[1999] [2000] [2001] [2003] [2004] [2005] [2006] - 2007 - [2008] [2009] [2010] [2011] [2012] [in press]
- De Pol-Holz, R., O. Ulloa, F. Lamy, L. Dezileau, P. Sabatier & D. Hebbeln. Late Quaternary variability of sedimentary nitrogen isotopes in the eastern South Pacific Ocean. Paleoceanography, 22, PA2207, doi:10.1029/2006PA001308, 2007.
- Grob, C., O. Ulloa, W. K. W. Li, G. Alarcón, M. Fukasawa & S. Watanabe. Picoplankton abundance and biomass across the eastern South Pacific Ocean along latitude 32.5°S. Marine Ecology Progress Series, 332, 53-62, 2007.
- Grob, C., O. Ullloa, H. Claustre, Y. Huot, G. Alarcón & D. Marie. Contribution of picoplankton to the total particulate organic carbon concentration in the eastern South Pacific. Biogeosciences, 4, 837-842, 2007.
- Lami, R., M. T. Cottrell, J. Ras, O. Ulloa, I. Obernosterer, H. Claustre, D. L. Kirchman & P. Lebaron. High abundances of aerobic anoxygenic photosynthetic bacteria in the South Pacific Ocean. Applied and Environmental Microbiology, 73, 4198-4205, 2007.
- Molina, V., O. Ulloa, L. Farías, H. Urrutia, S. Ramírez, P. Junier & K.-P. Witzel. Ammonia-oxidizing ß-proteobacteria from the oxygen minimum zone off northern Chile. Applied and Environmental Microbiology, 73, 3547-3555, 2007.