147 Works

Data from: Site- and tree-related factors affecting colonization of cork oaks Quercus suber L. by ambrosia beetles in Tunisia

Amani Bellahirech, Manuela Branco, Filipe X. Catry, Luis Bonifácio, Edmundo Sousa & Mohamed Lahbib Ben Jamâa
Key message: Ambrosia beetles are emerging globally as important agents of tree death and decline. In this work, we observed highly variable attack intensity by ambrosia beetles in cork oak stands in Tunisia. A correlation between the proportion of infested trees and average temperature was found. Tree diameter and tree phytosanitary variables further contribute to the attack densities of ambrosia beetles. Results can be relevant for preventive measures aiming to conserve this natural forest heritage....

Data from: Evolution of longevity improves immunity in Drosophila

Daniel K. Fabian, Kathrin Garschall, Peter Klepsatel, Gonçalo Santos-Matos, Élio Sucena, Martin Kapun, Bruno Lemaitre, Robert Arking, Christian Schloetterer & Thomas Flatt
Much has been learned about the genetics of aging from studies in model organisms, but still little is known about naturally occurring alleles that contribute to variation in longevity. For example, analysis of mutants and transgenes has identified insulin signaling as a major regulator of longevity, yet whether standing variation in this pathway underlies microevolutionary changes in lifespan and correlated fitness traits remains largely unclear. Here we have analyzed the genomes of a set of...

Genomics of population differentiation in humpback dolphins, Sousa spp. in the Indo-Pacific Ocean

Ana Rita Amaral, Cátia Chanfana, Brian Smith, Rubaiyat Mansur, Tim Collins, Robert Baldwin, Gianna Minton, Guido Parra, Michael Krutzen, Thomas Jefferson, Leszek Karczmarski, Almeida Guissamulo, & Howard Rosenbaum
Speciation is a fundamental process in evolution and crucial to the formation of biodiversity. It is a continuous and complex process, which can involve multiple interacting barriers leading to heterogeneous genomic landscapes with various peaks of divergence among populations. In this study, we used a population genomics approach to gain insights on the speciation process and to understand the population structure within the genus Sousa across its distribution in the Indo-Pacifc region. We found 5...

Data from: Marine regime shifts impact synchrony of deep‐sea fish growth in the Northeast Atlantic

Susanne E. Tanner, Eva Giacomello, Gui M. Menezes, Alice Mirasole, João Neves, Vera Sequeira, Rita P. Vasconcelos, Ana Rita Vieira & John R. Morrongiello
The complexity and spatio–temporal scale of populations’ dynamics influence how populations respond to large-scale ecological pressures. Detecting and attributing synchrony (i.e. temporally coincident fluctuations in populations’ parameters) is key as synchronous populations can become more vulnerable to stochastic events that can affect the viability of harvest and have profound consequences to community structure. Here, we aimed to estimate the level of synchrony in fish growth within and among species across 1 million km2 and identify...

Migrants and residents of a long-lived seabird differ in their behavioural response to a stressor

Marie Claire Gatt, José Pedro Granadeiro & Paulo Catry
Inter-individual variation in behaviour has been recognised as a major driver of population ecology, but its relationship to migratory strategy has been ill-explored. Here, we investigated whether male migrant and resident Cory’s Shearwaters (Calonectris borealis), a long-lived partially migratory seabird, are distinguishable by their temperament at the colony. We tracked a large number of individuals over two winters using GLS devices and assessed whether exploratory behaviour and reaction to extraction from the nest corresponded to...

O acesso às fontes autárquicas no jornalismo regional: estudo de três jornais do distrito de Castelo Branco

Paulo Martins & Carla Nunes

Um símbolo da vontade republicana de reformar o ensino normal: o edifício da Escola Normal Primária de Lisboa

Carlos Manique da Silva
Durante o período da I República o esforço reformador na área da educação procurou situar-se numa dinâmica de rutura face aos últimos anos de Monarquia. Mas, como notou António Nóvoa (1989), trata-se de uma reação / oposição que não se funda, essencialmente, numa questão pedagógica. De facto, o olhar niilista para o passado monárquico – o “espírito de presente” orientado para um “horizonte de expetativa”, para adotarmos as expressões de Justino Magalhães (2012, p. 11)...

Historicidade das Tecnologias no contexto do Design de Comunicação

Sónia Rafael

Estudo comparativo das representações maternas em díades com bebés de termo, pré-termo e extremo pré-termo

Ana Rita Almeida, Rute Casimiro, Sandra Antunes, Maria João Alves, Joana Lopes, Camila Ribeiro, Margarida Custódio dos Santos, João Moreira & Marina Fuertes
As representações das mães acerca dos seus bebés e da maternidade têm sido associadas à vinculação e ao desenvolvimento subsequente do bebé (e.g., Benoit, Parker, & Zeanah, 1997; Fuertes, Faria, Fink & Barbosa, 2011, Kochanska, 1998; Zeanah, Benoit, Hirshberg, Barton, & Regan, 1994). Deste modo, o estudo das representações maternas ganhou importância tanto no campo da investigação na área da relação mãe-filho(a) como na intervenção na maternidade de risco. No caso das mães dos bebés...

Bird communities in the Swiss Alps, 1999-2018, abundance data

Vicente García-Navas, Thomas Sattler, Hans Schmid & Arpat Ozgul
Aim: Mountains are biodiversity hotspots and are among the most sensitive eco- systems to ongoing global change being thus of conservation concern. Under this scenario, assessing how biological communities vary over time along elevational gra- dients and the relative effects of niche-based deterministic processes and stochastic events in structuring assemblages is essential. Here, we examined how the temporal trends of bird communities vary with elevation over a 20 year-period (1999–2018). We also tested for differences...

Primer biases in the molecular assessment of diet in multiple insectivorous mammals

Samuel Browett, Thomas Curran, Denise O'Meara, Andrew Harrington, Naiara Guimarães Sales, Rachael Antwis, David O'Neill & Allan McDevitt
Our understanding of trophic interactions of small insectivorous mammals has been drastically improved with the advent of DNA metabarcoding. The technique has continued to be optimised over the years, with primer choice repeatedly being a vital factor for dietary inferences. However, the majority of dietary studies examining the effect of primer choice often rely on in silico analyses or comparing between species that occupy an identical niche type. Here we apply DNA metabarcoding to empirically...

SHARE European Earthquake Catalogue (SHEEC) 1000-1899

Massimiliano Stucchi, Andrea Rovida, Augusto Antonio Gómez Capera, Pierre Alexandre, Thierry Camelbeeck, Mine Betül Demircioglu, Paolo Gasperini, Vasiliki Kouskouna, Roger M.W. Musson, Mircea Radulian, Karin Sesetyan, Susana Pires Vilanova, David Baumont, Hilmar Bungum, Donat Fäh, Wolfgang Lenhardt, Konstantinos Makropoulos, José Manuel Martínez Solares, Oona Scotti, Mladen Živčić, Paola Albini, Josep Batlló, Christos A. Papaioannou, Ruben Tatevossian, Mario Locati … & Domenico Giardini
The SHARE European Earthquake Catalogue (SHEEC) 1000-1899 has been compiled in the frame of the EC project "SHARE" (Seismic Hazard Harmonization in Europe; 2009-2012).nIt relies on the experience of the EC I3 project "Network of Research Infrastructures for European Seismology" (NERIES; 2006-2010), a module of which was dedicated to create the Europeann"Archive of Historical Earthquake Data" (AHEAD) and to establish methodologies to homogenously derive earthquake parameters from macroseismic data.nAHEAD has supplied the final earthquake list,...

Manuais escolares: textos e compreensao na leitura

Teresa Costa Pereira, Gonçalo Henriques & Otília Sousa
Os manuais escolares constituem um dos principais recursos utilizados pelos professores em sala de aula, em Portugal. Desde há muito que assumem um papel central no processo de ensino e aprendizagem, adaptando-se às mudanças que ocorrem tanto na sociedade em geral, como no sistema de ensino em particular. São recursos que, por um lado, facilitam a vida do professor porque pretendem dar conta dos conteúdos das disciplinas e, por outro, permitem aos alunos aceder ao...

Design Contemporâneo. Aproximações Metodológicas e Direções

Sónia Rafael

Det tør!: Frozen-Ground Cartoons; Et international samarbejde mellem kunstnere og permafrostforskere

Heta Nääs, Noémie Ross, Frédéric Bouchard, Michelle Paquette, Audrey Veillette, Michael Fritz, Stefanie Weege, Julie Malenfant-Lepage, Bethany Deshpande, Alexander Nieuwendam, Ashley Rudy, Matthias Siewert, Ylva Sjöberg, Jonathan Harbor, J. Otto Habeck, Kerstin Krøier Rasmussen & Kirstey Langley
This project started in October 2015 with a crazy idea : prepare and submit a funding application for an international, multidisciplinary and non-traditional scientific outreach project… within the next 48 hours. Well, it worked out. A group of highly motivated young researchers from Canada and Europe united to combine arts and science and produce a series of outreach comic strips about permafrost (frozen ground). The aim of the project is to present and explain scientific...

FragSAD: A database of diversity and species abundance distributions from habitat fragments

Jonathan M. Chase, Mario Liebergesell, Alban Sagouis, Felix May, Shane A. Blowes, Åke Berg, Enrico Bernard, Berry J. Brosi, Marc W. Cadotte, Luis Cayuela, Adriano G. Chiarello, Jean-François Cosson, Will Cresswell, Filibus Danjuma Dami, Jens Dauber, Christopher R. Dickman, Raphael K. Didham, David P. Edwards, Fabio Z. Farneda, Yoni Gavish, Thiago Gonçalves-Souza, Demetrio Luis Guadagnin, Mickaël Henry, Adrià López-Baucells, Heike Kappes … & Yaron Ziv
Habitat destruction is the single greatest anthropogenic threat to biodiversity. Decades of research on this issue have led to the accumulation of hundreds of data sets comparing species assemblages in larger, intact, habitats to smaller, more fragmented, habitats. Despite this, little synthesis or consensus has been achieved, primarily because of non‐standardized sampling methodology and analyses of notoriously scale‐dependent response variables (i.e., species richness). To be able to compare and contrast the results of habitat fragmentation...

Data from: Endosymbiont diversity in natural populations of Tetranychus mites is rapidly lost under laboratory conditions

Flore Zélé, Inês Santos, Margarida Matos, Mylène Weill, Fabrice Vavre & Sara Magalhães
Although the diversity of bacterial endosymbionts in arthropods is well documented, whether and how such diversity is maintained remains an open question. We investigated the temporal changes occurring in the prevalence and composition of endosymbionts after transferring natural populations of Tetranychus spider-mites from the field to the laboratory. These populations, belonging to three different Tetranychus species (T. urticae, T. ludeni and T. evansi) carried variable infection frequencies of Wolbachia, Cardinium, and Rickettsia. We report a...

Data from: Wing trait-inversion associations in Drosophila subobscura can be generalized within continents, but may change through time

Pedro Simoes, Inês Fragata, Miguel Lopes-Cunha, Margarida Lima, Bárbara Kellen, Margarida Bárbaro, Mauro Santos & Margarida Matos
Clinal variation is one of the most emblematic examples of the action of natural selection at a wide geographical range. In Drosophila subobscura parallel clines in body size and inversions, but not in wing shape, were found in Europe and South and North America. Previous work has shown that a bottleneck effect might be largely responsible for differences in wing trait-inversions association between one European and one South American population. One question still unaddressed is...

Data from: Structure and functioning of intertidal food webs along an avian flyway: a comparative approach using stable isotopes

Teresa Catry, Pedro M. Lourenço, Ricardo J. Lopes, Camilo Carneiro, José A. Alves, Joana Costa, Hamid Rguibi-Idrissi, Stuart Bearhop, Theunis Piersma & José P. Granadeiro
Food webs and trophic dynamics of coastal systems have been the focus of intense research throughout the world, as they prove to be critical in understanding ecosystem processes and functions. However, very few studies have undertaken a quantitative comparison of entire food webs from a key consumer perspective across a broad geographical area, limiting relevant comparisons among systems with distinct biotic and abiotic components. We investigate the structure and functioning of food webs in four...

Data from: Detection of tephra layers in Antarctic sediment cores with hyperspectral imaging

Ismael F. Aymerich, Marc Oliva, Santiago Giralt & Julio Martín-Herrero
Tephrochronology uses recognizable volcanic ash layers (from airborne pyroclastic deposits, or tephras) in geological strata to set unique time references for paleoenvironmental events across wide geographic areas. This involves the detection of tephra layers which sometimes are not evident to the naked eye, including the so-called cryptotephras. Tests that are expensive, time-consuming, and/or destructive are often required. Destructive testing for tephra layers of cores from difficult regions, such as Antarctica, which are useful sources of...

Data from: How much starvation, desiccation and oxygen depletion can Drosophila melanogaster tolerate before its upper thermal limits are affected?

Tommaso Manenti, Tomás Rocha Cunha, Jesper Givskov Sørensen & Volker Loeschcke
Heat tolerance is commonly assessed as the critical thermal maximum (CTmax) using the dynamic method exposing organisms to a gradually increasing (ramping) temperature until organisms fall into a coma. The CTmax estimate is dependent on the ramping rate, with decreased rates leading to longer treatments and ultimately lower CTmax estimates. There is a current discussion surrounding the physiological dynamics of the effect of the time of exposure by temperature interaction on these estimates. Besides temperature...

Data from: Changes in melanocyte RNA and DNA methylation favor pheomelanin synthesis and may avoid systemic oxidative stress after dietary cysteine supplementation in birds

Sol Rodríguez-Martínez, Rafael Márquez, Ângela Inácio & Ismael Galván
Cysteine plays essential biological roles, but excessive amounts produce cellular oxidative stress. Cysteine metabolism is mainly mediated by the enzymes cysteine dioxygenase and γ-glutamylcysteine synthetase, respectively coded by the genes CDO1 and GCLC. Here we test a new hypothesis posing that the synthesis of the pigment pheomelanin also contributes to cysteine homeostasis in melanocytes, where cysteine can enter the pheomelanogenesis pathway. We conducted a experiment in the Eurasian nuthatch Sitta europaea, a bird producing large...

Data from: Natural history and survival in stage 1 Val30Met transthyretin familial amyloid polyneuropathy

Teresa Coelho, Mónica Inês, Isabel Conceiçao, Marta Soares, Mamede De Carvalho & João Costa
Objectives: To assess natural history and treatment effect on survival among transthyretin-associated familial amyloid polyneuropathy (TTR-FAP) Val30Met patients. Methods: Multi-institutional, hospital-based study of TTR-FAP Val30Met patients prospectively followed-up until December 2016, grouped into untreated (n = 1,771), liver transplant (LTx) (n = 957) or tafamidis-treated (n = 432) cohorts. Standardized mortality ratios (SMR), Kaplan-Meier and Cox methods were used to estimate excess mortality, survival probabilities and adjusted hazard ratios (HR) for all-cause mortality, respectively. Results:...

Data from: Selection on structural allelic variation biases plasticity estimates

Mauro Santos, Margarida Matos, Sheng Pei Wang & David M Althoff
Wang and Althoff (2019) explored the capacity of Drosophila melanogaster to exhibit adaptive plasticity in a novel environment. In a full-sib, half-sib design, they scored the activity of the enzyme alcohol dehydrogenase (ADH) and plastic responses, measured as changes in ADH activity across ethanol concentrations in the range of 0-10% (natural variation) and 16% (the novel environment). ADH activity increased with alcohol concentration, and there was a positive association between larval viability and ADH activity...

Data from: Leaf nutrients, not specific leaf area, are consistent indicators of elevated nutrient inputs

Jennifer Firn, James M. McGree, Eric Harvey, Habacuc Flores-Moreno, Martin Schütz, Yvonne M. Buckley, Elizabeth T. Borer, Eric W. Seabloom, Kimberly J. La Pierre, Andrew M. MacDougall, Suzanne M. Prober, Carly J. Stevens, Lauren L. Sullivan, Erica Porter, Emma Ladouceur, Charlotte Allen, Karine H. Moromizato, John W. Morgan, W. Stanley Harpole, Yann Hautier, Nico Eisenhauer, Justin P. Wright, Peter B. Adler, Carlos Alberto Arnillas, Jonathan D. Bakker … & Anita C. Risch
Leaf traits are frequently measured in ecology to provide a ‘common currency’ for predicting how anthropogenic pressures impact ecosystem function. Here, we test whether leaf traits consistently respond to experimental treatments across 27 globally distributed grassland sites across 4 continents. We find that specific leaf area (leaf area per unit mass)—a commonly measured morphological trait inferring shifts between plant growth strategies—did not respond to up to four years of soil nutrient additions. Leaf nitrogen, phosphorus...

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