393 Works

Sådan kan forbedrede ventilationsforhold genåbne Danmark helt

Christian Michel Sørup, Daniel Alberto Sepúlveda Estay & Thorkild I.A. Sørensen

Mytedrab: Nej, vi bruger ikke kun 10 procent af hjernen

Anke Ninija Karabanov

Cultural communication as political communication

Nete Nørgaard Kristensen & Anna Roosvall

Introduction: A Nordic model for political communication?

Eli Skogerbø, Nete Nørgaard Kristensen, Lars Nord & Øyvind Ihlen

Hvordan kan man bekæmpe korruption og misbrug af udviklingsbistand?

Morten Broberg

Spectral data for quaking aspen (Populus tremuloides) clones of different ploidy levels

B. Blonder, B.J. Graae, B. Greer, M. Haagsma, K. Helsen, R.E. Kapás, H. Pai, J. Rieksta, D. Sapena, C.J. Still & R. Strimbeck
Data comprise measurements of spectral reflectance for quaking aspen (Populus tremuloides Michx.) trees at a range of sites in southwestern Colorado near the town of Crested Butte. Spectra were measured in three different ways: hyperspectral measurements of leaves, hyperspectral measurements of bark, and multispectral measurements of canopies. The first two measurements were made using a handheld spectrometer, while the latter were made via airborne imaging from an unmanned aerial system. In addition to these reflectance...

Modeller afslører galaksers fascinerende udvikling

Peter Laursen & Mikkel Stockmann

Ønsker du at forbedre din koncentrationsevne? Her er forskningens tips og tricks

Emma Louth

Guide-Entrepreneurs Developing Urban Ecotourism

Jane Widtfeldt Meged & Berit Charlotte Kaae

Data from: Transcriptome-wide patterns of divergence during allopatric evolution

Ricardo J. Pereira, Felipe S. Barreto, N. Tessa Pierce, Miguel Carneiro & Ronald S. Burton
Recent studies have revealed repeated patterns of genomic divergence associated with species formation. Such patterns suggest that natural selection tends to target a set of available genes, but is also indicative that closely related taxa share evolutionary constraints that limit genetic variability. Studying patterns of genomic divergence among populations within the same species may shed light on the underlying evolutionary processes. Here, we examine transcriptome-wide divergence and polymorphism in the marine copepod Tigriopus californicus, a...

Data from: Deciphering conjugative plasmid permissiveness dynamics in wastewater microbiomes

Samuel Jacquiod, Asker Brjenrod, Stefan M. Morberg, Waleed Abu Al-Soud, Søren J. Sørensen, Leise Riber & Asker Brejnrod
Wastewater treatment plants (WWTPs) are designed to robustly treat polluted water. They are characterized by ceaseless flows of organic, chemical and microbial matter, followed by treatment steps before environmental release. WWTPs are hotspots of horizontal gene transfer (HGT) between bacteria via conjugative plasmids, leading to dissemination of potentially hazardous genetic material such as antimicrobial resistance genes (AMRGs). While current focus is on the threat of AMRGs spreading and environmental maintenance, conjugative plasmid transfer dynamics within...

Data from: Ectomycorrhizal and saprotrophic fungi respond differently to long-term experimentally increased snow depth in the High Arctic

Sunil Mundra, Rune Halvorsen, Håvard Kauserud, Mohammad Bahram, Leho Tedersoo, Bo Elberling, Elisabeth J. Cooper & Pernille Bronken Eidesen
Changing climate is expected to alter precipitation patterns in the Arctic, with consequences for subsurface temperature and moisture conditions, community structure, and nutrient mobilization through microbial belowground processes. Here, we address the effect of increased snow depth on the variation in species richness and community structure of ectomycorrhizal (ECM) and saprotrophic fungi. Soil samples were collected weekly from mid-July to mid-September in both control and deep snow plots. Richness of ECM fungi was lower, while...

Data from: Territorial defence in a network: audiences only matter to male crabs primed for confrontation

Safi K. Darden, Maggie K. May, Natasha K. Boyland & Torben Dabelsteen
Territorial contests often occur in the presence of conspecifics not directly involved in the interaction. Actors may alter their behaviour in the presence of this audience, an ‘audience effect’, and audiences themselves may alter their behaviour as a result of observing an interaction, a ‘bystander effect’. Previous work has documented these effects by looking at each in isolation, but to our knowledge, none has investigated their interaction; something that is more likely to represent a...

Data from: Vascular plant species richness and bioindication predict multi‐taxon species richness

Ane Kirstine Brunbjerg, Hans Henrik Bruun, Lars Dalby, Camilla Fløjgaard, Tobias Guldbjerg Frøslev, Toke Thomas Høye, Irina Goldberg, Thomas Læssøe, Morten D. D. Hansen, Lars Brøndum, Lars Skipper, Kåre Fog & Rasmus Ejrnæs
Plants regulate soils and microclimate, provide substrate for heterotrophic taxa, are easy to observe and identify and have a stable taxonomy, which strongly justifies their use as indicators in monitoring and conservation. However, there is no consensus as to whether plants are strong predictors of total multi‐taxon species richness. In this study, we investigate if general terrestrial species richness can be predicted by vascular plant richness and bioindication. To answer this question, we collected an...

Data from: Genome-wide single nucleotide polymorphism (SNP) identification and characterization in a non-model organism, the African buffalo (Syncerus caffer), using next generation sequencing

Nathalie Smitz, Pim Van Hooft, Rasmus Heller, Daniel Cornélis, Philippe Chardonnet, Robert Kraus, Ben J. Greyling, Richard Crooijmans, Martien Groenen, Johan Michaux & Ben Greyling
This study aimed to develop a set of SNP markers with high resolution and accuracy within the African buffalo. Such a set can be used, among others, to depict subtle population genetic structure for a better understanding of buffalo population dynamics. In total, 18.5 million DNA sequences of 76 bp were generated by next generation sequencing on an Illumina Genome Analyzer II from a reduced representation library using DNA from a panel of 13 African...

Data from: Functional role of phenylacetic acid from metapleural gland secretions in controlling fungal pathogens in evolutionarily derived leafcutter ants

Hermógenes Fernández-Marín, David R. Nash, Sara Higginbotham, Catalina Estrada, Jelle S. Van Zweden, Patrizia D'Ettorre, William T. Wcislo, Jacobus J. Boomsma & H. Fernandez-Marin
Fungus-farming ant colonies vary four to five orders of magnitude in size. They employ compounds from actinomycete bacteria and exocrine glands as antimicrobial agents. Atta colonies have millions of ants and are particularly relevant for understanding hygienic strategies as they have abandoned their ancestors' prime dependence on antibiotic-based biological control in favour of using metapleural gland (MG) chemical secretions. Atta MGs are unique in synthesizing large quantities of phenylacetic acid (PAA), a known but little...

Data from: Environmental DNA from seawater samples correlate with trawl catches of subarctic, deepwater fishes

Philip Francis Thomsen, Peter Rask Møller, Eva Egelyng Sigsgaard, Steen Wilhelm Knudsen, Ole Ankjær Jørgensen & Eske Willerslev
Remote polar and deepwater fish faunas are under pressure from ongoing climate change and increasing fishing effort. However, these fish communities are difficult to monitor for logistic and financial reasons. Currently, monitoring of marine fishes largely relies on invasive techniques such as bottom trawling, and on official reporting of global catches, which can be unreliable. Thus, there is need for alternative and non-invasive techniques for qualitative and quantitative oceanic fish surveys. Here we report environmental...

Data from: An assessment of ancient DNA preservation in Holocene-Pleistocene fossil bone excavated from the world heritage Naracoorte Caves, South Australia

Alicia Grealy, Amy Macken, Morten E. Allentoft, Nicolas J. Rawlence, Elizabeth Reed & Michael Bunce
Although there is a long history of research into the fossil deposits of the Naracoorte Caves (South Australia), ancient DNA (aDNA) has not been integrated into any palaeontological study from this World Heritage site. Here, we provide the first evidence of aDNA preservation in Holocene- and Pleistocene-aged fossil bone from a deposit inside Robertson Cave. Using a combination of metabarcoding and shotgun next-generation sequencing approaches, we demonstrate that aDNA from diverse taxa can be retrieved...

Data from: Rat retinal vasomotion assessed by laser speckle imaging

Anastasiia Y. Neganova, Dmitry D. Postnov, Olga Sosnovtseva & Jens Christian Brings Jacobsen
Vasomotion is spontaneous or induced rhythmic changes in vascular tone or vessel diameter that lead to rhythmic changes in flow. While the vascular research community debates the physiological and pathophysiological consequence of vasomotion, there is a great need for experimental techniques that can address the role and dynamical properties of vasomotion in vivo. We apply laser speckle imaging to study spontaneous and drug induced vasomotion in retinal network of anesthetized rats. The results reveal a...

Data from: Latitudinal pattern of flowering synchrony in an invasive wind-pollinated plant

Shiyun Qiu, Xiao Xu, Shuangshuang Liu, Wenwen Liu, Jing Liu, Ming Nie, Fuchen Shi, Yihui Zhang, Jacob Weiner & Bo Li
Flowering synchrony can play an important role in plants’ reproductive success, which is essential for the successful establishment and spread of invasive plants. Although flowering synchrony has been found to be closely related to climatic factors, the effects of variation in such factors along latitudinal gradients on flowering synchrony, and the role of flowering synchrony in the reproductive success of invading populations remain largely unexplored. In a two-year field study, we examined the latitudinal variation...

Data from: Identification of multiple QTL hotspots in sockeye salmon (Oncorhynchus nerka) using genotyping-by-sequencing and a dense linkage map

Wesley A. Larson, Garrett J. McKinney, Morten T. Limborg, Meredith V. Everett, Lisa W. Seeb & James E. Seeb
Understanding the genetic architecture of phenotypic traits can provide important information about the mechanisms and genomic regions involved in local adaptation and speciation. Here, we used genotyping-by-sequencing and a combination of previously published and newly generated data to construct sex-specific linkage maps for sockeye salmon (Oncorhynchus nerka). We then used the denser female linkage map to conduct quantitative trait locus (QTL) analysis for 4 phenotypic traits in 3 families. The female linkage map consisted of...

Data from: Unifying latitudinal gradients in range size and richness across marine and terrestrial systems

Adam Tomasovych, Jonathan D. Kennedy, Tristan J. Betzner, Nicole Bitler Kuehnle, Stewart Edie, Sora Kim, K. Supriya, Alexander E. White, Carsten Rahbek, Shan Huang, Trevor D. Price & David Jablonski
Many marine and terrestrial clades show similar latitudinal gradients in species richness, but opposite gradients in range size—on land, ranges are the smallest in the tropics, whereas in the sea, ranges are the largest in the tropics. Therefore, richness gradients in marine and terrestrial systems do not arise from a shared latitudinal arrangement of species range sizes. Comparing terrestrial birds and marine bivalves, we find that gradients in range size are concordant at the level...

Data from: Interaction rewiring and the rapid turnover of plant-pollinator networks

Paul J. CaraDonna, William K. Petry, Ross M. Brennan, James L. Cunningham, Judith L. Bronstein, Nickolas M. Waser & Nathan J. Sanders
Whether species interactions are static or change over time has wide-reaching ecological and evolutionary consequences. However, species interaction networks are typically constructed from temporally aggregated interaction data, thereby implicitly assuming that interactions are fixed. This approach has advanced our understanding of communities, but it obscures the timescale at which interactions form (or dissolve) and the drivers and consequences of such dynamics. We address this knowledge gap by quantifying the within-season turnover of plant–pollinator interactions from...

Data from: Agriculture shapes the trophic niche of a bat preying on multiple pest arthropods across Europe: evidence from DNA metabarcoding

Ostaizka Aizpurua, Ivana Budinski, Panagiotis Georgiakakis, Shyam Gopalakrishnan, Carlos Ibáñez, Vanessa Mata, Hugo Rebelo, Danilo Russo, Farkas Szodoray-Parádi, Violeta Zhelyazkova, Vida Zrncic, M. Thomas P. Gilbert & Antton Alberdi
The interaction between agricultural production and wildlife can shape, and even condition, the functioning of both systems. In this study we i) explored the degree to which a widespread European bat, namely the common bent-wing bat Miniopterus schreibersii, consumes crop-damaging insects at a continental scale, and ii) tested whether its dietary niche is shaped by the extension and type of agricultural fields. We employed a dual-primer DNA metabarcoding approach to characterise arthropod 16S and COI...

Data from: Trait-dependent distributional shifts in fruiting of common British fungi

Alan C. Gange, Einar Heegaard, Lynne Boddy, Carrie Andrew, Paul Kirk, Rune Halvorsen, Thomas W. Kuyper, Claus Bässler, Jeffrey Diez, Jacob Heilman-Clausen, Klaus Høiland, Ulf Büntgen & Håvard Kauserud
Despite the dramatic phenological responses of fungal fruiting to recent climate warming, it is unknown whether spatial distributions of fungi have changed and to what extent such changes are influenced by fungal traits, such as ectomycorrhizal (ECM) or saprotrophic lifestyles, spore characteristics, or fruit body size. Our overall aim was to understand how climate and fungal traits determine whether and how species-specific fungal fruit body abundances have shifted across latitudes over time, using the UK...

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  • University of Copenhagen
  • Aarhus University
  • University of Cambridge
  • Uppsala University
  • Smithsonian Institution
  • University of Oslo
  • University of Oxford
  • Swedish University of Agricultural Sciences
  • University of Helsinki
  • Lund University