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M. Robert Hamersley, PhDAssociate Professor of Microbiology
- Ph.D. Biological Oceanography, Massachusetts Institute of Technology / Woods Hole Oceanographic Institution
- M.E.Des. Environmental Science, University of Calgary
- B.Sc. (Hon.) Biology, University of Victoria
- 2008 - Present.Board Member, Orange Coast Watershed and Environment Center, Laguna Niguel, California, USA.
- 2007 - Present, Associate Professor of Environmental Microbiology, Soka University of America, Aliso Viejo, California, USA.
- 2005 - 2007, Postdoctoral Fellow, University of Southern California Wrigley Institute for Environmental Studies, Los Angeles, California, USA.
- 2004 - 2005, Scientist, Max Planck Institute for Marine Microbiology, Bremen, Germany.
- 2003, Visiting Lecturer, University of Massachusetts, Dartmouth Department of Biology, N. Dartmouth, Massachusetts, USA.
- 2002 - 2004, Research Associate, School for Marine Science and Technology (SMAST), University of Massachusetts, New Bedford, Massachusetts, USA.
- Aquatic biogeochemistry and environmental microbiology
- Links between the carbon and nitrogen cycles
Selected Papers, Publications & Lectures
- Hamersley MR, Sohm JA, Burns JA and DG Capone. 2015. “Nitrogen fixation associated with the decomposition of the giant kelp Macrocystis pyrifera.” Aquatic Botany, 125:57-63.
- Bonnet B, Dekaezemacker J, Turk-Kubo KA, Moutin T, Hamersley MR, Grosso O, Zehr JP and DG Capone. 2013. “Aphotic N2 fixation in the eastern tropical South Pacific Ocean.” S Bonnet et al. Public Library of Science One, 2013 PLOS ONE. 8:e81265.
- Kawai M, Kishi M, Hamersley MR, Nagao N, Hermana J and T Toda. 2012. “Biodegradability and methane productivity during anaerobic co-digestion of refractory leachate.” International Biodeterioration & Biodegradation. 72:46-51.
- Hamersley MR, Turk KA, Leinweber A, Gruber N, Zehr JP, Gunderson T and DG Capone. 2011. “Nitrogen fixation within the water column associated with two hypoxic basins in the Southern California Bight.” Aquatic Microbial Ecology. 63:193-205.
- Hamersley MR, Woebken D, Boehrer B, Schultze M, Lavik G, and MMM Kuypers. 2009 "Water column anammox and denitrification in a temperate permanently-stratified lake (Lake Rassnitzer, Germany)." Systematic and Applied Microbiology. 32:571-582.
- Hamersley MR, Lavik G, Woebken D, Rattray JE, Lam P, Hopmans EC, Sinninghe Damsté JS, Krüger S, Graco M, Gutiérrez D and MMM Kuypers. 2007. "Anaerobic ammonium oxidation in the Peruvian oxygen minimum zone." Limnology and Oceanography. 52:923-933.
- Hamersley MR and BL Howes. 2005. "Coupled nitrification-denitrification measured in situ in vegetated salt marsh sediments using a nitrogen-15 ammonium tracer." Marine Ecology Progress Series. 299:123-135.
- Hamersley MR and BL Howes. 2005. "An evaluation of the N2 flux approach for measuring sediment denitrification." Estuarine, Coastal, and Shelf Science. 62:711-723
- "Nitrogen fluxes and mitigation strategies in the Audubon Skunknett River Wildlife Sanctuary." M.R. Hamersley and B. L. Howes. Coastal Systems Laboratory, 2004
- Hamersley MR and BL Howes. 2003. "Contribution of denitrification to nitrogen, carbon, and oxygen cycling in sediments of a New England salt marsh." Marine Ecology Progress Series. 262:55-69
- Hamersley MR, Howes BL, and DS White. 2003. "Particulates, not plants, dominate nitrogen processing in a septage-treating wetland system." Journal of Environmental Quality. 32:1895-1904.
- Hamersley MR and BL Howes. 2002. "Control of denitrification in a septage-treating artificial wetland: The dual role of particulate organic carbon." Water Research. 36:4416-4428.
- Hamersley M.R, Howes BL, White DS, Johnke S, Young D, Peterson SB and JM Teal. 2001. "Nitrogen balance and cycling in an ecologically engineered septage treatment system." Ecological Engineering. 18:61-75.
Courses Taught at SUA
- Agricultural Soil Restoration (LRNCLSTR 200/300)
- Agriculture, Gardening, and Soils (LRNCLSTR 200/300)
- Biogeochemistry (EOS 446)
- Californian and Modernist Architecture of Los Angeles (LRNCLSTR 200/300)
- Campus Sustainability (LRNCLSTR 200/300)
- Environmental Design (EMP 248)
- Environmental Microbiology (ECOL 360)
- Greening the Campus (LRNCLSTR 200/300)
- Introduction to Climate Change (EOS 302)
- Medical Microbiology (BIO 148)
- Modes of Inquiry (INQUIRY 100)
- Nature and Humanity (BIO 110)
- Oceanography (PHYS 123)
- Sustainable Agriculture and Gardening (EOS 280)
- Water Resources (EOS 322)
Selected Honors & Awards
- Science Digest Top 25 Hottest Articles: Systematic and Applied Microbiology (for Hamersley et al. 2009), 2009
- P.I., Greening the Campus: An investigation of Green Building Standards and their application at SUA. $10,000. Luis and Linda Nieves Learning Cluster Grant. 2009.
- P.I., Nutrient and Metal Removal from Urban Runoff by Freshwater Wetlands Fringing Newport Bay. $1,000. Newport Bay Naturalists and Friends Research Committee. 2009.
- Science Digest Top 25 Hottest Articles: Ecological Engineering (for Hamersley et al. 2001), 2005
- Postdoctoral Fellowship, Max Planck Institute for Marine Microbiology, 2004
- Co-P.I., Reducing Nitrate Fluxes Into Scudder Bay: The Role Of The Skunknett River Wildlife Sanctuary Pond System. $16,000. Town Of Barnstable, Massachusetts. 2003.
- P.I., Isotopic Studies of Salt Marsh Denitrification. $4000, Reinhart Coastal Research Center, Woods Hole Oceanographic Institution. 2000.
- Graduate Fellowship, National Sciences and Engineering Research Council of Canada, 1991