Lab members
Dr Christina Birnbaum, Group Leader
Email: Christina.Birnbaum@unisq.edu.au
Christina is a Senior Lecturer and an ecologist studying plant ecology and plant-microbe-soil interactions to inform invasive species management, restoration ecology and plant-microbial dynamics. Christina is a strong supporter of women and traditionally underrepresented groups in STEM and enjoys communicating science to wider audiences.
Jewan Ghalley, Master of Science (Agricultural Science) UniSQ (2025 - current)
(primary supervisor)
Email: u1170929@umail.usq.edu.au
Jewan will be studying Lantana camara industrial applications and uses.
Narges Ahmadi, Master of Science (Environment and Sustainability) UniSQ (2025 - current)
(primary supervisor)
Email: u1177968@umail.usq.edu.au
Narges will be studying soil–vegetation relationships in Australian eucalypt woodlands.
Ayla Heron, PhD candidate UniSQ (2025 - current)
(co-supervisor, primary supervisor A/Prof John Dearnaley, Jonathan Plett (UWS))
Email: ayla.heron@unisq.edu.au
Ayla will be studying symbiotic mycorrhizal fungi and their effects on plant health and disease resistance.
Sandra McEwan, PhD candidate QUT (2024 - current)
(co-supervisor, primary supervisor Dr Mark Bonner)
Email: sandra.mcewan@hdr.qut.edu.au
Sandie studies soil carbon dynamics in Northern Australia through the lens of microbial ecology. Her research integrates isotope ecology, soil science, and genomics to answer complex questions about carbon persistence.
Genavieve Jurd, Master by Research candidate UniSQ (2024 - current)
(Principal supervisor, co-supervisors Dr Kathryn Reardon-Smith, Dr Sofie De Meyer, Dr Jenny Bryce)
Email: Genavieve.Jurd@unisq.edu.au
Genavieve is interested in studying the fire intensity vs time-since fire effects on soil fungal and plant community diversity and post-fire recovery of Jarrah (Eucalyptus marginata) and Marri (Corymbia calophylla) forests of south-west Western Australia
Tabitha Wieden, Master by Research candidate UniSQ (2024 - current)
(Co-supervisor, principal supervisor Dr Jarrod Kath)
Email: Tabitha.Wieden@unisq.edu.au
Tabitha is interested in studying the impact of invasive plant species management on the diversity of bird species in riparian areas.
Fiona Stone, Master by Research candidate UniSQ (2024 - current, part-time)
(Principal supervisor, co-supervisor A/Prof John Dearnaley)
Email: Fiona.Stone@unisq.edu.au
Fiona is interested in studying dry rainforest plant and leaf fungal endophyte diversity in south-east Queensland, and implications for ecological restoration.
Peter Saguba, PhD candidate UniSQ (2023 - current)
(Principal supervisor, co-supervisor Dr Meg Edwards (UniSQ), Dr Patrick Pikacha (PAU) )
Email: peter.saguba@unisq.edu.au
Peter is interested in the effects of Southern Cassowary (Casuarius casuarius) exclusion on the reproductive traits, germination, growth, distribution and genetic variability of the cassowary plum (Cerbera inflata) in isolated forest patches in Pahoturi Area, Western Province, Papua New Guinea.
Meike Katharina Heuck, PhD candidate UWS ( 2022 - current)
(Co-supervisor, principal supervisor Dr Adam Frew (UWS))
Email: meikekatharina.heuck@usq.edu.au
Meike is passionate about food security in times of climate change. Her main research focus is on the interaction between arbuscular mycorrhizal fungi and plants to enable sustainable agriculture. She has extensive experience in ecosystem processes, biodiversity, and plant ecology.
Alumni
PhD students
2024 Anne Yusuf, PhD candidate, RMIT University (2021 - 2024), co-supervisor. Thesis "The Hydrology and Biogeochemistry of Australian and African Peatlands".
Masters and Honours students
2024 Nirajan Pokhrel, Master of Science (Agricultural Science) candidate UniSQ (2023 - 2024), principal supervisor. Thesis "Soil nematode richness and composition in Lantana camara infested sites in south-east Queensland".
2024 Kajalben Takhuji Chevada , Master of Science (Agricultural Science) candidate UniSQ (2023 - 2024), principal supervisor. Thesis "Lantana camara (L.) soil seed bank dynamics across contrasting ecosystems in south-east Queensland".
2022 Atalaya Ferrari, Honours student (1st Class Honours), RMIT University, co-supervisor. Thesis "Carbon dynamics in Victoria's Mountain Ash Forests: A new method for soil organic C estimation").
Undergraduate students
2025 Braden Willows, SCI3301 Independent Science Project, University of Southern Queensland
2022 Micheal Thouard, SCI3301 Independent Science Project, University of Southern Queensland
2022 Hannah Smith, SCI3301 Independent Science Project, University of Southern Queensland
2022 Lachlan Harvey, Undergraduate, Research Experience, RMIT University
2018 Helena Candaele, Undergraduate, Research Experience, Tulane University
2018 Caitlin Ducat, Undergraduate, Research Experience, Tulane University
2018 Abigail Mills, Undergraduate, Research Experience, Tulane University
2018 Sophia Frohberg, Undergraduate, Research Experience, Tulane University
2017 Danielle Kulick, Undergraduate, Independent Study, Tulane University
2017 Claire Willis, Undergraduate, Independent Study, Tulane University
2014 Aaron Brace, Undergraduate, Research Experience, Murdoch University
Research assistants
2025 Barsha Poudel (bioinformatics)
2025 Bree Wilson (AMF root colonization assessment)
2023-2024 Asfakun Siddika (molecular laboratory work)
2023 Akhila Dendi (glasshouse experiment)