Dr. Alexandra H. Campbell


Lecturer in Biosceince

Faculty of Science, Health, Education and Engineering

University of the Sunshine Coast


Science Communicator


E-mail: acampbe1@usc.edu.au


Research Interests


  • Effects of natural enemies on habitat-forming organisms in warming oceans

  • Interactions between marine micro- and macro-organisms

  • Marine ecology

  • Conservation and restoration of marine habitats


Ph.D. in Ecology, UNSW, 2011


B. Sc. (Honours 1), UNSW, 2002



Postdoctoral Research Associate, UNSW Science.

2010 - present


Freelance Science Writer.

2011 - present


Associate Lecturer (casual), UNSW Science.

2010 - present


Churchill Fellow.

2014 - 2015


Visiting Fellow, University of Western Australia.



Visiting Fellow, Nanyang Technical University, Singapore.

2011 - 2012


Environmental Editor, Beast Magazine

2007 - 2011


Australian Postgraduate Award Scholar

2006 - 2010


Producer / Presenter / Researcher, 'Boiling Point' Science, Eastside FM

2006 - 2011


Scientific Publications


Bennett S, Wernberg T, Arackal-Joy B, deBettignies T & Campbell AH (in press). Central and rear edge populations are equally vulnerable to warming. Nature Climate Change (accepted 6/11/2015) 


Marzinelli EM, Leong MR, Campbell AH, Steinberg PD, & Vergés A (2015). Does restoration of a habitat-forming seaweed restore associated faunal diversity? Restoration Ecology DOI: 10.1111/rec.12292


Marzinelli EM, Campbell AH*, Zozaya-Valdes E, Vergés A, Nielsen S, Wernberg T, deBettignies T, Bennett S, Caporaso JG, Thomas T & Steinberg PD (2015). Continental-scale variation in seaweed host-associated bacterial communities as a function of host condition, not grography. Environmental Microbiology 17(10), 4078-4088


Campbell, A. H., Marzinelli, E. M.*, Gelber, J. & Steinberg, P. D. (2015) Spatial variability of microbial assemblages associated with a dominant habitat-forming seaweed. Frontiers in Microbiology (in press). Impact Factor 3.94


Campbell, A. H., Vergés, A. & Steinberg, P. D. (2014) Demographic consequences of disease in a habitat-forming seaweed and impacts on interactions between natural enemies. Ecology 95(1), 142-152.  Impact factor 4.78.


Campbell, A. H., Marzinelli, E. M.*, Vergés, A., Coleman, M. A. and Steinberg, P. D. (2014) Towards restoration of missing underwater forests. PLoS ONE 9(1), e84106. *denotes joint first authorship. Impact factor 3.74. International press coverage.


Vergés, A., Steinberg, P. D., Hay, M. E., Poore, A. G. B., Campbell, A. H., Ballesteros, E., Heck, K. L.,  Booth, D. J., Coleman, M. A., Feary, D. A., Figueira, W., Langlois, T.,  Marzinelli, E. M., Mizerek, T., Mumby, P. J., Nakamura, Y., Roughan, M., van Sebille, E., Sen Gupta, A., Smale, D. A., Tomas, F., Wernberg, T., Wilson, S. K. (2014) The tropicalization of temperate marine ecosystems: climate-mediated changes in herbivory and community phase shiftsProceedings of the Royal Society B: Biological Sciences, 281(1789), 20140846. Impact Factor 5.415, International Press Coverage.


Wahl, M., Molis, M,, Hobday, A.J.,  Dudgeon, Neumann, R., Steinberg, P.D., Campbell, A. H., Marzinelli, E.M. & Connell, S. The responses of brown macroalgae to environmental change from local to global scales: direct versus ecologically mediated effects. Perspectives in Phycology (in press).


Marzinelli, E. M., Campbell, A. H.* Vergés, A., Coleman, M. A., Kelaher, B. P. & Steinberg, P. D. (2013) Restoring seaweeds: does the declining fucoid Phyllospora comosa support different biodiversity than other habitats?. Journal of Applied Phycology (accepted). *denotes joint first authorship. Impact factor 2.33


Campbell, A. H., Vergés, A., Harder, T. & Steinberg, P. D. (2012) Causes and ecological consequences of a climate-mediated disease. In: Lunney and Hutchings (Eds) ‘Wildlife and climate change: toward robust conservation strategies for Australian fauna’. Royal Zoological Society of New South Wales, Mosman, NSW, Australia. National press coverage.


Poore, A. G. B., Campbell, A. H., Coleman, R. A., Edgar, G. J., Jormalainen, V., Reynolds, P. L., Sotka, E, E., Stachowicz, J. J., Taylor, R. B., Vanderklift, M. A. & Duffy, E. J. (2012). Global patterns in the impact of marine herbivores on benthic primary producers. Ecology Letters 15(8), 912-922. Impact factor 17.6; ISI Journal Citation Reports Ranking 2011: 1/134 (Ecology); International press coverage


Harder, T., Campbell, A. H., Egan, S. and Steinberg, P. D. (2012). Chemical mediation of ternary interactions between marine holobionts and their environment as exemplified by the red alga Delisea pulchra. Journal of Chemical Ecology 38(5), 442- 450. Impact factor 2.66


Wernberg, T., Smale, D. A., Vergès, A., Campbell, A. H., Russell, B. D., Coleman, M. A., Ling, S. D., Steinberg, P. D., Johnson, C. R., Kendrick, G. A. & Connell, S. D. (2012). Macroalgae and temperate rocky reefs. In: Poloczanska, Hobday and Richardson (Eds) Report Card of Marine Climate Change in Australia, detailed scientific assessment, NCCARF publication, p1-23.


Campbell, A. H., Nielsen, S., Harder, T., Kjelleberg, S. & Steinberg, P. D. (2011) Climate change and disease: bleaching in a chemically defended seaweed Global Change Biology, 17(9): 2958-2970. Impact factor 6.9 ISI Journal Citation Reports Ranking 2011: 1/37 (Biodiversity Conservation); International press coverage.


Steinberg, P. D., Rice, S. A., Campbell, A. H., McDougal, D. & Harder, T. (2011). Interfaces between bacterial and eukaryotic “neuroecology” Integrative and Comparative Biology, 51(5), 794-806. Impact factor 2.45. ISI Journal Citation Report Ranking 2011: 15/146 (Zoology); 


Wernberg, T., Russell, B. D., Moore, P. J, Ling, S. D., Smale, D. A., Campbell, A. H., Coleman, M. A., Steinberg, P. D., Kendrick, G. A., Connell, S. D. (2011). Impacts of climate change in a global hotspot for temperate marine biodiversity and ocean warming Journal of Experimental Marine Biology and Ecology 400(1-2): 7-16. Impact factor 2.4; Invited review; most downloaded paper from JEMBE since publication and now an ‘ISI highly cited paper in Plant & Animal Science’; National Press coverage.


Case, R. J., Longford, S., Campbell, A. H., Low, A., Tujula, N., Steinberg, P. D. & Kjelleberg, S. (2011) Temperature induced bacterial virulence and bleaching disease in a chemically-defended marine macroalga Environmental Microbiology 13(2): 529- 537. Impact factor 5.84. ISI Journal Citation Report Ranking 2011: 14/114 (Microbiology); Cover article.


Poore, A. G. B., Campbell, A. H., and Steinberg, P. D. (2009) Natural densities of mesograzers fail to limit growth of macroalgae or their epiphytes in a temperate algal bed Journal of Ecology 97: 164-175. Impact factor 5.04; ISI Journal Citation Ranking Report 2011: 17/134 (Ecology). Article recommended for F1000


Wernberg, T., Campbell, A. H., Coleman, M. A., Connell, S. D., Kendrick, G. A., Moore, P. J., Russell, B. D., Smale, D. A., Steinberg, P. D. (2009) Marine Climate Change in Australia, Impacts and Adaptation Report Card (2009): Macroalgae and temperate rocky reefs. NCCARF publication. Featured widely in the media + nominated for a prestigious Eureka Award.











Interview on ABC Radio regarding the 'Crayweed Restoration Project', 2014


Dozens of digital media stories about the 'Crayweed Restoration Prohect' 2014


'Beneath the Waves' talks for Randwick Council's biannual 'Coastal Activities' Program, 2010 - 2015


'Scientists and Mathematicians in Schools' Program, 2014-2015


'The Wonderful World of Whales', Randwick Council's biannual 'Coastal Activities Program', 2010 - 2015


'Meet the Scientist', Sydney Sea Life Aquarium, 2014


Scientific Panel, Ultimo Science Festival, 2013


'Are there really plenty of fish in the sea?, Northside Forum, 2013


'Women in Marine Science', SIMS at 7, 2013


Winner 'Young Tall Poppy Award' for Outstanding Research and Science Communication, 2012


Dozens of digital media stories about 'Climate change and disease' project, 2012


2010 - present

2010 - present

Professional Honours, Awards and Fellowships


Winston Churchill Memorial Trust Fellowship


UWA Oceans Instutite Visiting Fellowship


Young Tall Poppy Award, Australian Institute of Policy and Science



Competitive Grants Awarded


  • Campbell A. Environmental stress and microbial mediation of coral-algal interactions. Churchill Trust – Early Career Researcher Fellowship (AUD30K) 2015

  • Campbell A. Are climate-mediated diseases contributing to declines of habitat-forming organisms? CASS Travel Grant (AUD3.5K) 2014

  • Campbell A., Marzinelli E. & Vergés A. Multiple natural enemies and the decline f kelps in warming oceans. Evolution and Ecology Research Centre (AUD15K) 2014

  • Steinberg P, Marzinelli E, Campbell A., Vergés A, Coleman M. Towards restoration of missing underwater forests. Environmental Trust (AUD150K) 2014

  • Steinberg P, Marzinelli E, Campbell A., Vergés A. Restoration of missing underwater forests in Sydney. NSW DPI Saltwater and Freshwater Trust Funds (AUD44K) 2013

  • Hill R, Marzinelli E, Campbell A., Lachnit T. Emerging viral infections in a widespread ecosystem engineer. UNSW Science Faculty Research Grants Program (AUD18K) 2013

  • Vergés A, Campbell A., Marzinelli E. Shifting marine species interactions in a temperate-tropical transition zone. UNSW Early Career Researcher Grant (AUD17K) 2013

  • Steinberg P, Marzinelli E, Campbell A., Wayne A, Kwee E. Restoration of missing underwater forests in Sydney. NSW DPI Recreational Fishing Trusts Grant (AUD10K) 2012

  • Campbell A., Ecology of bacterial bleaching in a chemically defended seaweed, ARC Australian Postgraduate Award (AUD75K) 2006