Dr. M. J. Dagg 2017-02-16T04:13:06+00:00


Dr. M. J. Dagg
Retired, Research Professor

Mailing Address:
Louisiana Universities Marine Consortium
DeFelice Marine Center
8124 Highway 56
Chauvin, Louisiana 70344

Phone: 985-851-2800

Educational Background

  • Ph.D., 1975, Biological Oceanography
    University of Washington, USA
  • M.S., 1969
    Univeristy of Victoria, Canada
  • B.A., 1966
    Mount Allison Universitiy, Canada

Research Interests

  • Zooplankton Processes in the Ocean
  • Climate Change and the Ocean

Current Projects

  • Long-term Estuary Assessment Group (LEAG): Science in Service of Policy in the Mississippi River / Gulf of Mexico Estuary
  • Responses of the Neocalanus spp.- microplankton community to physical forcing in the coastal Gulf of Alaska
    See Website:http://globec.coas.oregonstate.edu/groups/nep/index.html
  • Links between climate and planktonic food webs


  • Zooplankton Ecology
  • Biological Oceanography
  • Climate Change and the Ocean


  • Dagg, M., J. Ammerman, R. Amon, W. Gardner, R. Green and S. Lohrenz. 2007. Review of water column processes influencing hypoxia in the northern Gulf of Mexico. Estuaries and Coasts 30: 735-752.
  • Dagg, M.J., H. Liu, and A.C. Thomas. 2006. Effects of mesoscale phytoplankton variability on the copepods Neocalanus flemingeri and N. plumchrus in the coastal Gulf of Alaska. Deep-Sea Res. I 53: 321-332.
  • Green, R.E., T.S. Bianchi, M.J. Dagg, N.D. Walker and G.A. Breed. 2006. An organic carbon budget for the Mississippi River turbidity plume and plume contributions to air-sea CO2 fluxes and bottom-water hypoxia. Estuaries 29: 579-597.
  • Liu, H., M.J. Dagg and S. Strom. 2005. Grazing by the calanoid copepod Neocalanus cristatus on the microbial foodweb in the coastal Gulf of Alaska. J. Plankton Res. 27: 647-662.
  • Dagg, M. J., T. S. Bianchi, G. A. Breed, W. J. Cai, S. Duan, H. Liu, B. A. McKee, R. T. Powell, and C. M. Stewart. 2005. Biogeochemical characteristics of the lower Mississippi River, USA, during June 2003. Estuaries. 28: 664-674.
  • Liu, H., M. J. Dagg, C. J. Wu, and K. P. Chiang. 2005. Mesozooplankton consumption of microplankton in the Mississippi River plume, with special emphasis on planktonic ciliates. Mar. Ecol. Prog. Ser. 286: 133-144.