411 Works

Training on dsRNA bio manufacturing and management of cowpea bruchid Callosobruchus maculatus on stored cowpea in Kano, Nigeria

Abou TOGOLA, Alison Nwokeoji & Boukar Ousmane
The proposed is a multidisciplinary project for development of a novel RNA-based crop protection strategy for managing cowpea pests. The RNA biopesticides have the potential for use in the management of a wide range of insect pests and pathogens but we will focus on the design and biomanufacturing of novel RNA based pesticides to target the cowpea pod borer (Maruca vitrata). Maruca vitrata Fabricius (Lepidoptera: Crambidae) the most damaging pest of cowpea at podding stage....

Modelled potential carbon storage based on land cover and published carbon storage values in urban landscapes of the South Midlands

D.R. Grafius, R. Corstanje & J. A. Harris
This dataset shows potential carbon storage as modelled for the urban areas of Milton Keynes/Newport Pagnell, Bedford, and Luton/Dunstable, UK. The modelling approach used the ‘InVEST (Integrated Valuation of Ecosystem Services and Trade-offs) 3.1.0’ ecosystem service model suite, raster land cover maps at two spatial resolutions (5 m and 25 m) and published literature values for carbon storage by land cover. The resulting data are presented in the form of two ‘GeoTIFF’ raster map files...

Arbuscular mycorrhizal fungi diversity data from a grassland microcosm experiment [NERC Soil Biodiversity Programme]

D. Johnson, P.J. Vandenkoornhuyse, J.R. Leake, L. Gilbert, , J.P Grime, J.P.W. Young & D.J. Read
These arbuscular mycorrhizal (AM) fungi diversity data were collected in 2000 as part of an investigation in an unfertilized limestone grassland soil supporting different synthesized vascular plant assemblages that had developed for three years. The experimental treatments comprised: bare soil; monocultures of the non mycotrophic sedge Carex flacca; monocultures of the mycotrophic grass Festuca ovina; and a species-rich mixture of four forbs, four grasses and four sedges. The experiment was undertaken in microcosms, set up...

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.

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.

Bird abundance and diversity data from Sheffield green spaces in summer 2018

R.W.F. Cameron, P. Brindley, J. Riley & J. Goodrick
The data records bird species and number in different green spaces within Sheffield City Region during June and July 2018. Activity of individual birds is also noted. Ten green spaces (parks) were surveyed on three occasions, with a researcher walking along six pre-designated line transects in each location. Birds were recorded by their common names and British Trust for Ornithology (BTO) code. Date and time were recorded for each observation. The data was collected as...

Data from: The bright incubate at night: sexual dichromatism and adaptive incubation division in an open-nesting shorebird

Kasun B. Ekanayake, Michael A. Weston, Dale G. Nimmo, Grainne S. Maguire, John A. Endler & Clemens Kupper
Ornamentation of parents poses a high risk for offspring because it reduces cryptic nest defence. Over a century ago, Wallace proposed that sexual dichromatism enhances crypsis of open-nesting females although subsequent studies found that dichromatism per se is not necessarily adaptive. We tested whether reduced female ornamentation in a sexually dichromatic species reduces the risk of clutch depredation and leads to adaptive parental roles in the red-capped plover Charadrius ruficapillus, a species with biparental incubation....

Data from: C4 savanna grasses fail to maintain assimilation in drying soil under low CO2 compared with C3 trees despite lower leaf water demand

Joe Quirk, Chandra Bellasio, David A. Johnson, Colin P. Osborne & David J. Beerling
1) C4 photosynthesis evolved when grasses migrated out of contracting forests under a declining atmospheric CO2 concentration ([CO2]a) and drying climate around 30 million years ago. C4 grasses are hypothesised to benefit from improved plant–water relations in open habitats like savannas, giving advantages over C3 plants under low [CO2]a. But experimental evidence in a low CO2 environment is limited and comparisons with C3 trees are needed to understand savanna vegetation patterns. 2) To test whether...

Data from: Human-facilitated metapopulation dynamics in an emerging pest species, Cimex lectularius

Toby Fountain, Gavin Horsburgh, Ludovic Duvaux, Klaus Reinhardt & Roger K. Butlin
The number and demographic history of colonists can have dramatic consequences for the way in which genetic diversity is distributed and maintained in a metapopulation. The bed bug (Cimex lectularius) is a re-emerging pest species whose close association with humans has led to frequent local extinction and colonisation, i.e. to metapopulation dynamics. Pest control limits the lifespan of sub-populations, causing frequent local extinctions, and human-facilitated dispersal allows the colonisation of empty patches. Founder events often...

Data from: Stabilising survival selection on pre-senescent expression of a sexual ornament followed by a terminal decline

Mirre Simons, Michael Briga, Simon Verhulst & M. J. P. Simons
Senescence is a decrease in functional capacity, increasing mortality rate with age. Sexual signals indicate functional capacity, because costs of ornamentation ensure signal honesty, and are therefore expected to senesce, tracking physiological deterioration and mortality. For sexual traits, mixed associations with age and positive associations with life expectancy have been reported. However, whether these associations are caused by selective disappearance and/or within-individual senescence of sexual signals, respectively, is not known. We previously reported that zebra...

Data from: Scale-dependent effects of landscape variables on gene flow and population structure in bats

Orly Razgour, Hugo Rebelo, Sébastien J. Puechmaille, Javier Juste, Carlos Ibáñez, Andreas Kiefer, Terry Burke, Deborah A. Dawson & Gareth Jones
Aim: A common pattern in biogeography is the scale-dependent effect of environmental variables on the spatial distribution of species. We tested the role of climatic and land cover variables in structuring the distribution of genetic variation in the grey long-eared bat, Plecotus austriacus, across spatial scales. Although landscape genetics has been widely used to describe spatial patterns of gene flow in a variety of taxa, volant animals have generally been neglected because of their perceived...

Data from: Does sex matter? Gender-specific responses to forest fragmentation in Neotropical bats

Ricardo Rocha, Diogo F. Ferreira, Adrià López-Baucells, Fabio Z. Farneda, Joao M.B. Carreiras, Jorge M. Palmeirim & Christoph F. J. Meyer
Understanding the consequences of habitat modification on wildlife communities is central to the development of conservation strategies. However, albeit male and female individuals of numerous species are known to exhibit differences in habitat use, sex-specific responses to habitat modification remain little explored. Here, we used a landscape-scale fragmentation experiment to assess, separately for males and females, the effects of fragmentation on the abundance of Carollia perspicillata and Rhinophylla pumilio, two widespread Neotropical frugivorous bats. We...

Data from: Determinants of flammability in savanna grass species

Kimberley J. Simpson, Brad S. Ripley, Pascal-Antione Christin, Claire M. Belcher, Caroline E. R. Lehmann, Gavin H. Thomas, Colin P. Osborne & Pascal-Antoine Christin
1. Tropical grasses fuel the majority of fires on Earth. In fire-prone landscapes, enhanced flammability may be adaptive for grasses via the maintenance of an open canopy and an increase in spatiotemporal opportunities for recruitment and regeneration. In addition, by burning intensely but briefly, high flammability may protect resprouting buds from lethal temperatures. Despite these potential benefits of high flammability to fire-prone grasses, variation in flammability among grass species, and how trait differences underpin this...

Data from: The genetic structure of Nautilus pompilius populations surrounding Australia and the Philippines

Rachel C. Williams, Benjamin C. Jackson, Ludovic Duvaux, Deborah A. Dawson, Terry Burke & William Sinclair
Understanding the distribution of genetic diversity in exploited species is fundamental to successful conservation. Genetic structure and the degree of gene flow among populations must be assessed to design appropriate strategies to prevent the loss of distinct populations. The cephalopod Nautilus pompilius is fished unsustainably in the Philippines for the ornamental shell trade and has limited legislative protection, despite the species' recent dramatic decline in the region. Here, we use 14 microsatellite markers to evaluate...

Data from: The impact of translocations on neutral and functional genetic diversity within and among populations of the Seychelles warbler

David J. Wright, Lewis G. Spurgin, Nigel J. Collar, Jan Komdeur, Terry Burke & David S. Richardson
Translocations are an increasingly common tool in conservation. The maintenance of genetic diversity through translocation is critical for both the short and long term persistence of populations and species. However, the relative spatio-temporal impacts of translocations on neutral and functional genetic diversity and how this affects genetic structure among the conserved populations overall has received little investigation. We compared the impact of translocating different numbers of founders on both microsatellite and major histocompatibility complex (MHC)...

Data from: Testing an hypothesis of hybrid zone movement for toads in France

Isolde Van Riemsdijk, Roger K. Butlin, Ben Wielstra, Jan W. Arntzen & Isolde Riemsdijk
Hybrid zone movement may result in substantial unidirectional introgression of selectively neutral material from the local to the advancing species, leaving a genetic footprint. This genetic footprint is represented by a trail of asymmetric tails and displaced cline centres in the wake of the moving hybrid zone. A peak of admixture linkage disequilibrium is predicted to exist ahead of the centre of the moving hybrid zone. We test these predictions of the movement hypothesis in...

Data from: Increased survival of experimentally evolved antimicrobial peptide-resistant Staphylococcus aureus in an animal host

Adam J. Dobson, Joanne Purves & Jens Rolff
Antimicrobial peptides (AMPs) have been proposed as new class of antimicrobial drugs, following the increasing prevalence of bacteria resistant to antibiotics. Synthetic AMPs are functional analogues of highly evolutionarily conserved immune effectors in animals and plants, produced in response to microbial infection. Therefore, the proposed therapeutic use of AMPs bears the risk of ‘arming the enemy’: bacteria that evolve resistance to AMPs may be cross-resistant to immune effectors (AMPs) in their hosts. We used a...

Data from: The genetic architecture of hybrid incompatibilities and their effect on barriers to introgression in secondary contact

Dorothea Lindtke & C. Alex Buerkle
Genetic incompatibilities are an important component of reproductive isolation. Although theoretical studies have addressed their evolution, little is known about their maintenance when challenged by potentially high migration rates in secondary contact. Whereas theory predicts that recombination can erode barriers, many empirical systems have been found to retain species-specific differences despite substantial gene flow. By simulating whole genomes in individuals of hybridizing species, we find that the genetic architecture of two contrasting models of epistatic...

Data from: Costly infidelity: low lifetime fitness of extra-pair offspring in a passerine bird

Yu-Hsun Hsu, Julia Schroeder, Isabel Winney, Terry A. Burke, Shinichi Nakagawa & Terry Burke
Extra-pair copulation (EPC) is widespread in socially monogamous species, but its evolutionary benefits remain controversial. Indirect genetic benefit hypotheses postulate that females engage in EPC to produce higher quality extra-pair offspring (EPO) than within-pair offspring (WPO). In contrast, the sexual conflict hypothesis posits that EPC is beneficial to males but not to females. Thus, under the sexual conflict hypothesis, EPO are predicted to be no fitter than WPO. We tested these two hypotheses with a...

Data from: Comparative phylogeography reveals a shared impact of Pleistocene environmental change in shaping genetic diversity within nine Anopheles mosquito species across the Indo-Burma biodiversity hotspot

Katy Morgan, Samantha M. O’Loughlin, Bin Chen, Yvonne-Marie Linton, Damrongpan Thongwat, Pradya Somboon, Mun Yik Fong, Roger Butlin, Robert Verity, Anil Prakash, Thaung Hlaing, Simone Nambanya, Duong Socheat, Trung Ho Dinh & Catherine Walton
Southeast Asia is one of the world’s richest regions in terms of biodiversity. An understanding of the distribution of diversity and the factors shaping it is lacking, yet essential for identifying conservation priorities for the region’s highly threatened biodiversity. Here we take a large scale comparative approach, combining data from nine forest associated Anopheles mosquito species and using statistical phylogeographic methods to disentangle the effects of environmental history, species specific ecology, and random coalescent effects....

Data from: Defining conservation units with enhanced molecular tools to reveal fine scale structuring among Mediterranean green turtle rookeries

Phil J. Bradshaw, Annette C. Broderick, Carlos Carreras, Wayne Fuller, Robin T.E. Snape, Lucy I. Wright, Brendan J. Godley, A.C. Broderick, R.T.E. Snape, B.J. Godley, P.J. Bradshaw & L.I. Wright
Understanding the connectivity among populations is a key research priority for species of conservation concern. Genetic tools are widely used for this purpose, but the results can be limited by the resolution of the genetic markers in relation to the species and geographic scale. Here, we investigate natal philopatry in green turtles (Chelonia mydas) from four rookeries within close geographic proximity (~ 200km) on the Mediterranean island of Cyprus. We genotyped hypervariable mtSTRs, a mtDNA...

Data from: Two distinct genomic regions, harbouring the period and fruitless genes, affect male courtship song in Drosophila montana

Malgorzata Lagisz, Shuo-Yang Wen, Jarkko Routtu, Kirsten Klappert, Dominique Mazzi, Ramiro Morales-Hojas, Jorge Vieira, Anneli Hoikkala, Michael G. Ritchie, Roger K. Butlin, Martin A Schäfer & S-Y Wen
Acoustic signals often play a significant role in pair formation and in species recognition. Determining the genetic basis of signal divergence will help to understand signal evolution by sexual selection and its role in the speciation process. An earlier study investigated QTL for male courtship song carrier frequency in Drosophila montana using microsatellite markers. We refined this study by adding to the linkage map markers for ten candidate genes known to affect song production in...

Data from: The influence of nonrandom extra-pair paternity on heritability estimates derived from wild pedigrees

Josh A. Firth, Jarrod D. Hadfield, Anna W. Santure, Jon Slate & Ben C. Sheldon
Quantitative genetic analysis is often fundamental for understanding evolutionary processes in wild populations. Avian populations provide a model system due to the relative ease of inferring relatedness amongst individuals through observation. However, extra-pair paternity (EPP) creates erroneous links within the social pedigree. Previous work has suggested this causes minor underestimation of heritability if paternal misassignment is random and hence not influenced by the trait being studied. Nevertheless, much literature suggests numerous traits are associated with...

Data from: Reduced fitness in progeny from old parents in a natural population

Julia Schroeder, Shinichi Nakagawa, Mark Rees, Maria-Elena Mannarelli & Terry Burke
A nongenetic, transgenerational effect of parental age on offspring fitness has been described in many taxa in the laboratory. Such a transgenerational fitness effect will have important influences on population dynamics, population age structure, and the evolution of aging and lifespan. However, effects of parental age on offspring lifetime fitness have never been demonstrated in a natural population. We show that parental age has sex-specific negative effects on lifetime fitness, using data from a pedigreed...

Data from: Spatial heterogeneity lowers rather than increases host-parasite specialization

Elze Hesse, Alex Best, Michael Boots, Alex R. Hall & Angus Buckling
Abiotic environmental heterogeneity can promote the evolution of diverse resource specialists, which in turn may increase the degree of host-parasite specialization. We coevolved Pseudomonas fluorescens and lytic phage ϕ2 in spatially structured populations, each consisting of two interconnected subpopulations evolving in the same or different nutrient media (homogeneous and heterogeneous environments, respectively). Counter to the normal expectation, host-parasite specialization was significantly lower in heterogeneous compared with homogeneous environments. This result could not be explained by...

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  • University of Sheffield
  • University of Oxford
  • University of Exeter
  • University of Groningen
  • University of East Anglia
  • University of Edinburgh
  • University of Gothenburg
  • University of Leeds
  • University of Cambridge
  • Max Planck Institute for Ornithology