Mary A. Sewell

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Mary Anne Sewell
Alma materUniversity of Alberta
Scientific career
Fieldsmarine biology

Mary Anne Sewell (born 1963) is a New Zealand marine biology academic. She is currently a full professor at the University of Auckland.[1]

Academic career[edit]

After a 1993 PhD titled 'Reproductive cycle, sex change, and mortality during brooding of a viviparous sea cucumber Leptosynapta clarki' at the University of Alberta, she moved to the University of Auckland, rising to full professor.[1]

Sewell has spoken publicly on a number of marine issues, including shark finning[2] and microbeads and plastic pollution[3][4][5][6][7]

Selected works[edit]

  • Levitan, Don R., Mary A. Sewell, and Fu-Shiang Chia. "How distribution and abundance influence fertilization success in the sea urchin Strongylocentotus franciscanus." Ecology 73, no. 1 (1992): 248–254.
  • Fendall, Lisa S., and Mary A. Sewell. "Contributing to marine pollution by washing your face: microplastics in facial cleansers." Marine pollution bulletin 58, no. 8 (2009): 1225–1228.
  • Hofmann, Gretchen E., James P. Barry, Peter J. Edmunds, Ruth D. Gates, David A. Hutchins, Terrie Klinger, and Mary A. Sewell. "The effect of ocean acidification on calcifying organisms in marine ecosystems: an organism-to-ecosystem perspective." Annual Review of Ecology, Evolution, and Systematics 41 (2010): 127–147.
  • Levitan, Don R., Mary A. Sewell, and Fu-Shiang Chia. "Kinetics of fertilization in the sea urchin Strongylocentrotus franciscanus: interaction of gamete dilution, age, and contact time." The Biological Bulletin 181, no. 3 (1991): 371–378.
  • O’Donnell, Michael J., Anne E. Todgham, Mary A. Sewell, LaTisha M. Hammond, Katya Ruggiero, Nann A. Fangue, Mackenzie L. Zippay, and Gretchen E. Hofmann. "Ocean acidification alters skeletogenesis and gene expression in larval sea urchins." Marine Ecology Progress Series 398 (2010): 157–171.


  1. ^ a b "Professor Mary Sewell - The University of Auckland".
  2. ^ "Mary Sewell: Speak up, NZ - ban shark finning". NZ Herald. 6 February 2013 – via
  3. ^ Arnold, Naomi (22 May 2009). "Dirty Washing". NZ Herald – via
  4. ^ "Take action on land to save the seas". 20 March 2018.
  5. ^ "Auckland drinking water not yet tested for microplastic pollution". Stuff. 16 September 2017.
  6. ^ "Scientists and skincare companies agree we don't need microbeads". Stuff. 17 January 2017.
  7. ^ "Momentum grows for microbead ban". 8 January 2016.

External links[edit]