Staff Profile:Dr James Ryalls

Name:

Dr James Ryalls

Job Title:

Research Fellow

Responsibilities:

Areas of Interest:

• Understanding the mechanisms driving invertebrate responses to changes in climate and atmospheric conditions
• Chemical ecology of plant-insect interactions
• Insect orientation behaviour and pollination ecology
• Air pollution impacts on the volatile compounds used by insects for communication
• Aboveground-belowground interactions between plants and insects

Current Projects:

The Leverhulme Trust Early Career Fellowship - The little things that run a polluted world: investigating the combined effects of diesel exhaust and ozone pollution on aboveground-belowground insect interactions (SAPD, University of Reading, 2021-2024).

Previous Projects:

• NERC Capital Call and UoR RETF Open Fund (postdoc) - Free Air Diesel and Ozone Enrichment (FADOE) platform construction (SAPD, University of Reading, 2019-2020).
• EIT Food (postdoc) - CleanFruit: Standardisation of innovative pest control strategies to produce zero-residue fruit (SAPD, University of Reading, 2019-2020).
• British Ecological Society Large Research Grant (awardee) - Does air pollution inhibit the recruitment of plant bodyguards? (SAPD, University of Reading, 2018-2020).
• NERC New Investigator Project (postdoc) - DOMINO: Degradation of Odour Signals by air pollution: chemical Mechanisms, plume dynamics and INsect Orientation behaviour (SAPD, University of Reading, 2018-2020).
• Australian Research Council (postdoc) - Get tough, get toxic or get a bodyguard - exploring the mechanisms of aboveground-belowground herbivory in grasses (Hawkesbury Institute for the Environment, Western Sydney University, 2016-2017).
• BES Small Research Project (awardee) - Silicon-based grass defences extend up the food chain (Hawkesbury Institute for the Environment, Western Sydney University, 2016).

Research groups / Centres:

Centre for Agri-Environmental Research

Publications:

Y

Jump to: 2021 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013

Number of items: 21.

2021

• Johnson, S. N. ORCID: https://orcid.org/0000-0002-8388-8345, Hartley, S. E., Ryalls, J. M. W. ORCID: https://orcid.org/0000-0003-2015-3605, Frew, A. ORCID: https://orcid.org/0000-0001-9859-2419 and Hall, C. R. (2021) Targeted plant defense: silicon conserves hormonal defense signaling impacting chewing but not fluid‐feeding herbivores. Ecology, 102 (3). e03250. ISSN 0012-9658 doi: https://doi.org/10.1002/ecy.3250

2019

• Johnson, S. N., Ryalls, J. M. W., Barton, C. V. M., Tjoelker, M. G., Wright, I. J. and Moore, B. D. (2019) Climate warming and plant biomechanical defences: silicon addition contributes to herbivore suppression in a pasture grass. Functional Ecology, 33 (4). pp. 587-596. ISSN 0269-8463 doi: https://doi.org/10.1111/1365-2435.13295
• Reitmayer, C. M., Ryalls, J. M. W., Farthing, E., Jackson, C. W., Girling, R. D. and Newman, T. A. (2019) Acute exposure to diesel exhaust induces central nervous system stress and altered learning and memory in honey bees. Scientific Reports, 9. 5793. ISSN 2045-2322 doi: https://doi.org/10.1038/s41598-019-41876-w

2018

• Kremer, J. M. M., Nooten, S. S., Cook, J. M., Ryalls, J. M. W., Barton, C. V. M. and Johnson, S. N. (2018) Elevated atmospheric carbon dioxide concentrations promote ant tending of aphids. Journal of Animal Ecology, 87 (5). pp. 1475-1483. ISSN 0021-8790 doi: https://doi.org/10.1111/1365-2656.12842
• Johnson, S. N., Glauser, G., Hiltpold, I., Moore, B. D. and Ryalls, J. M. W. (2018) Root herbivore performance suppressed when feeding on a jasmonate-induced pasture grass. Ecological Entomology, 43 (4). pp. 547-550. ISSN 0307-6946 doi: https://doi.org/10.1111/een.12527
• Ryalls, J. M. W., Moore, B. D., Johnson, S. N., Connor, M. and Hiltpold, I. (2018) Root responses to domestication, precipitation and silicification: weeping meadow grass simplifies and alters toughness. Plant and Soil, 427 (1-2). pp. 291-304. ISSN 0032-079X doi: https://doi.org/10.1007/s11104-018-3650-5
• Johnson, S. N., Lopaticki, G., Aslam, T. J., Barnett, K., Frew, A., Hartley, S. E., Hiltpold, I., Nielsen, U. N. and Ryalls, J. M. W. (2018) Dryland management regimes alter forest habitats and understory arthropod communities. Annals of Applied Biology, 172 (3). pp. 282-294. ISSN 0003-4746 doi: https://doi.org/10.1111/aab.12419
• Johnson, S. N., Ryalls, J. M. W., Gherlenda, A. N., Frew, A. and Hartley, S. E. (2018) Benefits from below: silicon supplementation maintains legume productivity under predicted climate change scenarios. Frontiers in Plant Science, 9. 202. ISSN 1664-462X doi: https://doi.org/10.3389/fpls.2018.00202
• Johnson, S. N., Crotty, F. V., Ryalls, J. M. W. and Murray, P. J. (2018) Belowground experimental approaches for exploring aboveground–belowground patterns. In: Aboveground–Belowground Community Ecology. Springer, pp. 19-46. ISBN 9783319916132 doi: https://doi.org/10.1007/978-3-319-91614-9_2
• Ryalls, J. M. W., Moore, B. D. and Johnson, S. N. (2018) Silicon uptake by a pasture grass experiencing simulated grazing is greatest under elevated precipitation. BMC Ecology, 18. 53. ISSN 1472-6785 doi: https://doi.org/10.1186/s12898-018-0208-6

2017

• Johnson, S. N., Hartley, S. E., Ryalls, J. M. W., Frew, A., DeGabriel, J. L., Duncan, M. and Gherlenda, A. N. (2017) Silicon-induced root nodulation and synthesis of essential amino acids in a legume is associated with higher herbivore abundance. Functional Ecology, 31 (10). pp. 1903-1909. ISSN 0269-8463 doi: https://doi.org/10.1111/1365-2435.12893
• Ryalls, J. M. W., Hartley, S. E. and Johnson, S. N. (2017) Impacts of silicon-based grass defences across trophic levels under both current and future atmospheric CO2 scenarios. Biology Letters, 13 (3). p. 20160912. ISSN 1744-957X doi: https://doi.org/10.1098/rsbl.2016.0912
• Johnson, S. N., Ryalls, J. M. W. and Staley, J. T. (2017) Impacts of atmospheric and precipitation change on aboveground-belowground invertebrate interactions. In: Johnson, S. N. and Jones, T. H. (eds.) Global Climate Change and Terrestrial Invertebrates. John Wiley & Sons, Ltd, Chichester, pp. 229-251. doi: https://doi.org/10.1002/9781119070894.ch12
• Ryalls, J. M. W., Moore, B. D., Riegler, M., Bromfield, L. M., Hall, A. A. G. and Johnson, S. N. (2017) Climate and atmospheric change impacts on sap-feeding herbivores: a mechanistic explanation based on functional groups of primary metabolites. Functional Ecology, 31. pp. 161-171. ISSN 0269-8463 doi: https://doi.org/10.1111/1365-2435.12715
• Ryalls, J. M. W. and Harrington, R. (2017) Climate and atmospheric change impacts on aphids as vectors of plant diseases. In: Johnson, S. N. and Jones, T. H. (eds.) Global Climate Change and Terrestrial Invertebrates. John Wiley & Sons, Ltd, Chichester, pp. 148-175. doi: https://doi.org/10.1002/9781119070894.ch9

2016

• Ryalls, J. M. W., Moore, B. D., Riegler, M. and Johnson, S. N. (2016) Above–belowground herbivore interactions in mixed plant communities are influenced by altered precipitation patterns. Frontiers in Plant Science, 7. 345. ISSN 1664-462X doi: https://doi.org/10.3389/fpls.2016.00345
• Johnson, S. N., Gherlenda, A. N., Frew, A. and Ryalls, J. M. W. (2016) The importance of testing multiple environmental factors in legume–insect research: replication, reviewers, and rebuttal. Frontiers in Plant Science, 7. 489. ISSN 1664-462X doi: https://doi.org/10.3389/fpls.2016.00489

2015

• Ryalls, J. M. W., Moore, B. D., Riegler, M., Gherlenda, A. N. and Johnson, S. N. (2015) Amino acid-mediated impacts of elevated carbon dioxide and simulated root herbivory on aphids are neutralized by increased air temperatures. Journal of Experimental Botany, 66 (2). pp. 613-623. ISSN 0022-0957 doi: https://doi.org/10.1093/jxb/eru439

2014

• Johnson, S. N., Ryalls, J. M. W. and Karley, A. J. (2014) Global climate change and crop resistance to aphids: contrasting responses of lucerne genotypes to elevated atmospheric carbon dioxide. Annals of Applied Biology, 165 (1). pp. 62-72. ISSN 0003-4746 doi: https://doi.org/10.1111/aab.12115

2013

• Ryalls, J. M. W., Riegler, M., Moore, B. D., Lopaticki, G. and Johnson, S. N. (2013) Effects of elevated temperature and CO2 on aboveground-belowground systems: a case study with plants, their mutualistic bacteria and root/shoot herbivores. Frontiers in Plant Science, 4. 445. ISSN 1664-462X doi: https://doi.org/10.3389/fpls.2013.00445
• Ryalls, J. M. W., Riegler, M., Moore, B. D. and Johnson, S. N. (2013) Biology and trophic interactions of lucerne aphids. Agricultural and Forest Entomology, 15 (4). pp. 335-350. ISSN 1461-9555 doi: https://doi.org/10.1111/afe.12024

This list was generated on Sat Dec 4 16:18:04 2021 UTC.

Career:

• 2021-date Research Fellow, SAPD, University of Reading, UK
• 2018-2020 Postdoctoral Researcher, SAPD, University of Reading, UK
• 2016-2017 Postdoctoral Researcher, Hawkesbury Institute for the Environment, Western Sydney University, Australia
• 2012-2016 PhD Student, Hawkesbury Institute for the Environment, Western Sydney University
• 2010-2011 Masters of Research (MRes), Cardiff University, Wales
• 2006-2010 BSc (Hons) Zoology (incl. Professional Training Year with The Dodwell Trust/Association Mitsinjo, Madagascar), Cardiff University, Wales