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Dr Ehsan Tavakkoli
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I completed a BSc degree in Soil Science at Ferdowsi University of Mashhad, Iran and then continued with postgraduate studies in Australia where I completed a first-class MSc degree in soil chemistry and plant nutrition at University of New England, Armidale and a PhD degree at the University of Adelaide. My research activities span a wide range of aims and methods that require a multidisciplinary approach. My specific research interests include:
· Chemistry of alkaline soils with a focus on soil organic carbon storage and crop productivity
· Risk assessment and ecotoxicity of manufactured nanoparticles
· Colloidal facilitated transport of organic and inorganic contaminants
· Physiology of crops in response to abiotic stress combination
· Synchrotron-based techniques to elucidate nutrient uptake and metabolism in plants
I’m also expanding my research in the field of molecular-scale studies of environmental science problems because of the need for fundamental information about the speciation or chemical form of environmental pollutants and the basic chemical and biological processes determining their behaviour and effects on human health. Since most soils suffer from one or more nutritional problems (deficiency and/or toxicity), this subject is of considerable importance for two of the great challenges confronting humanity: how to sustainably support over 6.5 billion people (increasing to around 9 billion in 2050), and how to deal with global environmental change.
Student research opportunities. These include research in the areas of:
Carbon chemistry in agricultural soils
Whole plant physiology in response to combined abiotic stresses
Improved understanding of subsoil constraints (acidity, high pH, Al toxicity, salinity, sodicity)
Ecotoxicity studies of manufactured nanoparticles
Spectroscopic analysis of contaminated plant/soil systems
Analytical methodologies for environmental soil chemistry.
Please contact me for further details.
BSc(Hon)-Soil Science;Ferdowsi University of Mashhad, Iran 2004.
MSc-Environmental Soil Chemistry/Plant Nutrition;The University of New England,Armidale, Australia 2007.
PhD-Plant physiology/Soil Chemistry, The University of Adelaide, Waite Research Institute, Australia, 2011.
Environmental Soil Chemistry
Agricultural Crop Physiology
Mineral Nutrition of Plants
Chemistry of alkaline soils
Carbon and nutrient cycling in soils
Risk assessment and ecotoxicity of manufactured nanoparticles
Colloidal facilitated transport of inorganic and organic contaminants
Combined stress physiology and their tolerance mechanisms in cereals and pulse crops
Synchrotron techniques in biogeochemistry and plant physiology
Grants and Sponsorship
2015: Characterisation of aluminium distribution and speciation in roots of wheat grown in high pH soils. Advanced Photon Source (APS), USA.
2014: Australian Research Council (DP150101760) Engineered graphene-based nanofertilizers to improve crop nutrition "2015-2017". (Investigators: McLaughlin M, Losic D, Tavakkoli E, Kirby J). AUD $431,200.
2014: GRDC Travel award. $5000
2014: ANSTO/AINSE Research Award for access to Accelerator Mass Spectrometer. $10,000.
2014: Functional characterisation of organic nitrogen in alkaline soils using NEXAFS nitrogen K-edge spectroscopy and Pyrolysis-Mass spectrometry, Australian Synchrotron Beamline Proposal.
2013: Functional characterisation of organic carbon in alkaline soils using synchrotron-based FTIR spectromicroscopy and NEXAFS spectroscopy, Australian Synchrotron Beamline Proposal.
2013: Functional Characterisation of organic carbon in alkaline soils, Australian Synchrotron Beamline Proposal
2013: ANSTO/Australian Synchrotron travelling award. $4000
2013: The Crawford Fund conference award. $2000
2013: GRDC Conference sponsorship for chemistry, Amelioration and Management of Alkaline Soils Workshop. $5000
2012: Characterisation of arsenic and chromium associated with naturally occurring nanoparticles and colloids in chromated copper arsenate contaminated soil solutions, Australian Synchrotron Beamline Proposal.
2012-2015: Increasing carbon storage in alkaline sodic soils through improved productivity and greater organic carbon retention, Department of Agriculture, Fisheries and Forestry. AUD $1,140,000
Characterising the exchangeability of phenanthrene associated with naturally occurring soil colloids using an isotopic dilution technique
E Tavakkoli, A Juhasz, E Donner, E Lombi
radio-isotopic dilution technique for functional characterisation of
the associations between inorganic contaminants and water-dispersible
naturally occurring soil colloids
Effects of chemical amendments on the lability and speciation of metals in anaerobically digested biosolids
of four silver/silver chloride nanoparticles during anaerobic treatment
of wastewater and post-processing of sewage sludge
Fate of zinc oxide nanoparticles during anaerobic digestion of wastewater and post-treatment processing of sewage sludge
A comparison of hydroponic and soil-based screening methods to identify salt tolerance in the field in barley
genotypic variation in faba bean (< i> Vicia faba</i> L.)
in response to salinity in hydroponic and field experiments
Silicon nutrition of rice is affected by soil pH, weathering and silicon fertilisation
Additive effects of Na+ and Cl–ions on barley growth under salinity stress
Interaction of silicon and phosphorus mitigate manganese toxicity in rice in a highly weathered soil
Assessment of sub-soil salinity and sodicity constraints to barley and faba bean production
to yield in saline-sodic soils: Quantification of the osmotic and ionic
regulations that affect the growth of crops under salinity stress
concentrations of Na+ and Cl–ions in soil solution have simultaneous
detrimental effects on growth of faba bean under salinity stress
The response of barley to salinity stress differs between hydroponic and soil systems
Peer-reviewed conference papers
Tavakkoli E., Derrien, M, Rengasamy P., McDonald GK (2014) Adsorption of dissolved organic carbon to carbonate mineral and alkaline soils. National Soil Science Conference, MCG, Melbourne, 23-27th Nov 2014 (Oral Poster).
McDonald GK, Tavakkoli E., Rengasamy, P., Latta, R., Holbery, S., Browne C., and Craig, S. (2014) Gypsum application reduces soil pH and alters soil C in calcareous alkaline soils. National Soil Science Conference, MCG, Melbourne, 23-27th Nov 2014 (Oral Presentation)
Tavakkoli E., Rengasamy P., McDonald GK (2014) Characterising the functional relationships of stable forms of organic carbon in micro- and nano-aggregates of soils with a focus on high pH soils. 20th World congress of Soil Science. 8-13th June 2014, Jeju Island, South Korea (Oral Presentation)
Tavakkoli E., Juhasz A., Lombi E (2014) Characterisation of phenanthrene associated with naturally occurringcolloids in soil extracts using an isotopic dilution technique. 20th World congress of Soil Science. 8-13th June 2014, Jeju Island, South Korea (Oral Poster)
Tavakkoli E., Sekine R., Harmer, S., Rengasamy, P., and McDonald GK (2013) Functional characterisation of environmental key elements using synchrotron-based spectromicroscopy techniques. Australian Synchrotron User Meeting. 21-22 Nov 2013, Melbourne, Australia (Oral Presentation, Invited)
Tavakkoli E., Donner E., Naidu R., Lombi E (2013) Fate of zinc oxide nanoparticles during anaerobic digestion of wastewater. 7th Asia - Oceania Forum for Synchrotron Radiation Research Workshop, 21-24 September 2013, Himeji, Japan (Poster, Invited)
Tavakkoli E., Donner E., Naidu R., Juhasz A., Lombi E (2012) A radio-isotopic dilution technique for characterising associations between metal(loid)s and naturally occurring soil nanoparticles. 4th International congress EUROSOIL 2012, 2-6 July 2012, Bari, Italy
Tavakkoli E., Rengasamy P., McDonald GK (2011) Effective screening techniques for improving salt tolerance of barley: Unknown Knowns vs Unknown Unknowns. The 15th Australian Barley Technical Symposium, 18-21 September 2011, Adelaide, Australia (Oral presentation)
Tavakkoli, E., Rengasamy, P. and McDonald, G.K. (2008) A critical analysis of osmotic and ionic effects of salinity in two barley cultivars, Global Issues Paddock Action. Proceedings of the 14th Australian Agronomy Conference. September 2008, Adelaide South Australia (Oral presentation) http://www.regional.org.au/au/asa/2008/concurrent/crop-growth/5703_tavakkolie.htm
Tavakkoli, E., Rengasamy, P. and McDonald, G.K. (2008) Soils Do It Differently: An Assessment of Comparative Response of Barley Genotypes to Salinity Stress in Hydroponic and Soil Systems. Proceedings of ANZ Soils Conference, Massey University, Palmerston North, New Zealand from 1-5 December 2008 (Oral presentation)
Moussavi Nik, M, Lyons G, Safaee, M, Khazaee, M and Tavakkoli, E. (2008) Zinc and phosphorus interactions in three invred cultivars of Mazie (Zea mays L.) differing in P uptake efficiency grown in highly weathered soil. Proceedings of ANZ Soils Conference, Massey University, Palmerston North, New Zealand from 1-5 December 2008 (Oral presentation)
Tavakkoli, E., English, P. and Guppy, C, (2008) Interactions of silicon and phosphorus mitigate manganese toxicity in rice (Oryza sativa) in a highly weathered soil Proceedings of ANZ Soils Conference, Massey University, Palmerston North, New Zealand from 1-5 December 2008 (Oral presentation)
Tavakkoli, E., Rengasamy, P. and McDonald, G.K. (2009) Phenomics-based screening for salinity tolerance: A case study for the evaluation of the impact of salinity on growth of barley and faba bean. 1st International Plant Phenomics Symposium : from Gene to Form and Function. Discovery centre, CSIRO, Canberra, Australia, 21 - 24 April 2009
Tavakkoli, E, Rengasamy, P. and McDonald, G.K. (2009) Screening for salinity tolerance of barley genotypes using destructive ad non-destructive techniques. The Genomics of Salinity. Nov 2009. Adelaide, Australia.
Tavakkoli, E., Cozzolino, D., Roumeliotis, S., Coventry, S. and McDonald, G.K. (2010) Application of near-infrared spectroscopy in analysis of chemical/physical characteristics of soil and plant mineral nutrients. The 14th ANISG conference. NIR in action: it makes economic sense. National Wine Centre of Australia, Adelaide, Australia.
Tavakkoli, E., Fatehi, F., Coventry, S., Rengasamy, P. and McDonald, G.K. (2010) The effects of high concentrations of Na and Cl ions on the growth of barley. Gordon Research Conference on salt and water stress in plants. Switzerland, LesDiablertes.
Tavakkoli E., Coventry S., Paull J., Jones B., Rengasamy P., McDonald G.K. (2010) On-farm assessment of sub-soil salinity and sodicity constraints to faba bean and barley production in areas of southern Australia. Proceedings of the 15th ASA Conference, 15-19 November 2010, Lincoln, New Zealand (Oral presentation) http://www.regional.org.au/au/asa/2010/crop-production/subsoil/7155_tavakkoli.htm
Tree Crop Technologies, Pty Ltd (Environmental Scientist), 2011-Present
Australian Society of Soil Science Inc.(ASSSI) (Treasurer of SA branch in 2009-2010, member of committe since 2007)
The Australasian Soil and Plant Analysis Council (ASPAC)
International Union of Soil Sciences (IUSS)
Iranian Society of Soil Science
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