Duivenvoorden, Leo - Central Queensland University - School of Medical and Applied Sciences

个人简介

Awards Tier 2 Award for Excellence in Learning and Teaching 2012 "For the development of an engaging and supportive learning environment that facilitates and inspires student learning in the science and nursing areas" Professional Experience Aquatic Biologist with research interests in the health of aquatic systems. Special interest in algae, aquatic plants and invertebrates. Responsibilities Senior Lecturer, Department of Medical and Applied Sciences; Leader, Freshwater Ecology Group, Building 9 Ground floor, Freshwater Ecology Laboratory

研究领域

My research interests include the assessment of the condition of freshwater aquatic ecosystems, particularly in relation to anthropogenic influences. This has involved producing benchmark data bases on the ecology of streams, storages, dams and wetlands. My focus has been on the Fitzroy River catchment in central Queensland, though other work has included investigations of the aquatic flora of the Burnett River system, wetlands for effluent treatment in Mackay and investigations of tropical monsoonal wetlands in Kakadu National Park (Northern Territory). Overseas, I have worked on acid mine drainage in Colorado (USA) and a river system that drains an area between Los Angeles and San Diego in California. My research has focused on the aquatic invertebrates and plants of the Fitzroy River system with emphasis on the factors influencing the distribution of these organisms. Together with Dr Larelle Fabbro another focus has been studies of the phytoplankton of the Fitzroy River with particular emphasis on the cyanoprokaryotes (blue-green algae). Research on stream systems has included broad-scale catchment surveys and more specific studies of particular streams such as the acid-mine problems of the Dee River and the naturally high salinity waters of the Neerkol Creek and Marlborough Creek systems. These studies have included surveys of fish species and together with the other biota studied provides a holistic assessment of the ecosystems that forms the basis of our approach in these investigations.

近期论文

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Vicente-Beckett, VA, Taylor McCauley, GJ & Duivenvoorden, LJ 2016, 'Metal speciation in sediments and soils associated with acid-mine drainage in Mount Morgan (Queensland, Australia)', Journal of Environmental Science and Health, Part A, vol. 51, no. 2, pp. 121-134, http://dx.doi.org/10.1080/10934529.2015.1087738 Holland, A, Duivenvoorden, LJ & Kinnear, SHW 2015, 'Effect of key water quality variables on macroinvertebrate and fish communities within naturally acidic wallum streams', Marine and Freshwater Research, vol. 66, no. 1, pp. 1-10, http://dx.doi.org/10.1071/MF13285 Holland, A, Duivenvoorden, LJ, Kinnear & SHW 2014, 'Humic acid decreases acute toxicity and ventilation frequency in eastern rainbowfish (Melanotaenia splendida splendida) exposed to acid mine drainage', Ecotoxicology and Environmental Safety, vol. 110, pp. 16-20, http://dx.doi.org/10.1016/j.ecoenv.2014.08.004 Holland, A, Duivenvoorden, LJ & Kinnear, SHW 2014, 'The double-edged sword of humic substances: contrasting their effect on respiratory stress in eastern rainbow fish exposed to low pH', Environmental Science and Pollution Research, vol. 21, no. 3, pp. 1701-1707, http://dx.doi.org/10.1007/s11356-013-2031-0 Holland, A, Duivenvoorden, LJ & Kinnear, SHW 2014, 'Humic substances of varying types increase survivorship of the freshwater shrimp Caridina sp. D to acid mine drainage', Ecotoxicology, vol. 23, no. 5, pp. 939-945, http://dx.doi.org/10.1007/s10646-014-1237-3 Holland, A, Duivenvoorden, LJ & Kinnear, SHW 2014, 'Influence of Aldrich humic acid and metal precipitates on survivorship of mayflies (Atalophlebia spp.) to acid mine drainage', Environmental Toxicology and Chemistry, vol. 33, no. 3, pp. 567-572, http://dx.doi.org/10.1002/etc.2459 Holland, A, Duivenvoorden, LJ & Kinnear, SHW 2014, 'Humic substances: the answer to improved mayfly survivorship in acidic environments?', Limnologica, vol. 48, pp. 11-15, Holland, A, Duivenvoorden, L & Kinnear, S 2013, 'Humic substances increase survival of freshwater shrimp Caridina sp. D to acid mine drainage', Archives of Environmental Contamination and Toxicology, vol. 64, pp. 263-272. http://dx.doi.org/10.1007/s00244-012-9823-y Holland, A, Duivenvoorden, LJ & Kinnear, SHW 2013, 'Humic substaces increase the survivorship rates of freshwater shrimp exposed to acidified waters of varying hardness', Annals of Environmental Science, vol. 7, pp. 49-58, http://iris.lib.neu.edu/cgi/viewcontent.cgi?article=1128&context=aes Holland, A, Duivenvoorden, L & Kinnear, S 2012, 'Naturally acidic waterways: conceptual food webs for better management and understanding of ecological functioning', Aquatic Conservation: Marine and Freshwater Ecosystems, Vol. 22, issue 6, http://dx.doi.org/10.1002/aqc.2267