38 Works

A construção da imagem da Igreja Católica em Postagens Online

Adriano Cruz & Rossano Cabral Júnior

Estilhaços de memórias sob o chumbo: desenhando família e história no filme Torre

Ruy Rocha Filho

Underlying microevolutionary processes parallel macroevolutionary patterns in ancient Neotropical Mountains - Ecological Niche Modeling and Corridors files

Marcos Vinicius Dantas-Queiroz, Tami Da Costa Cacossi, Bárbara Simões Santos Leal, Cleber Juliano Neves Chaves, Thais Vasconcelos, Leonardo De Melo Versieux & Clarisse Palma-Silva
Aim Ancient climatic fluctuations are invoked as the main driving force that generates the astonishing biodiversity in ancient mountains. As a result, endemism and spatial turnover are usually high and few species are widespread among entire mountain ranges, precluding the understanding of origins of macroevolutionary patterns. Here, we used a species endemic to, but widespread in, one of the most species-rich ancient mountains on the globe to test how environmental changes acted on them and...

Data from: Sequestration and biosynthesis of cyanogenic glucosides in passion vine butterflies and consequences for the diversification of their host plants

Érika C. Pinheiro De Castro, Mika Zagrobelny, Juan Pablo Zurano, Márcio Zikan Cardoso, René Feyereisen & Søren Bak
The colorful heliconiine butterflies are distasteful to predators due to their content of defense compounds called cyanogenic glucosides (CNglcs), which they biosynthesize from aliphatic amino acids. Heliconiine larvae feed exclusively on Passiflora plants where ~30 kinds of CNglcs have been reported. Among them, some CNglcs derived from cyclopentenyl glycine can be sequestered by some Heliconius species. In order to understand the evolution of biosynthesis and sequestration of CNglcs in these butterflies and its consequences for...

Data from: Wing patterning gene redefines the mimetic history of Heliconius butterflies

Heather M. Hines, Brian A. Counterman, Riccardo Papa, Priscila Albuquerque De Moura, Marcio Z. Cardoso, Mauricio Linares, James Mallet, Robert D. Reed, Chris D. Jiggins, Marcus R. Kronforst & W. Owen McMillan
The mimetic butterflies Heliconius erato and H. melpomene have undergone parallel radiations to form a near-identical patchwork of over 20 different wing pattern races across the Neotropics. Previous molecular phylogenetic work on these radiations has suggested that similar but geographically disjunct color patterns arose multiple times independently in each species. The neutral markers used in these studies, however, can move freely across color pattern boundaries and therefore might not represent the history of the adaptive...

Data from: Speciation with gene flow in whiptail lizards from a Neotropical xeric biome

Eliana F. Oliveira, Marcelo Gehara, Vinícius A. São Pedro, Xin Chen, Edward A. Myers, Frank T. Burbrink, Daniel O. Mesquita, Adrian A. Garda, Guarino R. Colli, Miguel T. Rodrigues, Federico J. Arias, Hussam Zaher, Rodrigo M. L. Santos & Gabriel C. Costa
Two main hypotheses have been proposed to explain the diversification of the Caatinga biota. The riverine barrier hypothesis (RBH) claims that the São Francisco River (SFR) is a major biogeographic barrier to gene flow. The Pleistocene climatic fluctuation hypothesis (PCH) states that gene flow, geographic genetic structure, and demographic signatures on endemic Caatinga taxa were influenced by Quaternary climate fluctuation cycles. Herein we analyze genetic diversity and structure, phylogeographic history, and diversification of a widespread...

Um estudo exploratório sobre a compreensão de fábulas por crianças da educação infantil e do ensino fundamental

Alina Spinillo, Angela Naschold, Leidy Marín & Priscylla Duarte
A compreensão de fábulas por crianças parece não ter sido ainda examinada de maneira aprofundada. Ainda que guarde semelhanças em relação à história (conteúdo fictício, personagens, sequência temporal de eventos, relações de causalidade etc.), este tipo de texto possui uma característica única que a define e a diferencia de outras narrativas: a lição moral que é apresentada ao final do texto. Em vista desta lacuna na área, a presente investigação examina, de forma exploratória, o...

Data from: A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny

, Anne Bruneau, Nasim Azani, Marielle Babineau, Edeline Gagnon, Carole Sinou, Royce Steeves, Erin Zimmerman, C. Donovan Bailey, Lynsey Kovar, Madhugiri Nageswara-Rao, Hannah Banks, RuthP. Clark, Manuel De La Estrella, Peter Gasson, GeoffreyC. Kite, BenteB. Klitgaard, GwilymP. Lewis, Danilo Neves, Gerhard Prenner, María De Lourdes Rico-Arce, ArianeR. Barbosa, Maria Cristina López-Roberts, Luciano Paganucci De Queiroz, PétalaG. Ribeiro … & Tingshuang Yi
The classification of the legume family proposed here addresses the long-known non-monophyly of the traditionally recognised subfamily Caesalpinioideae, by recognising six robustly supported monophyletic subfamilies. This new classification uses as its framework the most comprehensive phylogenetic analyses of legumes to date, based on plastid matK gene sequences, and including near-complete sampling of genera (698 of the currently recognised 765 genera) and ca. 20% (3696) of known species. The matK gene region has been the most...

Dataset for: Rio de Janeiro and other paleodrainages evidenced by the genetic structure of an Atlantic Forest catfish

Sergio Maia Queiroz Lima & Waldir Berbel-Filho
Aim: The disjunct distributions of freshwater organisms along coastal drainages are usually explained by paleodrainages formed during sea-level retreats that connected currently isolated basins, or by river capture from tectonic adjustments between adjoining watersheds. We evaluate the relative importance of these events on the genetic variation of freshwater fishes inhabiting the Serra do Mar in eastern Brazil, a region with steep mountains and pronounced bays. Location: Coastal river drainages in southeastern Brazil. Taxon: Catfishes of...

Urban forest fragments as a living laboratory for teaching botany: an example from Federal University of Rio Grande do Norte, Brazil

Leonardo Versieux & Alice Calvente
"Plant blindness" is affecting humans’ relationships with plants, which has negative consequences for both science and conservation. It is,therefore,important to find new ways to promote societal interest in botany and plants. One possibilityis encouraging the use of informal settings to promote curiosity and provide education to students. Forest fragments can be regarded as open air labs for teaching botany, especially on university campuses. We aimed to formally document the angiosperm diversity in the Mata dos...

Restoration priorities for Caatinga dry forests: landscape resilience, connectivity and biodiversity value

Marina Antongiovanni, Eduardo Venticinque, Leandro Tambosi, Matsumoto Marcelo, Jean Paul Metzger & Carlos Roberto Fonseca
1. Restoration actions can halt biodiversity loss and rescue its services. However, in order to be effective, priority areas for restoration should be chosen based on objective large-scale restoration planning. Here, a multi-criteria graph theory (GT) framework is proposed to indicate priority areas for active restoration, based on landscape resilience, landscape connectivity, and biodiversity conservation value, focusing on threatened endemic plant species. 2. We applied this GT framework to 10,406 catchment basins of the Brazilian...

Data from: Unwrapping broken tails: Biological and environmental correlates of predation pressure in limbless reptiles

Mario R. Moura, Henrique C. Costa, Arthur D. Abegg, Esmeralda Alaminos, Teddy Angarita-Sierra, Weverton S. Azevedo, Hugo Cabral, Priscila Carvalho, Sonia Cechin, Nathalie Citeli, Ângelo C. M. Dourado, André F. V. Duarte, Frederico G. R. França, Eliza M. X Freire, Paulo C. A. Garcia, Rafael Mol, Ricardo Montero, Antônio Moraes-Da-Silva, Daniel C. Passos, Paulo Passos, Renata Perez, Juan M. Pleguezuelos, Pedro Prado, Ana Lúcia C. Prudente, Raul F. D. Sales … & Jhonny J. M. Guedes
Studying species interactions in nature often requires elaborate logistics and intense fieldwork. The difficulties in such task might hinder our ability to answer questions on how biotic interactions change with the environment. Fortunately, a workaround to this problem lies within scientific collections. For some animals, the inspection of preserved specimens can reveal the scars of past antagonistic encounters, such as predation attempts. A common defensive behaviour that leaves scars on animals is autotomy, the loss...

Framing Interaction Anchorage in Mediatized Groups

Fernando Cavalcante & Michael Hanke

Data from: Global mammal betadiversity show parallel assemblage structure in similar but isolated environments

Caterina Penone, Ben G. Weinstein, Catherine H. Graham, Thomas M. Brooks, Carlo Rondinini, S. Blair Hedges, Ana D. Davidson & Gabriel C. Costa
The taxonomic, phylogenetic and trait dimensions of betadiversity each provide unique insight into the importance of historical isolation and environmental conditions in shaping global diversity. These three dimensions should, in general, be positively correlated. However, if similar environmental conditions filter species with similar trait values, then assemblages located in similar environmental conditions, but separated by large dispersal barriers, may show high taxonomic, high phylogenetic, but low trait betadiversity. Conversely, we expect lower phylogenetic diversity but...

Data from: Anatomy of the vegetative organs, inflorescence axis and pedicel in the Neoregelia bahiana complex (Bromeliaceae): taxonomic and ecological importance

Kleber Resende Silva, Leonardo M. Versieux & Aline Oriani
Delimitation of Bromeliaceae into genera or species is often problematic, as observed for the Neoregelia bahiana complex, distributed throughout the rocky fields of Espinhaço Range, Brazil. Considering that the anatomical characterisation of different organs is potentially important for taxonomic and ecological interpretation of this complex, we analysed roots, stems (stolon), leaves, inflorescence axes (peduncle), and pedicels in individuals from different populations. In all the studied individuals, the roots are composed of velamen, a heterogeneous cortex,...

Data from: Interactive effects of predation risk and conspecific density on the nutrient stoichiometry of prey

Rafael D. Guariento, Luciana S. Carneiro, Jaqueilto S. Jorge, Angélica N. Borges, Francisco A. Esteves, Adriano Caliman & Jaqueiuto S. Jorge
The mere presence of predators (i.e., predation risk) can alter consumer physiology by restricting food intake and inducing stress, which can ultimately affect prey-mediated ecosystem processes such as nutrient cycling. However, many environmental factors, including conspecific density, can mediate the perception of risk by prey. Prey conspecific density has been defined as a fundamental feature that modulates perceived risk. In this study, we tested the effects of predation risk on prey nutrient stoichiometry (body and...

Idiosyncratic responses to drivers of genetic differentiation in the complex landscapes of Isthmian Central America

Adrián García-Rodríguez, Carlos Guarnizo, Andrew Crawford, Adrian Garda & Gabriel Costa
Isthmian Central America (ICA) is one of the most biodiverse regions in the world, hosting an exceptionally high number of species per unit area. ICA was formed < 25 million years ago and, consequently, its biotic assemblage is relatively young and derived from both colonization and in situ diversification. Despite intensive taxonomic work on the local fauna, the potential forces driving genetic divergences and ultimately speciation in ICA remain poorly studied. Here, we used a...

Evolutionary history of Neotropical savannas geographically concentrates species, phylogenetic and functional diversity of lizards

Jessica Fenker, Fabricius M. C. B. Domingos, Leonardo G. Tedeschi, Dan F. Rosauer, Fernanda P. Werneck, Guarino R. Colli, Roger M. D. Ledo, Emanuel M. Fonseca, Adrian A. Garda, Derek Tucker, , Maria F. Breitman, Flavia Soares, Lilian G. Giugliano & Craig Moritz
Supporting information (scripts) to compute diversity and endemism indices copied and available by Dan Rosauer (https ://github.com/DanRosauer/phylospatial). Aim: Understanding where and why species diversity is geographically concentrated remains a challenge in biogeography and macroevolution. This is true for the Cerrado, the most biodiverse tropical savanna in the world, which has experienced profound biodiversity loss. Previous studies have focused on a single metric (species composition), neglecting the fact that ‘species’ within the biome are often composed...

Data from: Estimating synchronous demographic changes across populations using hABC and its application for a herpetological community from northeastern Brazil

Marcelo Gehara, Adrian Antoinio Garda, Fernanda P. Werneck, Eliana F. Oliveira, Emanuel M. Da Fonseca, Felipe Camurugi, Felipe De M. Magalhães, Flavia Mol Lanna, Jack W. Sites, Ricardo Marques, Ricardo Silveira-Filho, Vinícius A. São-Pedro, Guarino R. Colli, Gabriel C. Costa & Frank T. Burbrink
Many studies propose that Quaternary climatic cycles contracted and /or expanded the ranges of species and biomes. Strong expansion-contraction dynamics of biomes presume concerted demographic changes of associated fauna. The analysis of temporal concordance of demographic changes can be used to test the influence of Quaternary climate on diversification processes. Hierarchical approximate Bayesian computation (hABC) is a powerful and flexible approach that models genetic data from multiple species, and can be used to estimate the...

Data from: The interplay between multiple predators and prey color divergence

Beatriz Willink, Adrián García-Rodríguez, Federico Bolaños & Heike Pröhl
Evolutionary divergence in the coloration of toxic prey is expected when geographic variation in predator composition and behavior favours shifts in prey conspicuousness. A fundamental prediction of predator-driven colour divergence is that the local coloration should experience lower predation risk than novel prey phenotypes. The dorsal coloration of the granular poison frog varies gradually from populations of conspicuous bright red frogs to populations of dull green and relatively cryptic frogs. We conducted experiments with clay...

Cinema do oprimido – o disfarce, a encenação e a cena

Carlos Segundo

Fractures, fluids and hypogenic karsts: key features in carbonate reservoirs and aquifers

Giovanni Bertotti & Stephan de Hoop
Delft University of Technology, The Netherlands (1); Federal University of Rio Grande do Norte, Brasil (2)

Karsts have been documented in a large number of hydrocarbon reservoirs but their origin has generally been attributed to meteoric processes. In the last years, however, it has been increasingly recognized that many of them have a hypogenic origin which implies that the CO2 and/or H2S responsible for carbonate dissolution come from deep sources transport being favoured...

Data from: Climate effects on fish body size-trophic position relationship depend on ecosystem type

Danyhelton D.F. Dantas, Adriano Caliman, Rafael D. Guariento, Ronaldo Angelini, Luciana S. Carneiro, Sergio M.Q. Lima, Pablo A. Martinez & José L. Attayde
The energetic demand of consumers increases with body size and temperature. This implies that energetic constraints may limit the trophic position of larger consumers, which is expected to be lower in tropical than in temperate regions to compensate for energy limitation. Using a global dataset of 3,635 marine and freshwater ray-finned fish species, we addressed if and how climate affects the fish body size-trophic position relationship in both freshwater and marine ecosystems, while controlling for...

Chronic anthropogenic disturbance on Caatinga dry forest fragments

Marina Antongiovanni, Eduardo Venticinque, Marcelo Matsumoto & Carlos Roberto Fonseca
1. Understanding how chronic anthropogenic disturbances are distributed in space leads to more effective conservation and management practices. This study provides a large-scale overview of how the Caatinga dry forest is potentially altered by chronic anthropogenic disturbance. In particular, we investigate how the intensity of the potential disturbance varies (i) among geographic regions, (ii) among fragment sizes, and (iii) as a function of distance to the fragment edge. 2. A Chronic Anthropogenic Disturbance Index (CDI)...

Woody plant subregions of the Amazon forest

Karla Silva-Souza & Alexandre Souza
The Amazon forest covers 7.5 million Km2 in nine countries, hosts 25% of the global biodiversity and is a major contributor to the biogeochemical and climatic functioning of the Earth system. Despite its global importance, a regionalization of the Amazon tree flora is still lacking. Clear and data-driven delimitation of subregions is important for macroecological studies, to the identification of metacommunities, and is a requisite for conservation planning. We aimed at identifying and mapping plant...

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