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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

University of Hawaii at Manoa

Award Date: 7 Dec 2007

University of Pretoria

Award Date: 5 Dec 2003

University of Pretoria

Award Date: 7 Dec 2001

University of Pretoria

Award Date: 3 Dec 1999

External positions

Extraordinary Associate Professor

1 Jul 2018 → …

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Research Output

Plant biodiversity in the face of global change

Le Roux, J. J., Leishman, M. R., Cinantya, A. P., Gufu, G. D., Hirsch, H., Keet, J-H., Manea, A., Saul, W-C., Tabassum, S., Warrington, S., Yannelli, F. A. & Ossola, A., 4 May 2020, In : Current Biology. 30, 9, p. R390-R391 2 p.

Macquarie University

Research output: Contribution to journalLetterResearch

  • The functional potential of the rhizospheric microbiome of an invasive tree species, Acacia dealbata

    Kamutando, C. N., Vikram, S., Kamgan-Nkuekam, G., Makhalanyane, T. P., Greve, M., Le Roux, J. J., Richardson, D. M., Cowan, D. A. & Valverde, A., Jan 2019, In : Microbial Ecology. 77, 1, p. 191–200 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  • Ecological disequilibrium drives insect pest and pathogen accumulation in non-native trees

    Crous, C. J., Burgess, T. I., Le Roux, J. J., Richardson, D. M., Slippers, B. & Wingfield, M. J., 1 Jan 2017, In : AoB PLANTS. 9, 1, p. 1-16 16 p., plw081.

    Research output: Contribution to journalReview articleResearchpeer-review

    Open Access
  • Modelling horses for novel climate courses: insights from projecting potential distributions of native and alien Australian acacias with correlative and mechanistic models

    Webber, B. L., Yates, C. J., Le Maitre, D. C., Scott, J. K., Kriticos, D. J., Ota, N., Mcneill, A., Le Roux, J. J. & Midgley, G. F., Sep 2011, In : Diversity and Distributions. 17, 5, p. 978-1000 23 p.

    Research output: Contribution to journalArticleResearchpeer-review