F. A. Armstrong, C. R. Stearns, and J. D. Strickland, The measurement of upwelling and subsequent biological processes by means of the Technicon AutoAnalyzer and associated equipment, Deep Sea Res, vol.14, issue.3, pp.381-389, 1967.

K. R. Arrigo, Marine micro-organisms and global nutrient cycles, Nature, issue.7057, pp.437-349, 2005.
DOI : 10.1038/nature04159

M. J. Behrenfeld and Z. S. Kolber, Widespread Iron Limitation of Phytoplankton in the South Pacific Ocean, Science, vol.283, issue.5403, pp.840-843, 1999.
DOI : 10.1126/science.283.5403.840

M. J. Behrenfeld, K. Worthington, and R. M. Sherell, Controls on tropical Pacific Ocean productivity revealed through nutrient stress diagnostics, Nature, vol.38, issue.7106, pp.1025-1028, 2006.
DOI : 10.1029/2004GB002299

S. Blain, S. Bonnet, C. S. Guieu, and C. Guieu, Dissolved iron distribution in the tropical and sub tropical Southeastern Pacific, Biogeosciences Discuss Dissolution of atmospheric iron in seawater, Geophys. Res. Lett, vol.4, pp.2845-2875, 1029.

S. Bonnet, C. Guieu, and J. Chiaverini, Effect of atmospheric nutrients on the autotrophic communities in a low nutrient, low chlorophyll system, Limnology and Oceanography, vol.50, issue.6, pp.1810-1819, 2005.
DOI : 10.4319/lo.2005.50.6.1810

S. Bonnet, The role of atmospheric iron in oligotrophic environments, 2005.

P. W. Boyd, A. J. Watson, and C. S. Law, A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization, Nature, vol.407, issue.6805, pp.695-702, 2000.
DOI : 10.1038/35037500

E. Boyle, B. A. Bergquist, R. A. Kayser, and N. Mahowald, Iron, manganese, and lead at Hawaii Ocean Time-series station ALOHA: Temporal variability and an intermediate water hydrothermal plume, Geochimica et Cosmochimica Acta, vol.69, issue.4, pp.933-952, 2005.
DOI : 10.1016/j.gca.2004.07.034

L. Campbell and D. Vaulot, Photosynthetic picoplankton community structure in the subtropical North Pacific Ocean near Hawaii (station ALOHA).Deep-Sea Res, pp.2043-2060, 1993.

D. G. Capone, J. A. Burns, and J. P. Montoya, New nitrogen input to the tropical North Atlantic Ocean by nitrogen fixation by the cyanobacterium, Trichodesmium spp, Global Biogeoch. Cy, pp.10-1029, 2005.

M. J. Church, B. D. Jenkins, D. M. Karl, and J. P. Zehr, Vertical distributions of nitrogen-fixing phylotypes at Stn Aloha in the oligotrophic North Pacific Ocean, Aquatic Microbial Ecology, vol.38, issue.1, pp.3-14, 2005.
DOI : 10.3354/ame038003

H. Claustre and S. Maritorena, OCEAN SCIENCE: The Many Shades of Ocean Blue, Science, vol.302, issue.5650, pp.1514-1515, 2003.
DOI : 10.1126/science.1092704

C. Deutsch, J. L. Sarmiento, and D. M. Sigman, Spatial coupling of nitrogen inputs and losses in the ocean, Nature, vol.65, issue.7124, pp.163-167, 2007.
DOI : 10.1016/S0967-0637(01)00056-5

J. E. Dore, J. R. Brum, L. M. Tupas, K. , and D. M. , Seasonal and interannual variability in sources of nitrogen supporting export in the oligotrophic subtropical North Pacific Ocean, Limnology and Oceanography, vol.47, issue.6, pp.1595-1607, 2002.
DOI : 10.4319/lo.2002.47.6.1595

R. C. Dugdale and F. P. Wilkerson, The use of 15N to measure nitrogen uptake in eutrophic oceans, experimental conditions

S. Bonnet, The nutritional status of the South East Pacific nol, Oceanogr, vol.31, pp.673-689, 1986.

S. Emerson, P. Quay, and D. Karl, Experimental determination of the organic carbon flux from open-ocean surface waters, Nature, vol.389, issue.6654, pp.951-954, 1997.
DOI : 10.1038/40111

W. J. Emery and J. Meincke, Global water masses: summary and review, Oceanol. Acta, vol.9, pp.383-391, 1986.

P. G. Falkowski, M. E. Katz, and A. H. Knoll, The Evolution of Modern Eukaryotic Phytoplankton, Science, vol.305, issue.5682, pp.354-360, 2004.
DOI : 10.1126/science.1095964

P. G. Falkowski, R. T. Barber, and V. Smetacek, Biogeochemical Controls and Feedbacks on Ocean Primary Production, Science, vol.281, issue.5374, pp.200-206, 1998.
DOI : 10.1126/science.281.5374.200
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.477.159

P. G. Falkowski, Evolution of the nitrogen cycle and its influence on the biological sequestration of CO2 in the ocean, Nature, vol.387, issue.6630, pp.272-275, 1997.
DOI : 10.1038/387272a0

J. G. Geider, L. Roche, and J. , The role of iron in phytoplankton photosynthesis, and the potential for iron-limitation of primary productivity in the sea, Photosynthesis Research, vol.45, issue.3, pp.275-301, 1994.
DOI : 10.1007/BF00014588

C. Guieu, M. Lo¨yelo¨ye-pilot, C. Ridame, T. , and C. , Chemical characterization of the Saharan dust end-member; some biological implications for the western Mediterranean, J. Geophys. Res, vol.1074258, issue.D15, pp.10-1029, 2002.

M. Y. Gorbunov and P. G. Falkowski, Fluorescence Induction and Relaxation (FIRe) Technique and Instrumentation for Monitoring Photosynthetic Processes and Primary Production in Aquatic Ecosystems Photosynthesis: Fundamental Aspects to Global Perspectives, A, pp.1029-1031, 2005.

M. R. Holmes, A. Aminot, R. Kerouel, B. A. Hooker, and J. B. Peterson, A simple and precise method for measuring ammonium in marine and freshwater ecosystems, Can, J.FishAquat. Sci, vol.56, pp.1801-1808, 1999.

D. M. Karl, R. Letelier, and L. Tupas, The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean, Nature, vol.388, issue.6642, pp.533-538, 1997.
DOI : 10.1038/41474

D. M. Karl, Nutrient dynamics in the deep blue sea, Trends in Microbiology, vol.10, issue.9, pp.410-418, 2002.
DOI : 10.1016/S0966-842X(02)02430-7

D. Karl, A. Michaels, B. Bergman, D. Capone, E. Carpenter et al., Dinitrogen Fixation in the World's Oceans, Biogeochem, pp.47-98, 2002.

H. Katoh, N. Hagino, A. R. Grossman, and T. Ohawa, Genes Essential to Iron Transport in the Cyanobacterium Synechocystis sp. Strain PCC 6803, Journal of Bacteriology, vol.183, issue.9, pp.2779-2784, 2001.
DOI : 10.1128/JB.183.9.2779-2784.2001

Z. Kolber, O. Prasil, and P. Falkowski, Measurements of variable chlorophyll fluorescence using fast repetition rate techniques: defining methodology and experimental protocols, Biochimica et Biophysica Acta (BBA) - Bioenergetics, vol.1367, issue.1-3, pp.88-106, 1998.
DOI : 10.1016/S0005-2728(98)00135-2

A. B. Kustka, E. J. Carpenter, S. Sañudo-wilhelmy, and W. G. Sunda, (IMS 101): Comparison with nitrogen fixation rates and iron: carbon ratios of field populations, Limnology and Oceanography, vol.48, issue.5, pp.1869-1884, 2003.
DOI : 10.4319/lo.2003.48.5.1869

D. Marie, F. Partensky, and N. Simon, Flow cytometry analysis of marine picoplankton. living colors: protocols in flow cytometry and cell sorting, pp.421-454, 2000.

M. M. Mills, C. Ridame, and M. Davey, Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic, Nature, vol.60, issue.6989, pp.292-294, 2004.
DOI : 10.1023/A:1015798105851
URL : https://hal.archives-ouvertes.fr/hal-00166836

J. P. Montoya, M. Voss, P. Kaehler, C. , and D. G. , A simple, high precision tracer assay for dinitrogen fixation, App. Environ. Microb, vol.62, pp.986-993, 1996.

J. K. Moore, S. C. Doney, D. M. Glover, and I. Y. Fung, Iron cycling and nutrient-limitation patterns in surface waters of the World Ocean, Deep-Sea Research Part II-Topical Studies in Oceanography, pp.463-507, 2002.

T. Moutin and P. Raimbault, Primary production, carbon export and nutrients availability in western and eastern Mediterranean Sea in early summer 1996 (MINOS cruise), Journal of Marine Systems, vol.33, issue.34, pp.33-34, 2002.
DOI : 10.1016/S0924-7963(02)00062-3

T. Moutin, D. M. Karl, S. Duhamel, P. Rimmelin, P. Raimbault et al., Phosphate availability and the ultimate control of new nitrogen input by nitrogen fixation in the tropical Pacific Ocean, Biogeosciences Discussions, vol.4, issue.4, pp.2407-2440, 2007.
DOI : 10.5194/bgd-4-2407-2007
URL : https://hal.archives-ouvertes.fr/hal-00330336

H. Obata, H. Karatani, and E. Nakayama, Automated determination of iron in seawater by chelating resin concentration and chemiluminescence detection, Analytical Chemistry, vol.65, issue.11, pp.1524-1528, 1993.
DOI : 10.1021/ac00059a007

J. P. Parkhill, G. Maillet, and J. J. Cullen, FLUORESCENCE-BASED MAXIMAL QUANTUM YIELD FOR PSII AS A DIAGNOSTIC OF NUTRIENT STRESS, Journal of Phycology, vol.37, issue.4, pp.517-529, 2001.
DOI : 10.1046/j.1529-8817.2001.037004517.x

N. M. Price, The elemental stoichiometry and composition of an iron-limited diatom, Limnology and Oceanography, vol.50, issue.4, pp.1159-1171, 2005.
DOI : 10.4319/lo.2005.50.4.1159

K. G. Porter and Y. S. Feig, The use of DAPI for identifying and counting aquatic microflora1, Limnology and Oceanography, vol.25, issue.5, pp.943-948, 1980.
DOI : 10.4319/lo.1980.25.5.0943

P. Raimbault, G. Slawyk, B. Coste, and J. Fry, Feasibility of using an automated colorimetric procedure for the determination of seawater nitrate in the 0 to 100 nM range: Examples from field and culture, Marine Biology, vol.167, issue.2, pp.347-351, 1990.
DOI : 10.1007/BF01313277

P. Raimbault and N. Garcia, Carbon and nitrogen uptake in the South Pacific Ocean: evidence for efficient dinitrogen fixation and regenerated production leading to large accumulation of dissolved organic matter in nitrogen-depleted waters, Biogeosciences Discussions, vol.4, issue.5, pp.3531-3579, 2007.
DOI : 10.5194/bgd-4-3531-2007
URL : https://hal.archives-ouvertes.fr/hal-00330272

J. Ras, H. Claustre, and J. Uitz, Spatial variability of phytoplankton pigment distributions in the Subtropical South Pacific Ocean: comparison between in situ and predicted data, Biogeosciences Discussions, vol.4, issue.5, pp.3409-3451, 2007.
DOI : 10.5194/bgd-4-3409-2007
URL : https://hal.archives-ouvertes.fr/hal-00330697

J. A. Raven, The iron and molybdenum use efficiencies of plant growth with different energy, carbon and nitrogen sources, New Phytologist, vol.213, issue.3, pp.279-287, 1988.
DOI : 10.1038/329710a0

S. Sandström, A. G. Ivanov, and Y. Park, Iron stress responses in the cyanobacterium Synechococcus sp. PCC7942, Physiologia Plantarum, vol.63, issue.2, pp.255-26310, 2002.
DOI : 10.1016/0005-2728(87)90048-X

S. A. Sañudo-wihelmy, A. Kustka, B. Gobler, and C. J. , Phosphorus limitation of nitrogen fixation by Trichodesmium in the central Atlantic Ocean, Nature, pp.411-66, 2001.

P. Tréguer, L. Corre, and P. , Manuel d'analyse des sels nutritifs dans l'eau de mer. Utilisation de l'AutoAnalyser II Technicon, pp.1-110, 1975.

J. Uitz, H. Claustre, A. Morel, and S. Hooker, Vertical distribution of phytoplankton communities in open ocean: An assessment based on surface chlorophyll, Journal of Geophysical Research, vol.106, issue.C9, pp.10-1029, 2006.
DOI : 10.1029/2005JC003207

F. Van-wambeke, S. Bonnet, T. Moutin, P. Raimbault, G. Alarçon et al., Factors limiting heterotrophic bacterial production in the southern Pacific Ocean, Biogeosciences Discussions, vol.4, issue.5, pp.3799-3828, 2007.
DOI : 10.5194/bgd-4-3799-2007
URL : https://hal.archives-ouvertes.fr/hal-00290746

T. Wagener, C. Guieu, R. Losno, S. Bonnet, and N. Mahowald, Revisiting Atmospheric dust export to the South Hemisphere Ocean, Global Biogeochemical Cycles, pp.10-1029, 2007.

J. P. Zehr, J. B. Waterbury, and P. J. Turner, New nitrogenfixing unicellular cyanobacteria discovered in the North Pacific subtropical gyre, Nature, vol.412, issue.6847, pp.635-638, 2001.
DOI : 10.1038/35088063