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Staff Information> Research Students

KATHERINE DAFFORN - PhD STUDENT

RESEARCH SUPERVISORS - DR EMMA JOHNSTON and DR TIM GLASBY

EDUCATION
PhD in ecology
University of New South Wales (2006 - present)
 
BSc. (Hons. 1st class) in marine biology
University Medal
University of New South Wales (2005)
DOCTORAL RESEARCH
 
Do artificial substrates enhance the spread of marine pests?
Invasions of exotic species are a significant threat to native ecosystems, and have been shown to reduce biodiversity through predation, competition for resources and habitat alteration. Past research in marine systems has considered the transport of exotic species to new regions, but few studies have identified the factors that allow exotic species to establish and subsequently invade natural communities. My research will examine how these species are able to establish in new areas and invade natural reefs.
Katherine Dafforn
Estuaries are among the most highly disturbed of all coastal habitats. I have conducted a series of field surveys and manipulative experiments in several New South Wales estuaries to investigate the direct and indirect effects of shipping on marine invasion. My thesis will address the following topics:
  1. Links between estuarine condition and the transport and establishment of marine invaders
  2. Are NIS more abundant on fixed or floating habitats?
  3. Are introduced species more prevalent on artificial structures than on rocky reefs?
  4. What factors affect the recruitment of invasive propagules to temperate rocky reefs?
research
PREVIOUS RESEARCH
Identifying invasion vectors: comparing epibiotic communities in areas of commercial and recreational boating activity in Port Jackson - Honours Project, Dr Emma Johnston and Dr Tim Glasby.
INDUSTRY PARTNERS
New South Wales Department of Primary Industries - www.dpi.nsw.gov.au
research
RECENT ACHIEVEMENTS
  • John Holliday Student Conservation Award 2008, NSW Department of Primary Industries.
  • Oustanding Evolution and Ecology (Postgraduate) Researcher of 2008, Evolution and Ecology Research Centre.
  • Highly commended application to the Jill Landsberg Student Grant, Ecological Society of Australia, December 2007.
  • Best student presentation at the School of Biological, Earth and Environmental Sciences Postgraduate Forum, 14-16 June 2007.
  • Highly commended student poster presentation at the International Congress on Marine Corrosion and Fouling, 23-28 July 2006.
 
PUBLICATIONS
Dafforn, K.A., Glasby, T.M. and Johnston, E.L. (in prep) Sedimentation and native species enhance resistance to marine invasion in rocky reef assemblages.
Piola, R.F., Dafforn, K.A. and Johnston, E.L. (in review) The influence of antifouling practices on marine invasions.
Dafforn, K.A., Glasby, T.M. and Johnston, E.L. (in press) Links between estuarine condition and spatial distribution of marine invaders. Diversity & Distributions.
Dafforn, K.A., Johnston, E.L. and Glasby, T.M. (2009) Shallow moving structures promote marine invader dominance. Biofouling 25, 277-287.
Dafforn, K.A., Glasby, T.M. and Johnston, E.L. (2008) Differential effects of tributyltin and copper anti-foulants on recruitment of non-indigenous species. Biofouling 24, 23-33.
CONFERENCE PRESENTATIONS
Dafforn, K.A., Johnston, E.L. and Glasby, T.M. (2008/9) Pathway to invasion: from artificial structure to natural rocky reef. International Conference on Aquatic Invasive Species (19-23 April, Montreal, Canada), International Temperate Reefs Symposium (12-16 January, Adelaide, Australia) and Interactions in Science, Interactions in Nature: Ecological Society of Australia (1-5 December, Sydney, Australia).
Johnston, E.L., Piola, R.F., Dafforn, K.A., Cumbo, B. and Clark, G. (2008) Testing invasibility theory in marine invertebrate communities by manipulating the propagule supply of non-indigenous species. Interactions in Science, Interactions in Nature: Ecological Society of Australia (1-5 December, Sydney, Australia).
Dafforn, K.A., Glasby, T.M. and Johnston, E.L. (2008) Links between estuarine condition and the transport and establishment of marine invaders. Human Impacts and Functioning Ecosystems: Australian Marine Science Association Annual Conference (6-10 July, Canterbury, New Zealand).
Dafforn, K.A., Glasby, T.M. and Johnston, E.L. (2007) Commercial and recreational boat harbours offer different opportunities for marine invaders. Marine Science in a Changing World: Australian Marine Science Association Annual Conference (9-13 July, Melbourne, Australia).
Dafforn, K.A. , Glasby, T.M. and Johnston, E.L. (2007) Influences of antifouling treatments on marine invasion pathways. 5th International Conference on Marine Bioinvasions (21-24 May, Boston, USA).
Dafforn, K.A., Glasby, T.M. and Johnston, E.L. (2006) Proximity to antifouling treatments affects the ecology of invertebrate assemblages. 13th International Congress on Marine Corrosion and Fouling (23-28 July, Rio de Janeiro, Brazil).
SEE ALSO
CONTACT DETAILS
Evolution and Ecology Research Centre
School of Biological, Earth and Environmental Sciences
University of New South Wales
Sydney
NSW 2052
AUSTRALIA
Ph: +61 2 93853447
Fax: +61 2 93851558
Email: k.dafforn@unsw.edu.au