photo of sibelSibel Bargu Ates

Position: Associate Dean of Academics, CC&E and Shell Professor in Oceanography/Wetland Studies, Department of Oceanography & Coastal Sciences

Phone: 225-578-0029

Fax: 225-578-6326


Office: 1235 Energy, Coast and Environment

Bachelor's Degree(s): Istanbul University, 1994

Master's Degrees(s): University of California at Santa Cruz, 1998

Ph.D.(s): University of California at Santa Cruz, 2001

Research Interests:

Freshwater, Estuarine and Marine Phytoplankton Ecology, Harmful Algal Blooms and Food Web Contamination, Phytoplankton-Zooplankton Interactions, Global Climate Change.

Classes Taught:

OCS 1005 – Introduction to Oceanography
OCS 4550 – Biological Oceanography
OCS 7310– Harmful Algal Blooms


Professional Affiliations and Service Activities

2009 – Present  The Oceanography Society (TOS)

2006 – Present  International Society for the Study of Harmful Algae (ISSA)

2001 – Present  American Society of Limnology and Oceanography (ASLO)

Selected Publications:

*=lead author is a student or postdoctoral scholar of S. Bargu Ates

Carlson, S.G.D., M.H. Manhein, S. Bargu. In Review. Using Algae to Estimate Postmortem Submersion Interval in a Louisiana Bayou. Journal of Forensic Sciences

*Ozhan, K., S.M. Miles, H. Gao, S. BarguIn Review. Relative physiological responses ofphytoplankton in the northern Gulf of Mexico to crude oil and to a dispersant. Environmental Monitoring and Assessment

Baustian, M. M., S. Bargu, W. Morrison, C. Sexton, N. N. Rabalais. In Review. Benthic-pelagic coupling of potentially toxic Pseudo-nitzschia on the Louisiana continental shelf. Hydrobiologia.

Fabre, J.B., S.J. Bentley, N.D. Walker, E.A. Smith*, J.R. White, C. Li, S. Bargu, E.D. Roy, and L. Rouse. In Review. Capturing mud from Big Muddy: the 2011 Mississippi River Flood and Bonnet Carré Spillway as a large river-diversion analog. Marine Geology.

*Ozhan, K. S. Bargu. Accepted. Can Crude Oil Toxicity on Phytoplankton Be Predicted Based on Toxicity Data on Benzo(A)Pyrene and Naphthalene? Bulletin of Environmental Contamination and Toxicology

Li, C., J. R. White, S. Bargu. In Press. On the Calculation of the Flux of Materials through Wetlands and Estuaries under Oscillatory Motions, submitted to “Biogeochemistry of Wetlands”, Editors: K.R. Ramesh Reddy, Patrick Megonigal, and Ron Delund, Soil Science Society of America, submitted March 17, 2012.

Roy, E.D., J.R. White, E.A. Smith*, S. Bargu, and C. Li. 2013. Estuarine Ecosystem Response to Three Large-scale Mississippi River Flood Diversion Events. Science of the Total Environment 458-460: 374-387.

*Smith, E.A., and S. Bargu. 2012. Algae: the good, the bad. LSU-G-12-002:  Fact sheet.

*Galván, K., S. Bargu, J. R. White, C. Li, M. Sullivan, E. Weeks. 2012. The effects of two consecutive hurricanes on basal food resources in a shallow coastal lagoon in Louisiana. Journal of Coastal Research, doi: 10.2112/JCOASTRES-11-00009.1

Roy, E.D., N. T.Nguyen, S.Bargu, and J. R. White. 2012. Internal loading of phosphorus from sediments of Lake Pontchartrain and implications for eutrophication. Hydrobiologia, doi: 10.1007/s10750-011-0969-9.

Bargu, S., T. Goldstein, K. Roberts, F. Gulland.  2012. Pseudo-nitzschia blooms, domoic acid and related California sea lion strandings in Monterey Bay, California. Marine Mammal Science. 27: no. doi: 10.1111/j.1748-7692.2011.00480.x. 

Bargu, S., M. W. Silver, M. D. Ohman, C. Benitez-Nelson, D. L. Garrison. 2012. Mystery behind Hitchcock’s birds. Nature Geoscience (peer reviewed correspondence), 5: 2 – 3, doi:10.1038/ngeo1360.

Bargu, S., E. Smith*, K. Ozhan*. 2011. Toxic diatom Pseudo-nitzschia and its primary consumers (vectors). In: The Diatom World, (eds.) P. Kociolek, J. Seckbach. Springer, 493 – 512.

Li, C., J. R. White, C. Chen, H. Lin, E. Weeks, K. Galvan*, S. Bargu. 2011. Summertime tidal flushing of Barataria Bay: Transports of water and suspended sediments. Journal of Geophysical Research – Oceans, 116: C04009, doi: 10.1029/2010JC006566.

Bargu, S., J. White, C. Li, J. Czubakowski*, W. Fulweiler. 2011. The progressive changes on nutrients, phytoplankton biomass and toxin production in an oligohaline estuarine lake after a short term river water pulse. Hydrobiologia, 66: 377 – 389.

Bargu, S., M.W. Silver, T. Goldstein, K. Roberts, F. Gulland. 2010. Climate events, foraging patterns, and toxic blooms: complexity of domoic acid-related sea lion strandings in Monterey Bay, California. Marine Ecology Progress Series, 418: 213 – 222.

Silver, M. W., S. Bargu, S. L. Coale, C. R. Benitez-Nelson, A. C. Garcia*, K. J. Roberts, E. Sekula-Wood, K. W. Bruland, K. H. Coale. 2010. Toxin-producing diatoms in natural and iron-fertilized oceanic communities: The ubiquitous presence of domoic-acid producing Pseudo-nitzschia. Proceedings of the National Academy of Sciences, 107: 20762 – 20767.

*Del Rio, R., S. Bargu, D. Baltz, S. Fire, G. Peterson, Z. Wang. 2010. Gulf menhaden (Brevoortia patronus): A potential vector of domoic acid in coastal Louisiana food webs. Harmful Algae, 10: 19 – 29.

*Garcia, A.C., S. Bargu, P. Dash, N. Rabalais, M. Sutor, W. Morrison, N. Walker. 2010. Evaluating the potential risk of microcystins to blue crab (Callinectes sapidus) fisheries and human health in a eutrophic estuary. Harmful Algae, 9: 134 – 143.

White, J.R., R.W. Fulweiler, C.Y. Li, S. Bargu, N. Walker, R.R. Twilley, S. Green. 2009. The Mississippi River flood of 2008 – effects of a large freshwater diversion on physical, chemical and biological characteristics of a shallow, estuarine lake. Environmental Science and Technology, 43: 5599 – 5604.

Goldstein, T., T.S. Zabka, R.L. DeLong, E.A. Wheeler, G. Ylitalo, S. Bargu, M.Silver, T. Leighfield, F.Van Dolah, G. Langlois,  I. Sidor, J.L. Dunn, F.M.D. Gulland. 2009. The role of domoic acid in abortion and premature parturition of California sea lions (Zalophus californianus) on San Miguel Island, California. Journal of Wildlife Diseases, 45: 91 – 108.

Bargu, S., C. Powell, Z. Wang, G. Doucette, M. W. Silver. 2008. Note on the occurrence of Pseudo-nitzschia australis and domoic acid in squid from Monterey Bay, California (USA). Harmful Algae, 7: 45 – 51.

Goldstein, T., J.A.K. Mazet, T.S. Zabka, G. Langlois, K.M. Colegrove, M. Silver, S. Bargu,F. Van Dolah, T. Leighfield, P.A. Conrad, J. Barakos, D. C. Williams, S. Dennison, M.A. Haulena, F.M.D.  Gulland. 2007. Novel symptomatology and changing epidemiology of domoic acid toxicosis in California sea lions (Zalophus californianus): an increasing risk to marine mammal health. Proceedings of the Royal Society B: Biological Sciences,275: 267 – 276.

Bargu, S., K. Lefebvre, M. W. Silver. 2006. Dissolved domoic acid reduces the grazing rate in krill Euphausia pacifica. Marine Ecology Progress Series, 312: 169 – 175.

Bargu, S., T. Koray, N. Lundholm (2004) First report of Pseudo-nitzschia calliantha Lundholm, Moestrup & Hasle 2003, a new potentially toxic species from Turkish Coasts. E.U. Journal of Fisheries & Aquatic Sciences, 19 (3-4): 479-483.

Bargu, S. (2004) An alternative preparation method for studying diatom frustules using Scanning Electron Microscopy (SEM). E.U. Journal of Fisheries & Aquatic Sciences, 19 (1-2): 183 – 187 (in Turkish).

Bargu, S., M. Silver (2003) Field evidence of krill grazing on the toxic diatom genus Pseudo-nitzschia in Monterey Bay, California. Bull. Mar. Sci., 72: 629-638.

Bargu, S., B. Marinovic, Mansergh S, M. Silver (2003) Feeding responses of krill to the toxin-producing diatom Pseudo-nitzschia.  J Exp. Mar. Biol. Ecol.,284: 87-104.

Bargu, S., C. Powell, S. Coale, M. Busman, G. Doucette, M. Silver (2002) Krill: a potential vector for domoic acid in marine food webs. Mar. Ecol. Prog. Ser., 237: 209-216.

Lefebvre, K. A., S. Bargu, T. Kieckhefer, M.W. Silver (2002) From sanddabs to blue whales: the pervasiveness of domoic acid. Toxicon, 40: 971-977.