RESEARCH FOCUS: Global Climate Change

Investigating the impacts of global climate and atmospheric change on terrestrial invertebrates is one of our key research areas. We use a diverse array of platforms including EucFACE and DRI-Grass in addition to conventional glasshouses and cabinets.

Research highlights from the past year or so

Full publication list also available

Hiltpold, I., Moore, B.D. & Johnson, S.N. (2019) Elevated atmospheric carbon dioxide increases root architectural complexity and reduces the efficacy of entomopathogenic nematodes. Plant and Soil, Online early: doi.org/10.1007/s11104-019-04075-0

Johnson, S.N., Ryalls, J.M.W., Barton, C.V.M., Tjoelker, M.G., Wright, I.J. & Moore, B.D. (2019) Climate warming and plant biomechanical defences: silicon addition contributes to herbivore suppression in a pasture grass. Functional Ecology, 33, 587-596.

Barnett, K.L., Johnson, S.N. & Power, S.A. (2018) Drought negates growth stimulation due to root herbivory in pasture grasses. Oecologia, 188, 777-789.

 

Ryalls, J.M.W., Moore, B.D., Johnson, S.N., Conner, M. & Hiltpold, I. (2018) Root responses to domestication, precipitation and silicification: weeping meadow grass simplifies and alters toughness. Plant and Soil, 427, 291-304.

Johnson, S.N. & Züst, T. (2018) Climate change and insect pests: resistance isn't futile? Trends in Plant Science, 23, 367-369.

Ryalls, J.M.W., Moore, B.D., Johnson, S.N., Conner, M. & Hiltpold, I. (2018) Root responses to domestication, precipitation and silicification: weeping meadow grass simplifies and alters toughness. Plant and Soil, 427, 291-304

Kremer, J.M.M., Nooten, S.S., Cook, J., Ryalls, J.M.W., Barton, C.V.M. & Johnson, S.N. (2018) Elevated atmospheric carbon dioxide concentrations promote ant tending of aphids. Journal of Animal Ecology, 87, 1475-1483.

Johnson, S.N., Ryalls, J.M.W., Gherlenda, A., Frew, A., & Hartley, S. (2018) Benefits from below: silicon supplementation maintains legume productivity under predicted climate change scenarios. Frontiers in Plant Science, 9, 202.

Johnson, S.N. & Hartley, S.E. (2018) Elevated carbon dioxide and warming impact silicon and phenolic-based defences differently in native and exotic grasses. Global Change Biology, 24, 3886-3896.

Ryalls, J.M.W., Hartley, S.E. & Johnson, S.N. (2017) Impacts of silicon-based grass defences across trophic levels under both current and future atmospheric CO2 scenarios. Biology Letters, 13, 20160912.

 

Wade, R.N., Karley, A.J., Johnson, S.N. & Hartley, S.E. (2017) Impact of predicted precipitation scenarios on multitrophic interactions. Functional Ecology, 13, 1647-1658.

Hawkesbury Institute for the Environment (HIE) Western Sydney University

© 2019 Scott Johnson