Michael PolitoMichael Polito

Position: Assistant Professor, Department of Oceanography and Coastal Sciences

Phone: (225) 578-9403

Fax: (225) 578-5328

E-mail: mpolito@lsu.edu

Website: http://www.oceanography.lsu.edu/politolab/

Office: 1239 Energy, Coast and Environment Building

Bachelor's Degree(s): B.S. Marine Biology, University of North Carolina Wilmington

Ph.D.(s): Ph.D. Marine Biology, University of North Carolina Wilmington


Research Interests:

  • Stable isotope ecology
  • Food web dynamics and anthropogenic contaminants
  • Ecology of marine birds and mammals
  • Carbon flow through marsh food webs

Classes Taught:

  • OCS1005: Intro to Oceanography
  • OCS 4012: Biology of Marine Vertebrates
  • OCE 7130: Marine Isotope Biogeochemistry

Selected Publications:

Polito M.J., Trivelpiece W.Z., Patterson W.P., Karnovsky N.J., Reiss C.S., and Emslie S.D. 2015. Contrasting specialist and generalist patterns facilitate foraging niche partitioning in sympatric populations of Pygoscelis penguins. Marine Ecology Progress Series 519:221-237

McMahon K.W.*, Polito M.J*, Abel S., McCarthy M.D., and Thorrold S.D. 2015. Carbon and nitrogen isotope fractionation of amino acids in an avian marine predator, the Gentoo penguin (Pygoscelis papua). Ecology and Evolution 5 (6), 1278-1290 *Joint first authors

Hinke J.T, Polito, M.J, Goebel, M.E., Jarvis, S, Reiss, C.S., Thorrold, S.R., Trivelpiece, W.Z., and Watters, G.M. 2015. Spatial and isotopic niche partitioning during winter in chinstrap and Adélie penguins from the South Shetland Islands. Ecosphere 6(7):125

Clucas G.V., Dunn MJ, Dyke G., Emslie S.D., Naveen R., Polito M.J., Pybus O.G., Rodgers A.D., and Hart T. 2014. A reversal of fortunes: climate change’winners’ and’losers’ in Antarctic Peninsula penguins. Scientific reports 4:5024-5024

Polito M.J., Reise C.S., Trivelpiece W.Z., Patterson W.P., and Emslie S.D. 2013. Stable isotopes identify an ontogenetic niche expansion in Antarctic krill (Euphausia superba) from the South Shetland Islands, Antarctica. Marine Biology 160(6):1311–1323

Beaulieu M., Thierry A.M., González-Acuña D., and Polito, M. J. 2013. Integrating oxidative ecology into conservation physiology. Conservation Physiology 1(1)

Polito M.J., Koopman H.N., Able S., Walsh J., Goebel M.E. 2012. Physiological constraints and the influence of diet on fatty acids in the yolk of gentoo penguins, Pygoscelis papua. Journal of Comparative Physiology B 182:703-713

Polito M.J., Trivelpiece W.Z., Karnovsky N.J., Ng E., Patterson W.P., and Emslie S.D. 2011. Integrating stomach content and stable isotope analyses to quantify the diets of pygoscelid penguins. PLoS ONE, 6(10):e26642

Polito M.J., Lynch H.J., Naveen R., and Emslie S.D. 2011. Stable isotopes reveal regional heterogeneity in the pre-breeding distribution and diets of sympatrically breeding Pygoscelis penguins. Marine Ecology Progress Series 421:265-277

Brasso R.L., Abel S., and Polito M.J. 2011. Mercury allocation into egg tissues is independent of dietary exposure in gentoo penguins. Archives of Environmental Contamination and Toxicology, 62(3):494-501

Polito M.J., and Goebel M.E. 2010. Investigating the use of stable isotope analysis of milk to infer seasonal trends in the diets and foraging habitats of female Antarctic fur seals. Journal of Experimental Marine Biology and Ecology 395(1-2):1-9

Polito M.J., Miller A.K., Trivelpiece S.G., and Trivelpiece W.Z. 2010. Maturation increases early reproductive investment in Adélie Penguins Pygoscelis adeliae. Ibis 152:38-47

Polito M.J., Fisher S., Tobias C.R., and Emslie S.D. 2009. Tissue-specific isotopic discrimination factors in gentoo penguin (Pygoscelis papua) egg components: Implications for dietary reconstructions using stable isotopes. Journal of Experimental Marine Biology and Ecology 372:106-112

Polito M.J., and Trivelpiece W.Z. 2008. Transition to independence and evidence of extended parental care in the gentoo penguin (Pygoscelis papua). Marine Biology, 154(2): 231-240

Polito M., Emslie S.D., and Walker W. 2002. A 1,000–year record of Adélie penguin diets in the Southern Ross Sea, Antarctica. Antarctic Science, 14 (4):327–332