84 Works

In situ near-streambed light regime and water column dissolved oxygen and temperature measurements performed seasonally at six tributaries of Hampshire River Avon from 2013 to 2014

L. Rovelli, K. M. Attard, H. Stahl & R. N. Glud
The dataset contains time series of dissolved oxygen dynamics and near-streambed light availability from selected riverine sites within the Hampshire Avon catchment (UK). Six rivers within sub-catchments of contrasting geology (clay, greensand, chalk) and associated river morphology were investigated. Data were obtained from field-based measurements in seasonal campaigns conducted between spring 2013 and winter 2014.

Summary data of reach scale oxygen consumption and production in the streambed and in the water column at six tributaries of Hampshire River Avon collected seasonally in 2013 to 2014

L. Rovelli, K. M. Attard, H. Stahl & R. N. Glud
The dataset contains daytime and nighttime averages of oxygen production and consumption rates from representative sites at six rivers within sub-catchments of contrasting geology (clay, greensand, chalk) of the Hampshire River Avon catchment (UK). Rates were obtained for the benthic compartment using the non-invasive Aquatic Eddy Co-variance (AEC) and in the water column with sample incubations during seasonal field campaigns conducted between spring 2013 and winter 2014.

Test af Data Monitor-integration i Pure

Mette Detlevsen & Lone Grip

Citizen science guider forskerne til vigtige marsvin-områder

Freja Jakobsen, Signe Sveegaard & Magnus Wahlberg

The dynamic interdependence in the demand of primary and emergency secondary care:

Mauro Laudicella & Paolo Li Donni

Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena)

Danuta M. Wisniewska, John M. Ratcliffe, Kristian Beedholm, Christian B. Christensen, Mark Johnson, Jens C. Koblitz, Magnus Wahlberg & Peter M. Madsen
Toothed whales use sonar to detect, locate, and track prey. They adjust emitted sound intensity, auditory sensitivity and click rate to target range, and terminate prey pursuits with high-repetition-rate, low-intensity buzzes. However, their narrow acoustic field of view (FOV) is considered stable throughout target approach, which could facilitate prey escape at close-range. Here, we show that, like some bats, harbour porpoises can broaden their biosonar beam during the terminal phase of attack but, unlike bats,...

Data from: Oilbirds produce echolocation signals beyond their best hearing range and adjust signal design to natural light conditions

Signe Brinkløv, Coen P. H. Elemans & John M. Ratcliffe
Oilbirds are active at night, foraging for fruits using keen olfaction and extremely light-sensitive eyes, and echolocate as they leave and return to their cavernous roosts. We recorded the echolocation behaviour of wild oilbirds using a multi-microphone array as they entered and exited their roosts under different natural light conditions. During echolocation, the birds produced click bursts (CBs) lasting less than 10 ms and consisting of a variable number (2–8) of clicks at 2–3 ms...

Data from: Clinical spectrum of STX1B-related epileptic disorders

Stefan Wolking, Patrick May, Davide Mei, Rikke S. Møller, Simona Balestrini, Katherine L. Helbig, Cecilia Desmettre Altuzarra, Nicolas Chatron, Charu Kaiwar, Katharina Stoehr, Peter Widdess-Walsh, Bryce A. Mendelsohn, Adam Numis, Maria R. Cilio, Wim Van Paesschen, Lene L. Svendsen, Stephanie Oates, Elaine Hughes, Sushma Goyal, Kathleen Brown, Margarita Sifuentes Saenz, Thomas Dorn, Hiltrud Muhle, Alistair T. Pagnamenta, Dimitris V. Vavoulis … & Julian Schubert
Objective: The aim of this study was to expand the spectrum of epilepsy syndromes related to STX1B, encoding the presynaptic protein syntaxin-1B, and establish genotype-phenotype correlations by identifying further disease-related variants. Methods: We used next generation sequencing in the framework of research projects and diagnostic testing. Clinical data and EEGs were reviewed, including already published cases. To estimate the pathogenicity of the variants, we used established and newly developed in silico prediction tools. Results: We...

Data from: A 2.6‐g sound and movement tag for studying the acoustic scene and kinematics of echolocating bats

Laura Stidsholt, Mark Johnson, Kristian Beedholm, Lasse Jakobsen, Kathrin Kugler, Signe Brinkløv, Angeles Salles, Cynthia F. Moss & Peter Teglberg Madsen
1. To study sensorimotor behaviour in wild animals, it is necessary to synchronously record the sensory inputs available to the animal, and its movements. To do this, we have developed a biologging device that can record the primary sensory information and the associated movements during foraging and navigating in echolocating bats. 2. This 2.6 -gram tag records the sonar calls and echoes from an ultrasonic microphone, while simultaneously sampling fine-scale movement in three dimensions from...

Data from: Vocal state change through laryngeal development

Yisi S. Zhang, Daniel Y. Takahashi, Diana A. Liao, Asif A. Ghazanfar & Coen P. H. Elemans
Across vertebrates, progressive changes in vocal behavior during postnatal development are typically attributed solely to developing neural circuits. How the changing body influences vocal development remains unknown. Here we show that state changes in the contact vocalizations of infant marmoset monkeys, which transition from noisy, low frequency cries to tonal, higher pitched vocalizations in adults, are caused partially by laryngeal development. Combining analyses of natural vocalizations, motorized excised larynx experiments, tensile material tests and high-speed...

Data from: A pace and shape perspective on fertility

Annette Baudisch & Iain Stott
1. Aging is ubiquitous to all organisms, but aging does not always mean senescence. Counter to most evolutionary theories of aging, patterns of mortality and reproduction may remain unchanged or improve with age, as well as deteriorate. Describing this diversity presents a challenge to eco-evolutionary demography. The pace-shape framework of mortality tackled this challenge to qualify and quantify orthogonal components of aging patterns in mortality. Here we extend this framework to fertility. 2. Analogous to...

The Long Lives of Primates and the 'Invariant Rate of Ageing' Hypothesis

Susan Alberts & Fernando Colchero
Is it possible to slow the rate of ageing, or do biological constraints limit its plasticity? We test the ‘invariant rate of ageing’ hypothesis, which posits that the rate of ageing is relatively fixed within species, with a collection of 39 human and nonhuman primate datasets across seven genera. We first recapitulate, in nonhuman primates, the highly regular relationship between life expectancy and lifespan equality seen in humans. We next demonstrate that variation in the...

Hvor gamle kan vi blive?

James Vaupel, Francisco Villavicencio & Marie-Pier Bergeron-Boucher

Age matters: Demographic senescence in the moss Polytrichastrum formosum

Ditte Tholstrup, Rune Halvorsen & Johan Dahlgren
It is known that many animal species senesce demographically, showing a decrease in survival and/or fertility with age. Though there is mounting evidence for and against senescence in various flowering plant species, the question of whether senescence also occurs in other plant taxa, such as mosses and other bryophytes, remains unanswered. We used GAMMs (generalized additive mixed models) and GLMMs (generalized linear mixed models) to assess effects of age on survival, size and the monocarpic...

Data from: Advancing population ecology with integral projection models: a practical guide

Cory Merow, Johan P. Dalgren, C. Jessica E. Metcalf, Dylan Z. Childs, M. E. K. Evans, Eelke Jongejans, Sydne Record, Mark Rees, Roberto Salguero-Gómez, Sean M. McMahon, Margaret E.K. Evans & Johan P. Dahlgren
Integral Projection Models (IPMs) use information on how an individual's state influences its vital rates - survival, growth and reproduction - to make population projections. IPMs are constructed from regression models predicting vital rates from state variables (e.g., size or age) and covariates (e.g., environment). By combining regressions of vital rates, an IPM provides mechanistic insight into emergent ecological patterns such as population dynamics, species geographic distributions, or life history strategies. Here, we review important...

Orthokeratology Lenses for Myopia Control in Scandinavian Children: A randomised 18-month clinical trial

Trine Møldrup Jakobsen

The anti-ageing potential of lifelong football and team handball training – with special emphasis on telomeres and bone health

Marie von Ahnen Hagman

Sådan bliver vi bedre til at forebygge livmoderhalskræft i Afrika

Ditte Søndergaard Linde, Vibeke Rasch & Susanne Kjaer

D-vitamin til gravide og småbørn giver tilsyneladende ikke stærkere knogler

Signe Monrad Nørgaard & Henrik Thybo Christesen

Solceller: Derfor kan selv en lille skygge fra et træ lede til et voldsomt stort energitab

Kasper Paasch

The Dementia Carer assessment of support Needs Tool - Development of a questionnaire to assess the support needs of carers to people with dementia

Trine Holt Clemmensen

Responsible Conduct of Research (RCR) measurement instruments: Systematic review

Mette Brandt Eriksen & Lone Bredahl Jensen

Walruses produce intense impulse sounds by clap-induced cavitation during breeding displays

Colleen Reichmuth & Ole Næsbye Larsen
Male walruses produce the longest continuous reproductive displays known in the animal kingdom to convey their individual fitness to potential rivals, and possibly to potential mates. Here we document the ability of a captive walrus to produce intense, rhythmic sounds through a non-vocal pathway involving deliberate, regular collision of the fore flippers. High-speed videography linked to an acoustic onset marker revealed sound production through cavitation, with the acoustic impulse generated by each forceful clap exceeding...

Data from: Demographic variability and heterogeneity among individuals within and among clonal bacteria strains

Lionel Jouvet, Alexandro Rodríguez-Rojas & Ulrich K. Steiner
Identifying what drives individual heterogeneity has been of long interest to ecologists, evolutionary biologists and biodemographers, because only such identification provides deeper understanding of ecological and evolutionary population dynamics. In natural populations one is challenged to accurately decompose the drivers of heterogeneity among individuals as genetically fixed or selectively neutral. Rather than working on wild populations we present here data from a simple bacterial system in the lab, Escherichia coli. Our system, based on cutting-edge...

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