Amanda Pettersen

affiliated with the university, Doctor of Philosophy

Research areas and keywords

Keywords

  • Life-history theory, Metabolic theory, Maternal investment, Maternal effects, Offspring size, Evolution, Ecology, Physiology, Developmental Biology

Research

I am interested in understanding the causes and consequences of phenotypic variation, in particular for early life history and developmental traits. For my PhD work I measured metabolic scaling with size and temperature during development in marine invertebrates and fish to understand key patterns in life-history theory. I used a combination of field work, measures of physiological rates, and meta-analyses to propose potentially general mechanisms for variation in maternal investment strategies. I also measured selection on metabolic rate and key life-history traits to determine how micro-evolutionary processes can maintain variation in metabolic rates, and drive the pace-of-life across environments. In my current work as a Wenner Gren postdoctoral fellow, I will investigate the contribution of maternal effects as a mechanism for rapid countergradient adaptation in wall lizards. To answer how populations adapt to cool climates, which severely limits embryo growth, I will study populations across the native range, as well as populations introduced from Italy to England. I will combine field sampling and experimental work to determine the biochemical and physiological mechanisms, and the underlying genomic basis, of maternal and embryonic adaptations to cool climate.

Recent research outputs

Marshall, D. J., Amanda K. Pettersen & Cameron, H., 2018 Jun 1, In : Functional Ecology. 32, 6, p. 1436-1446 11 p.

Research output: Contribution to journalArticle

Amanda K. Pettersen, White, C. R., Bryson-Richardson, R. J. & Marshall, D. J., 2018 Mar 1, In : Functional Ecology. 32, 3, p. 762-772 11 p.

Research output: Contribution to journalArticle

Amanda K. Pettersen, Marshall, D. J. & White, C. R., 2018 Jan 1, In : Journal of Experimental Biology. 221, 1, 9 p.

Research output: Contribution to journalReview article

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