45 Works

Complex interactions between sperm viability and female fertility

Maximiliano Tourmente, Archer Ruth & David Hosken
Sperm viability is a major male fitness component, with higher sperm viability associated with enhanced sperm competitiveness. While many studies have focussed on sperm viability from the male fitness standpoint, its impact on female fitness is less clear. Here we used a panel of 32 isogenic Drosophila simulans lines to test for genetic variation in sperm viability (percentage of viable cells). We then tested whether sperm viability affected female fitness by mating females to males...

Grazing intensity significantly changes the C:N:P stoichiometry in grassland ecosystems

Guiyao Zhou, Miao He, Tengfei Yuan, Kees Jan Van Groenigen, Junjiong Shao & Xuhui Zhou
Aim: Livestock grazing can alter carbon (C), nitrogen (N) and phosphorus (P) cycles, thereby affecting the C:N:P stoichiometry in grasslands. In this study, we aimed to examine the underlying mechanisms for the impacts of grazing intensity on grassland C:N:P stoichiometry, especially for the belowground processes and their linkages with aboveground vegetation properties. Location: Global. Time period: 1900-2018. Major taxa studied: Grassland ecosystems. Methods: Here, we conducted a meta-analysis based on 129 published studies to synthesize...

Data from: Shifts along parasite-mutualist continuum are opposed by fundamental trade-offs

Andrew C. Matthews, Lauri Mikonranta & Ben Raymond
Theory suggests that symbionts can readily evolve more parasitic or mutualistic strategies with respect to hosts. However, many symbionts have stable interactions with hosts that improve nutrient assimilation or confer protection from pathogens. We explored the potential for evolution of increased parasitism or decreased parasitism and mutualism in a natural gut symbiosis between larvae of Plutella xylostella and the microbe Enterobacter cloacae. We focused on interactions with the pathogen, Bacillus thuringiensis: selecting for parasitism in...

Data from: Experimental evolution reveals divergence in female genital teeth morphology in response to sexual conflict intensity in a moth

Kathryn B. McNamara, Liam R. Dougherty, Nina Wedell & Leigh W. Simmons
The rapid evolutionary divergence of male genital structures under sexual selection is well documented. However, variation in female genital traits and the potential for sexual conflict to drive the coevolution between male and female traits has only recently received attention. In many lepidopterans females possess genital teeth (collectively, signa). Comparative studies suggest these teeth, involved in the deflation of spermatophores, may have coevolved with male spermatophore thickness via sexually antagonistic coevolution in a contest over...

Data from: Exaggerated heterochiasmy in a fish with sex-linked male coloration polymorphisms

Roberta Bergero, Jim Gardner, Beth Bader, Lengxob Yong & Deborah Charlesworth
It is often stated that polymorphisms for mutations affecting fitness of males and females in opposite directions [sexually antagonistic (SA) polymorphisms] are the main selective force for the evolution of recombination suppression between sex chromosomes. However, empirical evidence to discriminate between different hypotheses is difficult to obtain. We report genetic mapping results in laboratory-raised families of the guppy (Poecilia reticulata), a sexually dimorphic fish with SA polymorphisms for male coloration genes, mostly on the sex...

Data from: Targeting antibiotic resistant bacteria with phages reduces bacterial density in an insect host

Lauri Mikonranta, Angus Buckling, Matti Jalasvuori & Ben Raymond
Phage therapy is attracting growing interest among clinicians as antibiotic resistance continues becoming harder to control. However, clinical trials and animal model studies on bacteriophage treatment are still scarce and results on the efficacy vary. Recent research suggests that using traditional antimicrobials in concert with phage could have desirable synergistic effects that hinder the evolution of resistance. Here, we present a novel insect gut model to study phage-antibiotic interaction in a system where antibiotic resistance...

Phenotypic data collected in the experimental infection study of house finches with M. gallisepticum bacterial isolates

C. Bonneaud
Data collected from an experimental inoculation study of house finches with isolates of the bacterial pathogen, Mycoplasma gallisepticum, conducted at Arizona State University, USA in 2015. Data include multiple measurements of disease progression obtained as measures of body mass, symptoms severity scores and infection status. The birds were caught from wild-populations and brought back into the laboratory in July 2015 to allow them to acclimate to laboratory conditions before study onset in October 2015. The...

Data from: Structure from motion photogrammetry: does the choice of software matter for Ecology?

Joel Forsmoo, Karen Anderson, Christopher Macleod, Mark Wilkinson, Leon DeBell & Richard Brazier
Structure-from-Motion (SfM) and Multiview-Stereo (MVS) is emerging as a flexible, self-service, remote sensing tool for generating fine-grained digital surface models (DSMs) in the Earth sciences and ecology. However, drone-based SfM+MVS applications have developed at a rapid pace over the past decade and there are now many software options available for data processing. Consequently, understanding of reproducibility issues caused by variations in software choice and their influence on data quality is relatively poorly understood. This understanding...

Towards a comparative approach to the structure of animal personality variation

Stephen White, David Pascall & Alastair Wilson
Latent personality traits underpinning observed behavioral variation have been studied in a great many species. However, a lack of standardized behavioral assays, coupled to a common reliance on inferring personality from a single, observed, behavioral trait makes it difficult to determine if, when, and how conclusions can be directly compared across taxa. Here, we estimate the among-individual (co)variance structure (ID) for a set of four behaviors expressed in an open field trial, putatively indicative of...

Data from: Knock-on community impacts of a novel vector: spillover of emerging DWV-B from Varroa-infested honeybees to wild bumblebees

Robyn Manley, Ben Temperton, Toby Doyle, Daisy Gates, Sophie Hedges, Michael Boots & Lena Wilfert
Novel transmission routes can directly impact the evolutionary ecology of infectious diseases, with potentially dramatic effect on host populations and knock-on effects on the wider host community. The invasion of Varroa destructor, an ectoparasitic viral vector in Western honeybees, provides a unique opportunity to examine how a novel vector affects disease epidemiology in a host community. This specialist honeybee mite vectors deformed wing virus (DWV), an important re-emerging honeybee pathogen that also infects wild bumblebees....

Evidence for individual discrimination and numerical assessment in collective antipredator behaviour in wild jackdaws (Corvus monedula)

Jenny R. Coomes, Guillam E. McIvor & Alex Thornton
Collective responses to threats occur throughout the animal kingdom but little is known about the cognitive processes underpinning them. Antipredator mobbing is one such response. Approaching a predator may be highly risky, but the individual risk declines and the likelihood of repelling the predator increases in larger mobbing groups. The ability to appraise the number of conspecifics involved in a mobbing event could therefore facilitate strategic decisions about whether to join. Mobs are commonly initiated...

Data from: Artificial selection on walking distance suggests a mobility-sperm competitiveness trade-off

Kentarou Matsumura, C. Ruth Archer, David J. Hosken & Takahisa Miyatake
Securing matings is a key determinant of fitness and in many species males are the sex that engages in mate searching. Searching for mates is often associated with increased mobility. This elevated investment in movement is predicted to trade-off with sperm competitiveness, but few studies have directly tested whether this trade-off occurs. Here, we assessed whether artificial selection on mobility affected sperm competitiveness and mating behavior, and if increased mobility was due to increased leg...

Data from: Local forage fish abundance influences foraging effort and offspring condition in an Endangered marine predator

Kate J. Campbell, Antje Steinfurth, Les G. Underhill, Janet C. Coetzee, Bruce M. Dyer, Katrin Ludynia, Azwianewi B. Makhado, Dagmar Merkle, Johan Rademan, Leshia Upfold & Richard B. Sherley
1. Understanding the functional relationship between marine predators and their prey is vital to inform ecosystem-based management. However, collecting concurrent data on predator behaviour and their prey at relevant scales is challenging. Moreover, opportunities to study these relationships in the absence of industrial fishing are extremely rare. 2. We took advantage of an experimental fisheries closure to study how local prey abundance influences foraging success and chick condition of Endangered African penguins Spheniscus demersus in...

Data from: Maasai pastoralists kill lions in retaliation for depredation of livestock by lions

Enoch M. Ontiri, Martin Odino, Antony Kasanga, Paula Kahumbu, Lance W. Robinson, Tom Currie & Dave J. Hodgson
The borders of national parks in Kenya are hotspots for human–wildlife conflict. The deliberate killing of lions by Maasai pastoralists is illegal, but continues despite mitigation attempts. Currently, there is a somewhat pervasive opinion, within the human–wildlife conflict literature, that lions are killed by Maasai people either as cultural ceremony or indiscriminately in response to the loss of livestock. We reconsider the indiscriminate reputation of lion‐killing, using a combination of structured dialogue and quantitative analysis....

Data from: Sex-specific effects of fisheries and climate on the demography of sexually dimorphic seabirds

Dimas Gianuca, Stephen C. Votier, Deborah Pardo, Andrew G. Wood, Richard B. Sherley, Louise Ireland, Remi Choquet, Roger Pradel, Stuart Townley, Jaume Forcada, Geoffrey N. Tuck & Richard A. Phillips
1. Many animal taxa exhibit sex-specific variation in ecological traits, such as foraging and distribution. These differences could result in sex-specific responses to change, but such demographic effects are poorly understood. 2. Here we test for sex-specific differences in the demography of northern (NGP, Macronectes halli) and southern (SGP, M. giganteus) giant petrels - strongly sexually size-dimorphic birds that breed sympatrically at South Georgia, South Atlantic Ocean. Both species feed at sea or on carrion...

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;...

Data from \"Evolutionary diversity is associated with wood productivity in Amazonian forests\" Coelho de Souza et al., 2019 Nature Ecology and Evolution

Fernanda Coelho de Souza, Kyler Dexter, Oliver Phillips, Toby Pennington, Danilo Neves, Martin Sullivan, Esteban Álvarez-Dávila, Atila Alves, Ieda Amaral, Ana Andrade, Luis Aragao, Alejandro Araujo-Murakami, Eric Arets, Luzmilla Arroyo, Gerardo Aymard, Olaf Banki, Christopher Baraloto, Jorcely Barroso, Rene Boot, Roel Brienen, Foster Brown, José Luís Camargo, Wendeson Castro, Jerome Chave &

Data from: Unscrambling variation in avian eggshell colour and patterning in a continent-wide study

Kiara L. L'Herpiniere, Louis G. O'Neill, Andrew F. Russell, Daisy E. Duursma & Simon C. Griffith
The evolutionary drivers underlying marked variation in the pigmentation of eggs within many avian species remains unclear. The leading hypotheses proposed to explain such variation advocate the roles of genetic differences, signalling and/or structural integrity. One means of testing amongst these hypotheses is to capitalise on museum collections of eggs obtained throughout a broad geographic range of a species to ensure sufficient variation in predictors pertaining to each hypothesis. Here we measured colouration and patterning...

Data from: Acid-base physiology over tidal periods in the mussel Mytilus edulis: size and temperature are more influential than seawater pH

Stephanie Mangan, Rod W. Wilson, Helen S. Findlay & Ceri Lewis
Ocean acidification (OA) studies to date have typically used stable open-ocean pH and CO2 values to predict the physiological responses of intertidal species to future climate scenarios, with few studies accounting for natural fluctuations of abiotic conditions or the alternating periods of emersion and immersion routinely experienced during tidal cycles. Here, we determine seawater carbonate chemistry and the corresponding in situ haemolymph acid-base responses over real time for two populations of mussel (Mytilus edulis) during...

Contrasting impacts of a novel specialist vector on multi-host viral pathogen epidemiology in wild and managed bees

Robyn Manley, Ben Temperton, Mike Boots & Wilfert Lena
Typically pathogens infect multiple host species. Such multi-host pathogens can show considerable variation in their degree of infection and transmission specificity, which has important implications for potential disease emergence. Transmission of multi-host pathogens can be driven by key host species and changes in such transmission networks can lead to disease emergence. We study two viruses that show contrasting patterns of prevalence and specificity in managed honeybees and wild bumblebees, black queen cell virus (BQCV) and...

Data from: Local interactions and their group-level consequences in flocking jackdaws

Hangjian Ling, Guillam E. McIvor, Kasper Van Der Vaart, Richard T. Vaughan, Alex Thornton & Nicholas T. Ouellette
As one of nature’s most striking examples of collective behaviour, bird flocks have attracted extensive research. However, we still lack an understanding of the attractive and repulsive forces that govern interactions between individuals within flocks and how these forces influence neighbours’ relative positions and ultimately determine the shape of flocks. We address these issues by analysing the three-dimensional movements of wild jackdaws (Corvus monedula) in flocks containing 2 to 338 individuals. We quantify the social...

Data from: The effect of bacterial mutation rate on the evolution of CRISPR-Cas adaptive immunity

Anne Chevallereau, Sean Meaden, Stineke Van Houte, Edze R. Westra & Clare Rollie
CRISPR-Cas immune systems are present in around half of bacterial genomes. Given the specificity and adaptability of this immune mechanism, it is perhaps surprising that they are not more widespread. Recent insights into the requirement for specific host factors for the function of some CRISPR-Cas subtypes, as well as the negative epistasis between CRISPR-Cas and other host genes, have shed light on potential reasons for the partial distribution of this immune strategy in bacteria. In...

Life history of a wild field cricket population (Gryllus campestris) in North Spain (2006 to 2016)

R. Rodriguez-Munoz & T. Tregenza
Data comprise monitoring records of a population of Gryllus campestris, a flightless, univoltine field cricket that lives in and around burrows excavated among the grass in a meadow in Asturias (North Spain). The area has an altitude range from around 60 to 270 metres above sea level. Data include basic traits, behavioural data, genotypes and pheromones. Data were collected from 2006 to 2016.

Actuarial and phenotypic senescence in a wild field cricket (Gryllus campestris) population in North Spain (2006 to 2016)

R. Rodriguez-Munoz & T. Tregenza
Data comprise monitoring records of a population of Gryllus campestris, a flightless, univoltine field cricket that lives in and around burrows excavated among the grass in a meadow in Asturias (North Spain). The area has an altitude range from around 60 to 270 metres above sea level. The data include birth and death days, age at capture, air temperature and calling activity. Data were collected from 2006 to 2016.

Registration Year

  • 2019
    45

Resource Types

  • Dataset
    45

Affiliations

  • University of Exeter
    44
  • University of Birmingham
    4
  • University of Brighton
    4
  • University of Hull
    4
  • University of Edinburgh
    3
  • Centre for Ecology & Hydrology
    2
  • University of Glasgow
    2
  • University of Aberdeen
    2
  • University of California, Berkeley
    2
  • University of Leeds
    2