and their underlying evolutionary mechanisms is required. With this aim, we performed a comprehensive phylogeographic...

Data from: Functional extinction of birds drives rapid evolutionary changes in seed size.

Mauro Galetti, Roger Guevara, Marina C. Côrtes, Fadini Rodrigo, Sandro Von Matter, Abraão B. Leite, Fábio Labecca, Thiago Ribeiro, Carolina S. Carvalho, Rosane G. Collevatti, Mathias M. Pires, , Pedro H. Brancalion, Milton C. Ribeiro & Pedro Jordano
Local extinctions have cascading effects on ecosystem functions, yet little is known about the potential for the rapid evolutionary change of species in human-modified scenarios. We show that the functional extinction of large-gape seed dispersers in the Brazilian Atlantic forest is associated with the consistent reduction of seed size of a keystone palm species. Among 22 palm populations, areas deprived of large avian frugivores for several decades present smaller seeds than non-defaunated forests, with negative...

Data from: Systematics of spiny-backed treefrogs (Hylidae: Osteocephalus): an Amazonian puzzle

Karl-Heinz Jungfer, Julián Faivovich, José M. Padial, Santiago Castroviejo-Fisher, Mariana M. Lyra, Bianca Von Muller Berneck, Patricia P. Iglesias, Philippe J. R. Kok, Ross T. Macculloch, Miguel Trefaut Rodrigues, Vanessa K. Verdade, Claudia P. Torres Gastello, Juan Carlos Chaparro, Paula H. Valdujo, Steffen Reichle, Jiří Moravec, Václav Gvoždík, Giussepe Gagliardi-Urrutia, Raffael Ernst, Ignacio De La Riva, Donald Bruce Means, Albertina P. Lima, J. Celsa Señaris, Ward C. Wheeler & Célio F. B. Haddad
Spiny-backed tree frogs of the genus Osteocephalus are conspicuous components of the tropical wet forests of the Amazon and the Guiana Shield. Here, we revise the phylogenetic relationships of Osteocephalus and its sister group Tepuihyla, using up to 6134 bp of DNA sequences of nine mitochondrial and one nuclear gene for 338 specimens from eight countries and 218 localities, representing 89% of the 28 currently recognized nominal species. Our phylogenetic analyses reveal (i) the paraphyly...

Data from: Size variation, growth strategies and the evolution of modularity in the mammalian skull

Arthur Porto, Leila Teruko Shirai, Felipe Bandoni De Oliveira & Gabriel Marroig
Allometry is a major determinant of within-population patterns of association among traits and, therefore, a major component of morphological integration studies. Even so, the influence of size variation over evolutionary change has been largely unappreciated. Here, we explore the interplay between allometric size variation, modularity, and life history strategies in the skull from representatives of 35 mammalian families. We start by removing size variation from within-species data and analyzing its influence on integration magnitudes, modularity...

Data from: Color discrimination in the tufted capuchin monkey, Sapajus spp.

Paulo Roney Kilpp Goulart, Daniela Maria Oliveira Bonci, Olavo De Faria Galvão, Luiz Carlos De Lima Silveira & Dora Fix Ventura
The present study evaluated the efficacy of an adapted version of the Mollon-Reffin test for the behavioral investigation of color vision in capuchin monkeys. Ten tufted capuchin monkeys (Sapajus spp., formerly referred to as Cebus apella) had their DNA analyzed and were characterized as the following: one trichromat female, seven deuteranope dichromats (six males and one female), and two protanope males, one of which was identified as an “ML protanope.” For their behavioral characterization, all...

Registration Year

  • 2013
    11

Resource Types

  • Dataset
    11

Affiliations

  • University of Sao Paulo
    11
  • Sao Paulo State University
    2
  • Bernardino Rivadavia Natural Sciences Museum
    1
  • Universidade Federal de Goiás
    1
  • National Museum
    1
  • University of Buenos Aires
    1
  • University of Georgia
    1
  • Royal Ontario Museum
    1
  • University of Kent
    1
  • National Institute of Amazonian Research
    1