424 Works

Introduction to citizen science. The case of Fangstjournalen.dk

Jitka Stilund Hansen, Signe Gadegaard, Karsten Kryger Hansen, Gertrud Stougård Thomsen, Asger Væring Larsen & Katrine Flindt Holmstrand

FAIR data in a Citizen Science project “Fangstjournalen”

Katrine Flindt Holmstrand, Asger Væring Larsen, Signe Gadegaard, Jitka Stilund Hansen, Karsten Kryger Hansen & Gertrud Stougård Thomsen
In this video Researcher Christian Skov from DTU Aqua tells about the Citizen Science project “Fangstjournalen” and how Research Data Management, data sharing and following the FAIR guiding principles for research data can increase the impact and the value of the research - even beyond the scope of the project. This video is produced by four Danish Universities as part of a project financially supported by DEFF. The aim of the project is to identify...

COVID-19-forskning: Del data om dine aktiviteter i ny app, og gør en forskel

Trine Rolighed Thomsen, Zahra Partovi Nasr & Carsten Obel

Hvornår kom de første mennesker til Amerika? Sporene bliver ældre og ældre

Ole Høiris

Hvordan spredte mennesket sig fra Afrika og ud over Jorden?

Ole Høiris

Homo sapiens' vandring ud af Afrika var… snørklet

Ole Høiris

Det moderne menneskes vej ind i Asien stiller store spørgsmål til vores oprindelse

Ole Høiris

Language and Robots: from Relations to Processes of Relations

Cathrine Hasse
The word „robot“ does not have a fixed meaning and human interactions with robots do not somehow bring it to the fore. Mark Coeckelbergh suggests as much when he presents linguistic interaction with robots as a process of becoming aware of a quasi-personal relation. A focus on material linguistic practices yields a very different story of shifting signifiers that are subject to human experiences of changing relations with robots. The material encounter with robots is...

Data from: Temperature shapes opposing latitudinal gradients of plant taxonomic and phylogenetic β diversity

Ian R. McFadden, Brody Sandel, Constantinos Tsirogiannis, Naia Morueta-Holme, Jens-Christian Svenning, Brian J. Enquist & Nathan J. B. Kraft
Latitudinal and elevational richness gradients have received much attention from ecologists but there is little consensus on underlying causes. One possible proximate cause is increased levels of species turnover, or β diversity, in the tropics compared to temperate regions. Here, we leverage a large botanical dataset to map taxonomic and phylogenetic β diversity, as mean turnover between neighboring 100 × 100 km cells, across the Americas and determine key climatic drivers. We find taxonomic and...

Data from: Species richness change across spatial scales

Jonathan M. Chase, Brian J. McGill, Patrick L. Thompson, Laura H. Antão, Amanda E. Bates, Shane A. Blowes, Maria Dornelas, Andrew Gonzalez, Anne E. Magurran, Sarah R. Supp, Marten Winter, Anne D. Bjorkmann, Helge Bruelheide, Jarrett E.K. Byrnes, Juliano Sarmento Cabral, Robin Ehali, Catalina Gomez, Hector M. Guzman, Forest Isbell, Isla H. Myers-Smith, Holly P. Jones, Jessica Hines, Mark Vellend, Conor Waldock & Mary O'Connor
Humans have elevated global extinction rates and thus lowered global-scale species richness. However, there is no a priori reason to expect that losses of global species richness should always, or even often, trickle down to losses of species richness at regional and local scales, even though this relationship is often assumed. Here, we show that scale can modulate our estimates of species richness change through time in the face of anthropogenic pressures, but not in...

Data from: Introgression of Chinese haplotypes contributed to the improvement of Danish Duroc pigs

Minhui Chen, Guosheng Su, Jinluan Fu, Aiguo Wang, Jian-Feng Liu, Mogens S. Lund & Bernt Guldbrandtsen
The distribution of Asian ancestry in the genome of Danish Duroc pigs was investigated using whole-genome sequencing data from European wild boars, Danish Duroc, Chinese Meishan and Bamaxiang pigs. Asian haplotypes deriving from Meishan and Bamaxiang occur widely across the genome. Signatures of selection on Asian haplotypes are common in the genome, but few of these haplotypes have been fixed. By defining 50 kb windows with more than 50% Chinese ancestry, which did not exhibit...

Data from: Cultural turnover among Galápagos sperm whales

Mauricio Cantor, Hal Whitehead, Shane Gero & Luke Rendell
While populations may wax and wane, it is rare for an entire population to be replaced by a completely different set of individuals. We document the large-scale relocation of cultural groups of sperm whale off the Galápagos Islands, in which two sympatric vocal clans were entirely replaced by two different ones. Between 1985 and 1999, whales from two clans (called Regular and Plus-One) defined by cultural dialects in coda vocalizations were repeatedly photo-identified off Galápagos....

Data from: Fine-scale movement responses of free-ranging harbour porpoises to capture, tagging, and short-term noise pulses from a single airgun

Floris M. Van Beest, Jonas Teilmann, Line Hermannsen, Anders Galatius, Lonnie Mikkelsen, Signe Sveegaard, Jeppe Dalgaard Balle, Rune Dietz & Jacob Nabe-Nielsen
Knowledge about the impact of anthropogenic disturbances on the behavioural responses of cetaceans is constrained by lack of data on fine-scale movements of individuals. We equipped five free-ranging harbour porpoises (Phocoena phocoena) with high-resolution location and dive loggers and exposed them to a single 10 in3 underwater airgun producing high-intensity noise pulses (2−3 second intervals) for one minute. All five porpoises responded to capture and tagging with longer, faster and more directed movements as well...

Data from: Detecting spring after a long winter: coma or slow vigilance in cold, hypoxic turtles?

Jesper G. Madsen, Tobias Wang & Peter Teglberg Madsen
Many freshwater turtle species can spend the winter submerged in ice-covered lakes by lowering their metabolism, and it has been proposed that such severe metabolic depression render these turtles comatose. This raises the question how they can detect the arrival of spring and respond in a sensible way to sensory information during hibernation. Using evoked potentials from cold or hypoxic turtles exposed to vibration and light we show that hibernating turtles maintain neural responsiveness to...

Data from: Global patterns of the double mutualism phenomenon

Francisco Fuster, Christopher Kaiser-Bunbury, Jens M. Olesen & Anna Traveset
A double mutualism (DM) occurs when two interacting species benefit each other in two different functions, e.g. when an animal species acts both as pollinator and seed disperser of the same plant. Besides the double benefit, a DM also imposes a larger risk to both functions if the performance of one partner declines. We conducted the first global review of DMs involving pollinators and seed dispersers, aiming to: (1) assess their prevalence across ecosystems and...

Data from: Mowing exacerbates the loss of ecosystem stability under nitrogen enrichment in a temperate grassland

Yunhai Zhang, Michel Loreau, Nianpeng He, Guangming Zhang & Xingguo Han
Summary: 1. Global reactive nitrogen (N) is projected to further increase in the coming years. Previous studies have demonstrated that N enrichment weakens the temporal stability of ecosystem primary productivity through decreased biodiversity and species asynchrony. Mowing is a globally common practice in grasslands; and infrequent mowing can maintain or increase plant diversity under N enrichment conditions. However, it is unclear how infrequent mowing affects ecosystem stability in the face of N enrichment. 2. By...

Data from: Efficacy of psychosocial interventions for psychological and pregnancy outcomes in infertile women and men: a systematic review and meta-analysis

Yoon Frederiksen, Ingeborg Farver-Vestergaard, Ninna Skovgård, Hans Jakob Ingerslev & Robert Zachariae
Objective: To evaluate the evidence on the efficacy of psychosocial interventions for improving pregnancy rates and reducing distress for couples in treatment with assisted reproductive technology (ART). Design: Systematic review and meta-analysis. Data sources PsycINFO, PubMed, Embase, CINAHL, Web of Science and The Cochrane Library between 1978 and April 2014. Study selection Studies were considered eligible if they evaluated the effect of any psychosocial intervention on clinical pregnancy and/or distress in infertile participants, used a...

Data from: Congruent signals of population history but radically different patterns of genetic diversity between mitochondrial and nuclear markers in a mountain lizard

Anne-Laure Ferchaud, Rémy Eudeline, Véronique Arnal, Marc Cheylan, Gilles Pottier, Raphaël Leblois & Pierre-Andre Crochet
Historical factors, current population size, population connectivity and selective processes at linked loci contribute to shaping contemporary patterns of neutral genetic diversity. It is now widely acknowledged that nuclear and mitochondrial markers react differently to current demography as well as to past history, so the use of both types of markers is often advocated to gain insight on both historical and contemporary processes. We used 12 microsatellite loci genotyped in 13 populations of a mountain...

Data from: Up and down the blind alley: population divergence with scant gene flow in an endangered tropical lineage of Andean palms (Ceroxylon quindiuense clade: Ceroxyloideae)

María José Sanín, Patricia Zapata, Jean-Christophe Pintaud, Gloria Galeano, Adriana Bohórquez, Joseph Tohme & Michael Møller Hansen
Allele_scores_Ceroxylon_quindiuense_complexThese are allele scores (diploid) for populations studied in cited articlegenepop_Cquindicomplex2.txt

Data from: Plant community composition and species richness in the High Arctic tundra: from the present to the future

Jacob Nabe-Nielsen, Signe Normand, Francis K. C. Hui, Lærke Stewart, Christian Bay, Louise I. Nabe-Nielsen, Niels Martin Schmidt & Laerke Stewart
Arctic plant communities are altered by climate changes. The magnitude of these alterations depends on whether species distributions are determined by macroclimatic conditions, by factors related to local topography, or by biotic interactions. Our current understanding of the relative importance of these conditions is limited due to the scarcity of studies, especially in the High Arctic. We investigated variations in vascular plant community composition and species richness based on 288 plots distributed on three sites...

Data from: The shield effect: nuptial gifts protect males against precopulatory sexual cannibalism

Søren Toft & Maria Jose Albo
Several not mutually exclusive functions have been ascribed to nuptial gifts across different taxa. Although the idea that a nuptial prey gift may protect the male from pre-copulatory sexual cannibalism is attractive, it has previously been considered of no importance based on indirect evidence and rejected by experimental tests. We reinvestigated whether nuptial gifts may function as a shield against female attacks during mating encounters in the spider Pisaura mirabilis and whether female hunger influences...

Data from: Competitor relatedness, indirect soil effects and plant co-existence

Bodil K. Ehlers, Patrice David, Christian F. Damgaard & Thomas Lenormand
How species co-exist is a central question in ecology. Niche differentiation can prevent two species from excluding each other by competition. However, this interaction can vary in space because of internal factors such as intraspecific genetic variation, or external ones such as the presence of a third species. While these effects have been repeatedly observed, their joint effect on the outcome of competition has rarely been considered. We experimentally investigated how a dominant ecosystem engineer...

Data from: Microglial activation in early Alzheimer trajectory is associated with higher grey matter volume

Grazia Daniela Femminella, Melanie Dani, Melanie Wood, Zhen Fan, Valeria Calsolaro, Rebecca Atkinson, Trudi Edginton, Rainer Hinz, David J. Brooks & Paul Edison
Objective: To investigate the influence of microglial activation in the early stages of Alzheimer’s disease trajectory, we assessed the relationship between microglial activation and grey matter volume and hippocampal volume in MCI patients. Methods: In this study, fifty-five participants (37 early stages MCI and 18 controls) underwent [11C]PBR28 PET, a marker of microglial activation; volumetric MRI to evaluate grey matter and hippocampal volumes as well as clinical and neuropsychometric evaluation. [11C]PBR28 VT (volume of distribution)...

Data from: Signatures of selection and environmental adaptation across the goat genome post-domestication

Licia Colli, Marco Milanesi, Andrea Talenti, Francesca Bertolini, Minhui Chen, Alessandra Crisà, Kevin Daly, Marcello Del Corvo, Bernt Guldbrandtsen, Johannes A. Lenstra, Ben D. Rosen, Elia Vajana, Gennaro Catillo, Stéphane Joost, Ezequiel Luis Nicolazzi, Estelle Rochat, Max F. Rothschild, Bertrand Servin, Tad S. Sonstegard, Roberto Steri, Curtis P. Van Tassel, Paolo Ajmone-Marsan, Paola Crepaldi, Alessandra Stella & AdaptMap Consortium
Background: Since goat was domesticated 10,000 years ago, many factors have contributed to the differentiation of goat breeds and these are classified mainly into two types: (i) adaptation to different breeding systems and/or purposes and (ii) adaptation to different environments. As a result, approximately 600 goat breeds have developed worldwide; they differ considerably from one another in terms of phenotypic characteristics and are adapted to a wide range of climatic conditions. In this work, we...

Data from: Conservation genetics of the pond bat (Myotis dasycneme) with special focus on the populations in northwestern Germany and Jutland, Denmark

Liselotte Wesley Andersen, Ronja Dirksen, Elena A. Nikulina, Hans J. Baagøe, Gunars Petersons, Péter Estók, Oleg L. Orlov, Maria V. Orlova, Florian Gloza-Rausch, Matthias Göttsche, Esben Fjederholt, Frauke Krüger & Morten Elmeros
Conservation genetics is important in the management of endangered species, helping to understand their connectivity and long-term viability, thus identifying populations of importance for conservation. The pond bat (Myotis dasycneme) is a rare species classified as ‘Near threatened’ with a wide but patchy Palearctic distribution. A total of 277 samples representing populations in Denmark, Germany, Latvia, Hungary and Russia were used in the genetic analyses; 224 samples representing Denmark, Germany and Russia were analysed at...

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