Faculty

Dr. Dubravko Justic

Professor and Director

Ph.D. University of Zagreb (Biological Oceanography) 1989

M.S. University of Zagreb (Ecology) 1984

B.S. University of Zagreb (Biology) 1981

 

Research Interests

Ecosystem modeling and analysis

Coastal marine eutrophication

Hypoxia

Impacts of climate change on coastal ecosystems

Recent Publications

Justic, D., Rabalais, N.N., Turner, R.E. 2005. Coupling between climate variability and marine coastal eutrophication: Historical evidence and future outlook. Journal of Sea Research 54: 25-35.

Lane, R. R, Day, J. W., Jr., Justic, D., Reyes, E., Marx, B., Day, J. N., Hyfield, E. 2004. Changes in stoichiometric Si, N and P ratios of Mississippi River water diverted through coastal wetlands to the Gulf of Mexico. Estuarine Coastal and Shelf Science 60: 1-10.

Scavia, D., Justic, D., Bierman, V. J., Jr. 2004. Reducing hypoxia in the Gulf of Mexico: advice from three models. Estuaries 27: 419-425.

Wiseman, W. J., Jr., Rabalais, N. N., Turner, R. E., Justic, D. 2004. Hypoxia and the physics of the Louisiana Coastal Current, p. 359-372. In: Dying and Dead Seas – Climatic Versus Anthropogenic Causes, J. C. Nihoul, P. O. Zavialov and P. P. Micklin (Eds.), Kluwer Academic Publishers, Dordrecht.

Justic, D., Rabalais, N.N., Turner, R.E. 2003. Simulated responses of the Gulf of Mexico hypoxia to variations in climate and anthropogenic nutrient loading. Journal of Marine Systems 42: 115-126.

Justic, D., Turner, R.E., Rabalais, N.N. 2003. Climatic influences on riverine nitrate flux: implications for coastal marine eutrophication and hypoxia. Estuaries 26: 1-11.

Scavia, D., Rabalais, N.N., Turner, R.E., Justic, D., Wiseman, W.J., Jr. 2003. Predicting the responses of the Gulf of Mexico hypoxia to variations in the Mississippi River nitrogen load. Limnology and Oceanography 48: 951-956.

Turner, R.E., Rabalais, N.N., Justic, D., Dortch, Q. 2003. Global patterns of dissolved N, P and Si in large rivers. Biogeochemistry 64: 297-317.

Perez, B.C., Day, J.W., Justic, D., Twilley, R.R. 2003. Nitrogen and phosphorus transport between Fourleague Bay , LA , and the Gulf of Mexico : the role of winter cold fronts and Atchafalaya River discharge. Estuarine, Coastal and Shelf Science 56: 1-18.

Justic, D., Rabalais, N.N., Turner, R.E. 2002. Modeling the impacts of decadal changes in riverine nutrient fluxes on coastal eutrophication near the Mississippi River delta. Ecological Modelling 152: 33-46.

Turner, R.E., Dortch, Q., Justic, D., Swenson, E.M. 2002. Nitrogen loading into an urban estuary: Lake Pontchartrain ( Louisiana , U.S.A. ). Hydrobiologia 487: 137-152.

Rabalais, N.N., Turner, R.E., Dortch, Q., Justic, D., Bierman, V.J., Jr., Wiseman, W.J., Jr. 2002. Nutrient-enhanced productivity in the northern Gulf of Mexico : past, present and future. Hydrobiologia 475/476: 39-63.

Current Projects

MULTISTRESS: Cumulative Coastal Stressors: Northern Gulf of Mexico, National Oceanic and Atmospheric Administration/Coastal Ocean Program, September 2002 - August 2007, Co-Principal Investigator, with R. E. Turner, D. M. Baltz, D. Braud, B. Fry, M. Inoue, I. A. Mendelssohn, C. Sasser, E. M. Swenson, J. Visser, B. Wissel, N. N. Rabalais, Q. Dortch and S. C. Farber.

NUMAN - Utilizing Mississippi River Diversions for Nutrient Management in a Louisiana Coastal Watershed, U.S. Department of Agriculture/U.S. Environmental Protection Agency, September 2002 - August 2005, Co-Principal Investigator, with J. Day, J. Cable, E. Reyes and R. Twilley.

Box Model/Water Quality Development (CLEAR Task 3.5), Coastal Louisiana Ecosystem Assessment and Restoration/ LA DNR, January 2005 - June 2005, Principal Investigator, with E. Swenson and V. Rivera-Monroy.

Modeling the Impacts of Pulsed Riverine Diversions on Water Quality in the Breton Sound Estuary, LA, CREST, July 2005 - June 2006, Principal Investigator, with H. Mashriqui and G. P. Kemp.

Modeling coastal processes and landscape dynamics in the Louisiana delta plain for a 50 year modeling horizon, Governor's applied coastal research and development program (GACRDP), Co-Principal Investigator, with J. Visser, G. P. Kemp, H. Mashriqui, and V. Aravamuthan, September 2004 - August 2006.

Graduate Students

Zoraida J. Quinoñes-Rivera, Ph.D. candidate - Assessment of oxygen sources and sinks in the Gulf of Mexico hypoxic zone using stable isotopes.

Alisa F. Maier Brown, Ph.D. candidate - Nutrient limitation and phytoplankton species composition in the Mississippi River plume.

Anindita Das, Ph.D. candidate - Pulsed riverine Inflows and eutrophication in a deltaic estuary.

Contact Information

Dr. Dubravko Justic
Director, Coastal Ecology Institute
Professor, Department of Oceanography & Coastal Sciences
School of the Coast & Environment
Louisiana State University
2221 Energy, Coast & Environment Bldg.
Baton Rouge, LA 70803
Tel: (225) 578-6394; Fax: (225) 578-6326
E-mail: djusti1@lsu.edu