499 Works

Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects

Xavier A. Harrison, Stuart Bearhop, Richard Inger, Kendrew Colhoun, Gudmundur A. Gudmundsson, David Hodgson, Graham McElwaine & Tom Tregenza
Studies in a multitude of taxa have described a correlation between heterozygosity and fitness, and usually conclude that this is evidence for inbreeding depression. Here we have used multi-locus heterozygosity estimates from 15 microsatellite markers to show evidence of heterozygosity-fitness correlations (HFCs) in a long-distance migratory bird, the light-bellied Brent goose. We found significant, positive heterozygosity-heterozygosity correlations between random subsets of the markers we employ, and no evidence that a model containing all loci as...

Data from: Population genetic structure and direct observations reveal sex-reversed patterns of dispersal in a cooperative bird

Xavier A. Harrison, Andrew J. Young & Jennifer E. York
Sex-biased dispersal is pervasive and has diverse evolutionary implications, but the fundamental drivers of dispersal sex biases remain unresolved. This is due in part to limited diversity within taxonomic groups in the direction of dispersal sex biases, which leaves hypothesis testing critically dependent upon identifying rare reversals of taxonomic norms. Here we use a combination of observational and genetic data to demonstrate a rare reversal of the avian sex-bias in dispersal in the cooperatively breeding...

Data from: Self-recognition in crickets via on-line processing

Alexandra Capodeanu-Nägler, James Rapkin, Scott K. Sakaluk, John Hunt & Sandra Steiger
Self-referent phenotype matching, the ability of animals to use aspects of their own phenotype as a referent in discrimination decisions, is believed to play a significant role in nepotistic interactions and mate choice in a wide range of taxa [1]. An individual’s ability to assess the similarity between its own phenotype and that of the individuals it encounters can provide a reliable measure of relatedness, thereby facilitating inbreeding avoidance, optimal outbreeding or altruistic behavior towards...

Data from: High rates of growth recorded for hawksbill sea turtles in Anegada, British Virgin Islands

Lucy A. Hawkes, Andrew McGowan, Annette C. Broderick, Shannon Gore, Damon Wheatley, Jim White, Matthew J. Witt & Brendan J. Godley
Management of species of conservation concern requires knowledge of demographic parameters, such as rates of recruitment, survival, and growth. In the Caribbean, hawksbill turtles (Eretmochelys imbricata) have been historically exploited in huge numbers to satisfy trade in their shells and meat. In the present study, we estimated growth rate of juvenile hawksbill turtles around Anegada, British Virgin Islands, using capture–mark–recapture of 59 turtles over periods of up to 649 days. Turtles were recaptured up to...

Data from: Bacterial motility confers fitness advantage in the presence of phages

Tiffany B. Taylor & Angus Buckling
Dispersal provides the opportunity to escape harm and colonize new patches, enabling populations to expand and persist. However, the benefits of dispersal associated with escaping harm will be dependent on the structure of the environment and the likelihood of escape. Here, we empirically investigate how the spatial distribution of a parasite influences the evolution of host dispersal. Bacteriophages are a strong and common threat for bacteria in natural environments and offer a good system with...

Data from: The availability of research data declines rapidly with article age

Timothy H. Vines, Arianne Y. K. Albert, Rose L. Andrew, Florence Débarre, Dan G. Bock, Michelle T. Franklin, Kimberly J. Gilbert, Jean-Sébastien Moore, Sébastien Renaut & Diana J. Rennison
Policies ensuring that research data are available on public archives are increasingly being implemented at the government, funding agency, and journal level. These policies are predicated on the idea that authors are poor stewards of their data, particularly over the long term, and indeed many studies have found that authors are often unable or unwilling to share their data. However, there are no systematic estimates of how the availability of research data changes with time...

Data from: No association between sperm competition and sperm length variation across dung flies (Scathophagidae)

Manmohan D. Sharma, Aria M. Minder & David J. Hosken
Sperm length is extremely variable across species, but a general explanation for this variation is lacking. However, when the risk of sperm competition is high, sperm length is predicted to be less variable within species, and there is some evidence for this in birds and social insects. Here, we examined intraspecific variation in sperm length, both within and between males, and its potential associations with sperm competition risk and variation in female reproductive tract morphology...

Data from: Wing shape variation associated with mimicry in butterflies

Robert Tyrrell Jones, Yann Le Poul, Annabel C. Whibley, Claire Mérot, Richard H. Ffrench-Constant & Mathieu Joron
Mimetic resemblance in unpalatable butterflies has been studied by evolutionary biologists for over a century, but has largely focused on the convergence in wing color patterns. In Heliconius numata, discrete color-pattern morphs closely resemble co-mimics in the distantly-related genus Melinaea. We examine the possibility that the shape of the butterfly wing also shows adaptive convergence. First, simple measures of forewing dimensions were taken of individuals in a cross between H. numata morphs, and showed quantitative...

Data from: Fluctuating temperature leads to evolution of thermal generalism and preadaptation to novel environments

Tarmo Ketola, Lauri Mikonranta, Ji Zhang, Kati Saarinen, Ville-Petri Friman, Anni-Maria Örmälä, Johanna Mappes & Jouni Laakso
Environmental fluctuations can select for generalism, which is also hypothesized to increase organisms’ ability to invade novel environments. Here, we show that across a range of temperatures, opportunistic bacterial pathogen Serratia marcescens that evolved in fluctuating temperature (daily variation between 24°C and 38°C, mean 31°C) outperforms the strains that evolved in constant temperature (31°C). The growth advantage was also evident in novel environments in the presence of parasitic viruses and predatory protozoans, but less clear...

Data from: Female mate preferences for male body size and shape promote sexual isolation in threespine sticklebacks

Megan L. Head, Genevieve M. Kozak & Janette W. Boughman
Female mate preferences for ecologically relevant traits may enhance natural selection, leading to rapid divergence. They may also forge a link between mate choice within species and sexual isolation between species. Here, we examine female mate preference for two ecologically important traits: body size and body shape. We measured female preferences within and between species of benthic, limnetic, and anadromous threespine sticklebacks (Gasterosteus aculeatus species complex). We found that mate preferences differed between species and...

Data from: Male age mediates reproductive investment and response to paternity assurance

Kyle M. Benowitz, Megan L. Head, Camellia A. Williams, Allen J. Moore & Nick J. Royle
Theory predicts that male response to reduced paternity will depend on male state and interactions between the sexes. If there is little chance of reproducing again, then males should invest heavily in current offspring, regardless of their share in paternity. We tested this by manipulating male age and paternity assurance in the burying beetle Nicrophorus vespilloides. We found older males invested more in both mating effort and parental effort than younger males. Furthermore, male age,...

Data from: The impact of Wolbachia, male age and mating history on cytoplasmic incompatibility and sperm transfer in Drosophila simulans

Znmako A. Awrahman, Fleur Champion De Crespigny & Nina Wedell
Most insects harbour a variety of maternally inherited endosymbionts, the most widespread being Wolbachia pipientis that commonly induce cytoplasmic incompatibility (CI) and reduced hatching success in crosses between infected males and uninfected females. High temperature and increasing male age are known to reduce the level of CI in a variety of insects. In Drosophila simulans, infected males have been shown to mate at a higher rate than uninfected males. By examining the impact of mating...

Data from: Cannibalism as an interacting phenotype: pre-cannibalistic aggression is influenced by social partners in the endangered Socorro isopod (Thermosphaeroma thermophilum)

Bronwyn H. Bleakley, Stephanie M. Welter, Karlline McCauley-Cole, Stephen M. Shuster & Allen J. Moore
Models for the evolution of cannibalism highlight the importance of asymmetries between individuals in initiating cannibalistic attacks. Studies may include measures of body size but typically group individuals into size/age classes or compare populations. Such broad comparisons may obscure the details of interactions that ultimately determine how socially contingent characteristics evolve. We propose that understanding cannibalism is facilitated by using an interacting phenotypes perspective that includes the influences of the phenotype of a social partner...

Natural enemies of crop pests in oilseed rape fields in relation to local plant diversity and landscape characteristics

R.F. Shaw, J.K. Pell, J.W. Redhead, J.M. Bullock & J.L. Osborne
The number and type of natural enemies of crop pests found in winter-sown oilseed rape fields (Brassica napus L.) in relation to local plant diversity (in crop and field margin) and landscape characteristics. Natural enemies and pests were collected using two methods (suction sampling and pitfall traps). Local plant diversity was assessed using quadrats in field margins and in cropped area. The presence of hedges was also recorded. Landscape characteristics include the amount of mass...

Seedlings leaf loss by herbivory in a fertilized forest in Central Amazonia (2019 - 2020)

F.A. Antonieto, R.L. Assis, I.P. Hartley, R. Di Ponzio & C.A. Quesada
Data are presented showing for individual seedling, herbivory damage at the leaf level; galls, pathogens, trail herbivory presence/absence qualitative data; and leaf mortality. Data were collected in each leaf from a plot based fertilisation experiment. The experiment was carried out at the Biological Dynamics of Forest Fragments Project (BDFFP) approximately 100 km north of Manaus. Data were collected bimonthly from February 2019 to January 2020, by the dataset first author. Leaf loss in percentage was...

Allometric modelling of plant biomass from drone-acquired photographs: drone images, ground control marker coordinates and biomass data from 36 sites, 2016-2020

A. Cunliffe, K. Anderson, F. Boschetti, H. Graham, R. Brazier, I. Myers-Smith, T. Astor, M. Boer, L. Calvo, P. Clark, M. Cramer, M. Encinas-Lara, S. Escarzaga, J. Fernández-Guisuraga, A. Fisher, K. Gdulová, B. Gillespie, A. Griebel, N. Hanan, M. Hanggito, S. Haselberger, C. Havrilla, W. Ji, J. Karl, M. Kirchhoff … & R. Wojcikiewicz
This dataset contains RGB photographs acquired from drone surveys. There are 741 harvest plots from 38 surveys at 36 sites around the world. Each site was approximately 1 ha in area. Included with the photographic images are the coordinates of ground control markers, biomass, taxonomic and location data for harvest plots and ancillary metadata. The observations can be used to obtain allometric size-biomass models. This work was supported by the Natural Environment Research Council award...

Land-use and climate change for 1.5 and 2.0 degrees centigrade warming scenarios (JULES land surface model)

A. Harper, T. Powell, P. Cox, E. Comyn-Platt & C. Huntingford
This dataset includes six sets of model output from JULES/IMOGEN simulations. Each set includes output from JULES (the Joint UK Land Environment Simulator) run with 34 climate change patterns from 2000-2099. The outputs provide carbon stocks and variables related to the surface energy budget to understand the implications of land-based climate mitigation.

Digital Surface Models for the South Saskatchewan River, Canada

P. Ashworth, A. Nicholas, D. Parsons & G. Sambrook Smith
Data were collected in 2015, 2016 and 2017 to provide Digital Surface Models (DSM) for two sections of the South Saskatchewan River, Canada. DSMs were generated using aerial plane images with a 0.06m ground resolution, captured at a height of c. 1500 m from a fixed-wing aeroplane with an UltraCamXp sensor. DSMs were generated as part of NERC project NE/L00738X/1. DSMs were constructed using imagery obtained on four occasions (13th May 2015; 2nd Sept 2016;...

Soil temperature profiles from permafrost in subarctic Canada

C. Estop-Aragones, J.P. Fisher, M.A. Cooper, A. Thierry, R. Treharne, J.B. Murton, G.K. Phoenix, D.J. Charman, M. Williams & I.P. Hartley
This dataset consists of soil temperature profiles from permafrost in subarctic Canada. Soil temperature profiles were monitored during summer in 2013 and 2014 in Yukon and Northwest Territories. Monitored sites included peatland plateaus, thawing features of peatland plateaus, unburnt and burnt black spruce forests, and additional sites.

Soil thaw depth from permafrost in subarctic Canada

C. Estop-Aragones, J.P. Fisher, M.A. Cooper, A. Thierry, R. Treharne, J.B. Murton, G.K. Phoenix, D.J. Charman, M. Williams & I.P. Hartley
This datasets contains measures of soil thaw depth from permafrost in subarctic Canada. Soil thaw depth was measured in 2013 and 2014 in sites from Yukon and Northwest Territories.

Coastal Biodiversity and Ecosystem Service Sustainability (CBESS) eddy covariance flux data for Abbotts Hall, Essex

T. Hill & M. Chocholek
The eddy covariance data describes the fluxes of CO2, latent energy, and sensible heat. It also includes ancillary data: air and soil temperatures, net radiation balance, down-welling photosynthetically active radiation, wind speed, wind direction, vapour pressure deficit, friction velocity, Monin-Obukhov stability and modelled respiration. Data collection was carried out at Abbotts Hall marsh from the 15 December 2012 till the 27 January 2015. The Abbotts Hall site is in Essex, South East England, and the...

Plant physiological measurements in North Wales and Northwest England (2013, 2014 and 2016)

M.C. Blanes, S. Reinsch, L. Mercado, H. Harmens, S. Smart, B.J. Cosby, H.C. Glanville, D.L. Jones, M.R. Marshall & B.A. Emmett
The data consists of plant physiological measurements from 15 sites located in the Conwy catchment (North Wales) and from 2 sites in North West England. Plant photosynthetic parameters for the maximum rate of carboxylation (Vcmax), the maximum rate of electron transport (Jmax) and the maximum light saturated photosynthesis (Asat) were measured on the dominant plant species as were foliar nitrogen (Foliar N) and phosphorus (Foliar P). Leaf mass area (LMA) and specific leaf area (SLA)...

Data from: Ecological selection of siderophore-producing microbial taxa in response to heavy metal contamination

Elze Hesse, Siobhan O'Brien, Nicolas Tromas, Florian Bayer, Adela M. Lujan, Eleanor M. Van Veen, Dave J. Hodgson & Angus Buckling
Some microbial public goods can provide both individual and community-wide benefits, and are open to exploitation by non-producing species. One such example is the production of metal-detoxifying siderophores. Here, we investigate whether conflicting selection pressures on siderophore production by heavy metals – a detoxifying effect of siderophores, and exploitation of this detoxifying effect – results in a net increase or decrease. We show that the proportion of siderophore-producing taxa increases along a natural heavy metal...

Data from: Does fuel type influence the amount of charcoal produced in wildfires? Implications for the fossil record

Victoria A. Hudspith, Rory M. Hadden, Alastair I. Bartlett & Claire M. Belcher
Charcoal occurrence is extensively used as a tool for understanding wildfires over geological timescales. Yet, the fossil charcoal literature to date rarely considers that fire alone is capable of creating a bias in the abundance and nature of charcoal it creates, before it even becomes incorporated into the fossil record. In this study we have used state-of-the-art calorimetry to experimentally produce charcoal from twenty species that represent a range of surface fuels and growth habits,...

Data from: Egg mimicry by the pacific koel: mimicry of one host facilitates exploitation of other hosts with similar egg types

Virginia E. Abernathy, Jolyon Troscianko & Naomi E. Langmore
When brood parasites exploit multiple host species, egg rejection by hosts may select for the evolution of host-specific races, where each race mimics a particular host’s egg type. However, some brood parasites that exploit multiple hosts with the ability to reject foreign eggs appear to have only a single egg type. In these cases, it is unclear how the parasite egg escapes detection by its hosts. Three possible explanations are: (i) host-specific races are present,...

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  • University of Exeter
  • University of Cambridge
  • University of Edinburgh
  • University of Oxford
  • University of Sheffield
  • University of Sussex
  • Centre for Ecology & Hydrology
  • University of Glasgow
  • Australian National University
  • University of Zurich