5 Works

Data from: Do differences in food web structure between organic and conventional farms affect the ecosystem service of pest control?

Sarina Macfadyen, Rachel Gibson, Andrew Polaszek, Rebecca J. Morris, Paul G. Craze, Robert Planqué, William O.C. Symondson & Jane Memmott
While many studies have demonstrated that organic farms support greater levels of biodiversity, it is not known whether this translates into better provision of ecosystem services. Here we use a food-web approach to analyse the community structure and function at the whole-farm scale. Quantitative food webs from 10 replicate pairs of organic and conventional farms showed that organic farms have significantly more species at three trophic levels (plant, herbivore and parasitoid) and significantly different network...

Data from: Fifty thousand years of arctic vegetation and megafaunal diet

Eske Willerslev, John Davison, Mari Moora, Martin Zobel, Eric Coissac, Mary E. Edwards, Eline D. Lorenzen, Mette Vestergård, Galina Gussarova, James Haile, Joseph Craine, Gaddy Bergmann, Ludovic Gielly, Sanne Boessenkool, Laura S. Epp, Peter B. Pearman, Rachid Cheddadi, David Murray, Karri Anne Bråthen, Nigel Yoccoz, Heather Binney, Corinne Cruaud, Patrick Wincker, Tomasz Goslar, Inger Greve Alsos … & Pierre Taberlet
Although it is generally agreed that the arctic flora is among the youngest and least diverse on Earth, the processes that shaped it are poorly understood. Here we present 50 thousand years (kyr) of arctic vegetation history, derived from the first large-scale ancient DNA metabarcoding study of circumpolar plant diversity. For this interval we additionally explore nematode diversity as a proxy for modelling vegetation cover and soil quality, and diets of herbivorous megafaunal mammals, many...

Data from: The assessment of science: the relative merits of post-publication review, the impact factor and the number of citations

Adam Eyre-Walker & Nina Stoletzki
Background: The assessment of scientific publications is an integral part of the scientific process. Here we investigate three methods of assessing the merit of a scientific paper: subjective post-publication peer review, the number of citations gained by a paper and the impact factor of the journal in which the article was published. Methodology/principle findings: We investigate these methods using two datasets in which subjective post-publication assessments of scientific publications have been made by experts. We...

Data from: Causes of male sexual trait divergence in introduced populations of guppies

Anna K. Lindholm, Megan L. Head, Robert C. Brooks, Lee A. Rollins, Fiona C. Ingleby & Susanne R. K. Zajitschek
Males from different populations of the same species often differ in their sexually selected traits. Variation in sexually selected traits can be attributed to sexual selection if phenotypic divergence matches the direction of sexual selection gradients among populations. However, phenotypic divergence of sexually selected traits may also be influenced by other factors, such as natural selection and genetic constraints. Here, we document differences in male sexual traits among six introduced Australian populations of guppies and...

Data from: A carbohydrate-rich diet increases social immunity in ants

Adam D. Kay, Abbie J. Bruning, Andy Van Alst, Tyler T. Abrahamson, William O. H. Hughes & Michael Kaspari
Increased potential for disease transmission among nest-mates means living in groups has inherent costs. This increased potential is predicted to select for disease resistance mechanisms that are enhanced by cooperative exchanges among group members, a phenomenon known as social immunity. One potential mediator of social immunity is diet nutritional balance because traits underlying immunity can require different nutritional mixtures. Here, we show how dietary protein–carbohydrate balance affects social immunity in ants. When challenged with a...

Registration Year

  • 2013
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Resource Types

  • Dataset
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Affiliations

  • University of Sussex
    5
  • University of Adelaide
    1
  • VU University Amsterdam
    1
  • Atomic Energy and Alternative Energies Commission
    1
  • University of Wollongong
    1
  • The Arctic University of Norway
    1
  • Lund University
    1
  • University of Alberta
    1
  • Institut des Sciences de l'Evolution de Montpellier
    1
  • University of Southampton
    1