Affiliate Associate Professor of School of Agriculture and Food Sustainability
School of Agriculture and Food Sustainability
Faculty of Science
Associate Professor in Env Science
School of the Environment
Faculty of Science
Availability:
Available for supervision
Paul Dennis leads an exciting research group that applies cutting-edge technologies to understand the roles of microorganisms and their responses to environmental change.
He is also a passionate educator and public speaker who advocates for the importance of biological diversity and evidence-based environmental awareness. He has talked about his research on ABC Radio and a range of other media outlets.
His teaching covers aspects of ecology, microbiology, plant and soil science, and climatology. He considers these topics to be of fundamental importance for the development of more sustainable societies and takes pride in helping others to obtain the knowledge and skills they need to build a better future.
Paul's research has taken him to Antarctica, the Amazon Rainforest, high mountains and oceans. The approaches used in his lab draw on a wide range of expertise in molecular biology, ecology, statistics, computer science, advanced imaging and soil science. He applies these skills to a wide-range of topics and systems including plant-microbe interactions, Antarctic marine and terrestrial ecology, biogeography, pollution and human health.
Nature-based rehabilitation science and technology, with a focus on ecological engineering of mine wastes (e.g., AMD-waste rocks, tailings (coal tailings, magnetite tailings, bauxite residues (or red mud), Cu/Pb-Zn tailings)) into earth materials (e.g., soil, engineered rocks) and resilient landforms for cost-effective sustainable rehabilitation at mine waste landscapes.
Professor Huang is a full professor and the group leader of Ecological Engineering in Mining, in the Sustainable Minerals Institute, University of Queensland. Since 2010, Prof Huang has pioneered new concepts and technological framework to manage and rehabilitate mine wastes (e.g., tailings, acidic and metalliferous waste rocks), through putting pedogenesis in engineering nutshell, i.e., eco-engineering of pedogenesis in mine wastes. He is leading an industry-enaged and interdisciplinary research group that is partnered with leading mining companies and empowered by multidisciplinary knowledge and skills on: environmental molecular microbiology, environmental mineralogy, soil science, native plant rhizosphere (micro)biology, soil-plant relations, and bio-chemical engineering of environmental materials (e.g., functional carbon and mineral absorbents, environmental geopolymers).
He is highly experienced in industry-partnered research and translation of knowledge into field-based technologies for tackling large environmental challenges in the mining industry, for example, technologies for tackling global tailings problem. Since 2010, he has led many large and industry-partnered research projects attracting about $21M funding. The research aims to deliver transformative knowledge and practices (i.e., technologies/methdologies) in the rehabilitation of mine wastes (e.g., tailings, mineral residues, spoils, waste rocks) and mined landscapes for non-polluting and ecologically and financially sustainable outcomes. Prof Huang has successfully demonstrated innovative methodology and technology to achieve nature-based outcomes in treating and rehabilitating tailings and waste rocks. Prof Huang’s research program was featured in Rio Tinto’s media releases as one of the four most successful global R&D partnerships in 2024. Prof Huang led the development of the first field-feasible technology to treat and dealkalize alkaline bauxite residues for sustainable rehabilitation. His industry-partnered research was recognised in 2019 UQ’s Partners in Research Excellence Award (Resilient Environments) (Rio Tinto and QAL). Prof Huang is also developing new knowledge and technologies for achieving non-polluting and ecologically sustainable rehabilitation of, for example, coal mine spoils and tailings, Fe-ore tailings, bauxite tailings (from mining bauxite), and Cu/Pb-Zn tailings.
Membership of Board, Committee and Society
Professional associations and societies
2010 – Present Australian Soil Science Society.
2023 – Present AuSIMM
2015 – Present American Society of Mining and Reclamation (ASMR)
Editorial boards/services
2025 - present: Member of Editorial Board, Energy & Environment Nexus
Faculty of Engineering, Architecture and Information Technology
Availability:
Available for supervision
Dr. Shaygan is a soil scientist who works on multidisciplinary projects. She obtained both her BSc and MSc degrees in Agronomy from the University of Tehran, followed by a Master of Environmental Management from the University of Queensland. Dr. Shaygan completed her PhD in Soil Science at the University of Queensland. Prior to joining SMI in 2017, she worked with the NSW Department of Primary Industries.
Dr. Shaygan's research focuses on the rehabilitation of degraded landscapes and mine sites, mine cover design, quantification and modelling of water flow, solute and nutrient transport in porous media, soil erosion, characterization of soil hydrological and mechanical properties, and soil salinity management. In addition, she investigates the integration of biofuel crops into mine closure strategies, with a particular focus on the use of Pongamia trees for land rehabilitation, carbon sequestration, and biofuel production.
Her research interests include but are not limited to: (i) salinity management, (ii) land rehabilitation, (iii) water flow and solute/nutrient transport in porous media, (iv) erosion processes, (v) Pongamia tree growth and responses to different environmental conditions, and (vi) soil hydrological modelling.
Since joining SMI, Dr. Shaygan has secured over $3.8 million in grant funding, including more than $1 million as Lead Chief Investigator (Lead CI). Her research projects have been supported by the mining industry (e.g., Stanmore Resources and Anglo American), the Queensland Government, and the Australian Coal Association Research Program (ACARP).
