Jaco Le Roux

Associate Professor

  • 1996 Citations
  • 22 h-Index
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Personal profile


I joined Macquarie University’s Department of Biological Sciences in July 2018. I am an evolutionary biologist and molecular ecologist. My background is in botany, microbiology, population genetics, and phylogeography. My research is focused under three broad themes: the population dynamics of invasive species, plant evolutionary biology and biogeography, and plant-microbial interactions. I am specifically interested in understanding aspects related to the phylogeography and population genetic structure and diversity of invasive plants, extreme long-distance dispersal in explaining historically disjunct distributions, the dynamics of plant-bacterial interaction networks, soil microbial community diversity and functional responses to plant community compositional changes, and plant evolutionary biology. 

Education/Academic qualification

Botany, PhD, University of Hawaii at Manoa

Microbiology, MSc, University of Pretoria

Microbiology, BSc(Hons), University of Pretoria

Microbiology, BSc, University of Pretoria

External positions

Extraordinary Associate Professor, Stellenbosch University

1 Jul 2018 → …

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South Africa Agriculture & Biology
Acacia Agriculture & Biology
invasive species Agriculture & Biology
Acacia dealbata Agriculture & Biology
genetic structure Earth & Environmental Sciences
colonizing ability Agriculture & Biology
history Agriculture & Biology
Acacia saligna Agriculture & Biology

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Research Outputs 2006 2020

  • 1996 Citations
  • 22 h-Index
  • 64 Article
  • 9 Review article
  • 1 Editorial
  • 1 Letter

No evidence for novel weapons: biochemical recognition modulates early ontogenetic processes in native species and invasive acacias

Yannelli, F. A., Novoa, A., Lorenzo, P., Rodríguez, J. & Le Roux, J. J., Feb 2020, In : Biological invasions. 22, 2, p. 549-562 14 p.

Research output: Contribution to journalArticleResearchpeer-review

native species
indigenous species
South Africa

Using stable isotope analysis to answer fundamental questions in invasion ecology: progress and prospects

McCue, M. D., Javal, M., Clusella-Trullas, S., Le Roux, J. J., Jackson, M. C., Ellis, A. G., Richardson, D. M., Valentine, A. J. & Terblanche, J. S., Feb 2020, In : Methods in Ecology and Evolution. 11, 2, p. 196-214 19 p.

Research output: Contribution to journalReview articleResearchpeer-review

stable isotopes
stable isotope
nutrient use

Botryosphaeriaceae associated with Acacia heterophylla (La Réunion) and Acacia koa (Hawaii)

Jami, F., Marincowitz, S., Slippers, B., Crous, P. W., Le Roux, J. J., Richardson, D. M. & Wingfield, M. J., Nov 2019, In : Fungal Biology. 123, 11, p. 783-790 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Acacia koa

Characteristics of the soil seed bank of invasive and non-invasive plants in their native and alien distribution range

Gioria, M., Le Roux, J. J., Hirsch, H., Moravcová, L. & Pyšek, P., Jul 2019, In : Biological Invasions. 21, 7, p. 2313–2332 20 p.

Research output: Contribution to journalArticleResearchpeer-review

seed bank
buried seeds
invasive species
seed productivity

Cointroductions of Australian acacias and their rhizobial mutualists in the Southern Hemisphere

Warrington, S., Ellis, A., Novoa, A., Wandrag, E. M., Hulme, P. E., Duncan, R. P., Valentine, A. & Le Roux, J. J., Jul 2019, In : Journal of Biogeography. 46, 7, p. 1519-1531 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Southern Hemisphere