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George Hamaoui,

Assistant Professor, Biology

 

Research/Creative Interests

My doctoral dissertation work centers on understanding the effects of anthropogenic (human-caused) disturbance on soil microbial communities catalyzing the nitrogen (N) cycle. I work with soil from two major disturbance experiments: the Amazon Rainforest Microbial Observatory (ARMO; Rondônia, Brazil) and the Soil Warming and N-Fertilization Experiment at the Harvard Forest Long-Term Ecological Research Site (Petersham, MA). These sites, experiencing stress from land-use conversion of rainforest to pasture and from artificial warming and N-fertilization, respectively, allow researchers to determine how human activities and climate change will affect the N-cycle, one of the most critical biogeochemical cycles in terrestrial ecosystems.

Presentations

Hamaoui Jr., G.S., J.L.M. Rodrigues, B.J. Bohannan, J.M. Tiedje, and K. Nüsslein. 2015. Land-Use Change Shapes Archaeal Ammonia Oxidizing Communities in Tropical Rainforest Soils in Rondônia, Brazil. Applied and Environmental Microbiology Gordon Research Seminar and Conference, Mt. Holyoke College, South Hadley, MA.

Hamaoui Jr., G.S., J.L.M. Rodrigues, B.J. Bohannan, J.M. Tiedje, and K. Nüsslein. 2014. The Effect of Land Use Change on Ammonia Oxidizing Microbial Communities in Amazonian Rainforest and Pasture Soils. American Society for Microbiology annual meeting, Boston, MA.

Hamaoui Jr., G.S., S. Frey, J. Tang, and K. Nüsslein. 2013. The Effects of Warming and Nitrogen Addition on Nitrogen Cycling Microbial Communities in a Temperate Forest Soil. Soil Ecology Society biannual meeting, Camden, NJ.

Publications

Hamaoui Jr. G.S., J.L.M. Rodrigues, B.J.M Bohannan, J.M. Tiedje, and K. Nüsslein. 2016. Land-use change drives abundance and community structure alterations of thaumarchaeal ammonia oxidizers in tropical rainforest soils in Rondônia, Brazil. Appl. Soil Ecol. 107:48-56.

 http://dx.doi.org/10.1016/j.apsoil.2016.05.012

http://www.pnas.org/lookup/suppl/doi:10.1073/pnas.1220608110

 

Rodrigues, J.L.M., V.H. Pellizari, R. Mueller, K. Baek, E. da C. Jesus, F. S. Paula, B. Mirza, G.S. Hamaoui Jr., S.M. Tsai, B. Feigl, J. M. Tiedje, B.J.M. Bohannan, and K. Nüsslein. 2013. Conversion of the Amazon rainforest to agriculture results in biotic homogenization of soil bacterial communities. P. Natl. Acad. Sci. USA 110:988-993.

http://www.pnas.org/lookup/suppl/doi:10.1073/pnas.1220608110

 

 

Contact Information

George.Hamaoui@mcla.edu

Office: Bowman 309

413.662.5169

https://twitter.com/ghamaoui

 

Education

Ph.D. in Microbiology, in progress, University of Massachusetts-Amherst, 2016

B.A. in Microbiology, Ohio Wesleyan University, 2007

 

Courses Taught

BIOL 150: Introduction to Biology Laboratory

BIOL 150-01: Introduction to Biology I: Cells

Student Research Assistant