CofC Logo

Stacy Krueger-Hadfield

Assistant Professor, University of Alabama at Birmingham

Address: 1300 University Blvd., Birmingham, AL 35233
Phone: 205.934.6034
Personal Website:


Ph.D., 2011, Ecole Doctoral Diversite du Vivant, Station Biologique de Roscoff, Universite Pierre et Marie Curie Paris VI-Sorbonne Universites

Ph.D., 2011, Center for Advanced Studies in Ecology and Biodiversity, Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile

M.S., 2008, California State University Northridge

Research Interests

  • Eco-evolutionary maintenance of complex life cycles
  • Evolution of sex
  • Molecular ecology
  • Phycology
  • Biological invasions

Current and planned research projects

  • Population genetics and genomics of the invasive seaweed Gracilaria vermiculophylla
  • Invasive history of Corella eumyota in time and spice
  • Genetic diversity in non-native populations of Grateloupia turuturu
  • Genetic structure during bloom events
  • Brown algal range expansion: seascape genetics and climate change


  • Krueger-Hadfield, S.A., NM Kollars#, JE Byers, TW Greig, M Hamman, D Murray, CJ Murren, AE Strand, R Terada, F Weinberger and EE Sotka. (2015, in review) Biological invasion uncouples the biphasic life cycle. PNAS
  • Krueger-Hadfield, SA and SM Hoban. (2015, in review) Quantifying contemporary evolutionary change in haploid-diploid organisms: the importance of effective sampling. Journal of Phycology
  • Kollars, NM*, SA Krueger-Hadfield*, JE Byers, TW Greig, AE Strand, F Weinberger and EE Sotka. (2015, accepted) Development and characterization of microsatellite loci for the haploid-diploid red seaweed Gracilaria vermiculophylla. PeerJ 3:e1159 (* denotes equal contribution)
  • S.A. Krueger-Hadfield, D. Roze, C. Destombe, J. Correa and M. Valero. In revision. Heredity. O father, where art thou? Paternity analyses in a natural population of the red seaweed Chondrus crispus. Impact Factor: 4.110
  • S.A. Krueger-Hadfield, C. Balestreri, J.L. Schroeder, A.C. Highfield, Pierre Helaouet, J. Allum, R. Moate, K.T. Lohbeck, U. Riebesell, T.B.H. Reusch, R.E.M. Rickaby, J. Young, C. Brownlee and D.C. Schroeder. In press. Biogeosciences. Genotyping an Emiliania huxleyi (Prymnesiophyceae) bloom event in the North Sea reveals evidence of asexual reproduction. Impact Factor: 3.754
  • S.A. Krueger-Hadfield, D. Roze, S. Mauger and M. Valero. 2013. Intergametophytic selfing and microgeographic genetic structure shape populations of the intertidal red seaweed Chondrus crispus. Molecular Ecology. 222:3242-3260*** Impact Factor: 6.275
  • S.A. Krueger-Hadfield, J.E. Kubler and S.R. Dudgeon. 2013. Reproductive effort in the red alga, Mastocarpus papillatus. Journal of Phycology 49:271-281. Impact Factor: 2.239
  • S.A. Krueger-Hadfield, J. Collen, C. Daguin-Thiebaut and M. Valero. 2011. Distinguishing among genets and genetic population structure in the haploid-diploid seaweed Chondrus crispus (Rhodophyta). Journal of Phycology 47:440-450. Impact Factor: 2.071
  • S. Dudgeon, K.M. Benes, S.A. Krueger, J. Kubler, P. Mroz, and C. Slaughter. 2009. On the use of experimental diets for physiological studies of hydrozoans. Journal of the Marine Biological Association of the United Kingdom 89:83-88. Impact Factor: 0.995

***Perspective about this article by Hu (2013) Molecular Ecology 22:3191-3194.