Ecosystems Research Division

Biographical Information

Contact Information:
voice: 706-355-8113
fax: 706-355-8104
molina.marirosa@epa.gov

Education:
Ph.D. 2001, Ecology, University of Georgia
M.S. 1994, Microbiology, University of Georgia
B.S. 1985, Industrial Microbiology, University of Puerto Rico

Expertise/Research Interestes:
Microbial ecology; diversity and structure of microbial communities;
role of microbial communities on the dynamics of carbon and nutrient cycling in soils and sediments;
use of microbial indicators to determine the impact of land use changes on the health of aquatic ecosystems.

Professional Activities:
American Society for Microbiology.
American Society of Limnology and Oceanography

Select Publications:

• Shi, W., M.Y. Sun, M. Molina, and R. E. Hodson. 2001. Variability in lipid biomarker distribution and their molecular isotopic composition in Altamaha estuarine sediments: Implication for the relative contribution of organic matter from various sources. Org. Geochem. 32:453-467.

• Kastner JR, J Santo Domingo, M Denham, M Molina, R Brigmon. 2000. Effect of Chemical Oxidation on Subsurface Microbiology and Trichloroethene (TCE) Biodegradation. Bioremediation Journal. 4(3):219-236

• Molina, M., R. Araujo, and R.E. Hodson. 1999. Cross- induction of pyrene and phenanthrene in a Mycobacterium sp. isolated from polycyclic aromatic hydrocarbon contaminated river sediments. Canadian Journal of Microbiology. 45 (6):520-529.

• Molina, M., R. Araujo, and J. Bonds. 1995. Dynamics of oil degradation in coastal environments: effects of bioremediation products and some environmental parameters, p.31-33. In the Proceedings of the Symposium on Bioremediation of Hazardous Wastes: Research, Development, and Field Evaluations. Rye Brook, NY. Office of Research and Development, Washington DC. EPA/600/R-95/076.

• Araujo, R., M. Molina, D. Bachoon, and L. La PLante. 1994. Biodegradation of petroleum hydrocarbons in wetlands microcosms, p.194-200. In the Proceedings of the Symposium on Bioremediation of Hazardous wastes: Research, Development and Field Evaluations. San Francisco, CA. Office of Research and Development, U.S. EPA, Washington, DC. EPA/600/R-94/075.

Current Projects:
Global Change Program, Microbial indicators of the impact of land use changes on aquatic and terrestrial ecosystems.

Large Scale Biosphere Atmosphere Experiment in Amazonia (LBA), Impacts of land use change on nutrient and carbon cycles and trace gas exchange in soils of Savannas of Central Brazil.