Julia Uitz
Ph.D. student (2002-2006)
Contact information:
Phone: +33 (0)4 93 76 37 22
Fax: +33 (0)4 93 76 37 39
Education:
M.Sc. Marine Environment Sciences (2001-2002)
Laboratoire d’Océanographie de Villefranche, France
Dissertation topic: Distribution of the phytoplankton biomass in the World Ocean: Analysis of a HPLC pigment database
B.Sc. (Hons) Environmental Sciences (2000-2001)
Université de la Méditerranée, Marseille, France
Dissertation topic: Relationships between CO2 fluxes and meso-scale hydrological structures in the North Atlantic
B.Sc. in Earth Sciences (1999-2000)
Université de la Méditerranée, Marseille, France
Dissertation topic: Distribution of ultra-phytoplankton populations in the Almeria-Oran frontal structure using flow cytometry
 
 
Research interests:
Marine biogeochemistry and bio-optics, distribution of phytoplankton communities in the world ocean, variability of phytoplankton photo-physiological properties according to the community composition.
Publications:

    In revision

  • Uitz, J., Stramski, D., Dortenzio, F., Gentili, B., Claustre, H. (2011). Estimates of phytoplankton class-specific and total primary production in the Mediterranean Sea from satellite ocean color observations, in revision.
  • 2011

  • Brewin, R.J.W., N.J. Hartman-Mountford, S.J. Lavender, D.E. Raitsos, T. Hirata, J. Uitz, E. Devred, A. Bricaud, A.M. Ciotti and B. Gentili (2011). An intercomparison of bio-optical techniques for detecting dominant phytoplankton size class from satellite remote sensing. Remote Sensing of Environment, 115, 325–339. (Get PDF Reprint)
  • Saba V.S., M.A. M. Friedrichs, D.Antoine, R.A. Armstrong, I.Asanuma, M.J. Behrenfeld, A.M. Ciotti, M.Dowell, N. Hoepffner, K.J. W. Hyde, J. Ishizaka, T. Kameda, J. Marra, F. Mélin, A. Morel, J.O’Reilly, M. Scardi, W.O. Smith Jr., T.J. Smyth, S. Tang, J. Uitz, K. Waters, T.K. Westberry, 2011, An evaluation of ocean color model estimates of marine primary productivity in coastal and pelagic regions across the globe, Biogeosciences, 8, 489–503. (Get PDF Reprint)
  • 2010

  • Claustre, H., Bishop, J., Boss, E., Stewart, B., Berthon, J.-F., Coatanoan, C., Johnson, K., Lotiker, A., Ulloa, O., Perry, M.-J., Dortenzio, F., Hembise Fanton D’Andon, O. & J. Uitz (2010). "Bio-Optical Profiling Floats as New Observational Tools for Biogeochemical and Ecosystem Studies: Potential Synergies with Ocean Color Remote Sensing." in Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society (Vol. 2), Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306, doi:10.5270/OceanObs09.cwp.17 (Get PDF reprint)
  • Saba V.S., M A. M. Friedrichs, M.E. Carr, D. Antoine , R. A. Armstrong, I. Asanuma, O. Aumont, N.R. Bates, M.J. Behrenfeld , V. Bennington, L.Bopp, J.Bruggeman, E.T. Buitenhuis, M.J. Church, A.M. Ciotti, S.C. Doney, M.Dowell, J.Dunne, S.Dutkiewicz , W.Gregg, N.Hoepffner, K.J. W. Hyde, J.Ishizaka , T. Kameda, D.M. Karl, I.Lima, M.W. Lomas, J.Marra , G.A. McKinley, F.Mélin, J. K.Moore, A.Morel, J.O’Reilly , B. Salihoglu, M. Scardi, T.J. Smyth, S.Tang, J.Tjiputra, J. Uitz , M.Vichi, K.Waters, T.K. Westberry and A.Yool (2010). The challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT, Global Biogeochemical Cycles, 24, GB3020, doi:10.1029/2009GB003655. (Get PDF Reprint)
  • Uitz, J., Claustre, H., Gentili, B. and D. Stramski (2010). Phytoplankton class-specific primary production in the world’s oceans: Seasonal and interannual variability from satellite observations. Global Biogeochemical Cycles, Vol. 24, No. 3, GB3016, doi: 10.1029/2009GB003680. (Get PDF Reprint)
  • 2009

  • Liu, H., Probert, I., Uitz, J., Claustre, H., Aris-Brosou,S., Frada, M., Not, F. and C. de Vargas (2009). Haptophyta rule the waves: Extreme oceanic biodiversity in non-calcifying prymnesiophytes explains the 19-Hex paradox. Proceedings of the National Academy of Science, doi/10.1073/pnas.0905841106 (Get PDF Reprint) (sup. material)
  • Uitz, J., H. Claustre, N. Garcia, F.B. Griffiths, J. Ras and V. Sandroni (2009). A phytoplankton class-specific primary production model applied to the Kerguelen Islands region (Southern Ocean). Deep-Sea Research I, doi:10.1016/j.dsr.2008.11.006.
  • 2008

  • Belviso, S., L. Bopp, J. Mosseri, M. Tedetti, N. Garcia, B. Griffiths, F. Joux, I. Obernosterer, J. Uitz, and M. J. W. Veldhuis (2008). Effect of natural iron fertilisation on the distribution of DMS and DMSP in the Indian sector of the Southern Ocean, Deep-Sea Research Part Ii-Topical Studies in Oceanography, 55(5-7), 893-900.
  • Ras, J, Uitz, J, and H. Claustre (2008). Spatial variability of phytoplankton pigment distributions in the Subtropical South Pacific Ocean: comparison between in situ and modelled data. Biogeosciences, 5, 353-369 Access to paper on line
  • Silió-Calzada, A., Bricaud, A., Uitz, J. and B. Gentili (2008). Estimation of new primary production in the Benguela upwelling area, using ENVISAT satellite data and a model dependant on the phytoplankton community size structure. Journal of Geophysical Research, 113, C11023, doi:10.1029/2007JC004588, (Get PDF Reprint).
  • Timmermans, K. R., H. J. van der Woerd, M. R. Wernand, M. Sligting, J. Uitz, and H. J. W. de Baar (2008), In situ and remote-sensed chlorophyll fluorescence as indicator of the physiological state of phytoplankton near the Isles Kerguelen (Southern Ocean), Polar Biology, 31(5), 617-628.
  • Uitz, J., Huot, Y., Bruyant, F., Babin, M. and H. Claustre (2008) Relating phytoplankton photophysiological properties to community structure on large scale, Limnology and Oceanography, 53(2), 614-630 (Get PDF Reprint).
  • 2006

  • Uitz, J., Claustre, H., Morel, A., Hooker, S. (2006). Vertical distribution of phytoplankton communities in open ocean: an assessment based on surface chlorophyll . Journal of Geophysical Research, 111, (C08005, doi:10.1029/2005JC003207).(Get PDF Reprint).
  • 2005

  • Le Quéré, C. S. P. Harrison, I. C. Prentice, E. T. Buitenhuis, O. Aumont, L. Bopp, H. Claustre, L. Cotrim da Cunha, R. Geider, X. Giraud, C. Klaas, K. E. Kohfeld, L. Legendre, M. Manizza, T. Platt, R. B. Rivkin, S. Sathyendranath, J. Uitz, A. J. Watson and D. Wolf-Gladrow (2005). Ecosystem dynamics based on plankton functional types for global ocean biogeochemistry models, Global Change Biology, 11, 2016–2040, doi: 10.1111/j.1365-2486.2005.01004.x (Get PDF Reprint)
  • Maixandeau, A.,Lefèvre, D.,Karayanni, H.,Christaki, U.,Van wambeke, F.,Thyssen, M.,Denis, M.,Fernández i., F.,Uitz, J.,Leblanc, K. and B. Quéguiner (2005). Microbial community production, respiration, and structure of the microbial food web of an ecosystem in the northeastern Atlantic Ocean. Journal of Geophysical research, 110, C07S17, doi:10.1029/2004JC00269 (Get PDF Reprint)
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