A. L. Alldredge and C. Gotschalk, In situ settling behavior of marine snow, DTIC Document, 1988.

C. R. Bern, M. A. Brzezinski, C. Beucher, K. Ziegler, C. et al., Weathering, dust, and biocycling effects on soil silicon isotope ratios, Geochimica et Cosmochimica Acta, vol.74, issue.3, pp.876-889, 2010.
DOI : 10.1016/j.gca.2009.10.046

C. Beucher, P. Tréguer, A. Hapette, R. Corvaisier, N. Metzl et al., Intense summer Si-recycling in the surface Southern Ocean, Geophysical Research Letters, vol.17, issue.C12, pp.10-1029, 2004.
DOI : 10.1029/2003GL018998

URL : https://hal.archives-ouvertes.fr/hal-01205943

C. P. Beucher, M. A. Brzezinski, and J. L. Jones, Sources and biological fractionation of Silicon isotopes in the Eastern Equatorial Pacific, Geochimica et Cosmochimica Acta, vol.72, issue.13, pp.3063-3073, 2008.
DOI : 10.1016/j.gca.2008.04.021

C. P. Beucher, M. A. Brzezinski, and J. L. Jones, Mechanisms controlling silicon isotope distribution in the Eastern Equatorial Pacific, Geochimica et Cosmochimica Acta, vol.75, issue.15, pp.4286-4294, 2011.
DOI : 10.1016/j.gca.2011.05.024

S. Blain, B. Queguiner, L. Armand, S. Belviso, B. Bombled et al., Effect of natural iron fertilization on carbon sequestration in the Southern Ocean, Effect of natural iron fertilization on carbon sequestration in the Southern Ocean, pp.1070-1074, 2007.
DOI : 10.1038/nature05700

URL : https://hal.archives-ouvertes.fr/hal-00169813

M. A. Brzezinski and D. M. Nelson, Chronic substrate limitation of silicic acid uptake rates in the western Sargasso Sea, Deep Sea Research Part II: Topical Studies in Oceanography, vol.43, issue.2-3, pp.437-453, 1996.
DOI : 10.1016/0967-0645(95)00099-2

M. A. Brzezinski, D. M. Nelson, V. M. Franck, and D. E. Sigmon, Silicon dynamics within an intense open-ocean diatom bloom in the Pacific sector of the Southern Ocean, Deep Sea Research Part II: Topical Studies in Oceanography, vol.48, issue.19-20, pp.3997-4018, 2001.
DOI : 10.1016/S0967-0645(01)00078-9

M. A. Brzezinski, C. J. Pride, V. M. Franck, D. M. Sigman, J. L. Sarmiento et al., A switch from Si(OH) 4 to NO 3 depletion in the glacial Southern Ocean, Geophys. Res. Lett, vol.29, p.1210, 1029.

D. Cardinal, L. Y. Alleman, J. De-jong, K. Ziegler, A. et al., Isotopic composition of silicon measured by multicollector plasma source mass spectrometry in dry plasma mode, Journal of Analytical Atomic Spectrometry, vol.18, issue.3, pp.213-218, 2003.
DOI : 10.1039/b210109b

D. Cardinal, L. Y. Alleman, F. Dehairs, N. Savoye, T. W. Trull et al., Relevance of silicon isotopes to Si-nutrient utilization and Si-source assessment in Antarctic waters, Global Biogeochemical Cycles, vol.17, issue.4, pp.200710-1029, 2005.
DOI : 10.1029/2004GB002364

D. Cardinal, N. Savoye, T. W. Trull, F. Dehairs, E. E. Kopczynska et al., Silicon isotopes in spring Southern Ocean diatoms: Large zonal changes despite homogeneity among size fractions, Marine Chemistry, vol.106, issue.1-2, pp.46-62, 2007.
DOI : 10.1016/j.marchem.2006.04.006

X. Crosta, C. Beucher, K. Pahnke, and M. A. Brzezinski, Silicic acid leakage from the Southern Ocean: Opposing effects of nutrient uptake and oceanic circulation, Geophysical Research Letters, vol.48, issue.2, pp.10-1029, 2007.
DOI : 10.1029/2002GL015513

C. M. Cunningham, Southern Ocean circulation, Archives of Natural History, vol.32, issue.2, pp.265-280, 2005.
DOI : 10.3366/anh.2005.32.2.265

E. V. Dafner and N. V. Mordasova, Influence of biotic factors on the hydrochemical structure of surface water in the Polar Frontal Zone of the Atlantic Antarctic, Marine Chemistry, vol.45, issue.1-2, pp.137-148, 1994.
DOI : 10.1016/0304-4203(94)90098-1

A. De-brauwere, F. Fripiat, D. Cardinal, A. Cavagna, F. De-ridder et al., Isotopic model of oceanic silicon cycling: The Kerguelen Plateau case study, Deep-Sea Res. I, pp.42-59, 2012.

C. L. De-la-rocha, M. A. Brzezinski, and M. J. Deniro, Purification, Recovery, and Laser-Driven Fluorination of Silicon from Dissolved and Particulate Silica for the Measurement of Natural Stable Isotope Abundances, Analytical Chemistry, vol.68, issue.21, pp.3746-3750, 1996.
DOI : 10.1021/ac960326j

URL : https://hal.archives-ouvertes.fr/hal-00660855

C. L. De-la-rocha, M. A. Brzezinski, and M. J. Deniro, Fractionation of silicon isotopes by marine diatoms during biogenic silica formation, Geochimica et Cosmochimica Acta, vol.61, issue.23, pp.61-5051, 1997.
DOI : 10.1016/S0016-7037(97)00300-1

URL : https://hal.archives-ouvertes.fr/hal-00660851

C. L. De-la-rocha, M. A. Brzezinski, M. J. Deniro, and A. Shemesh, Silicon-isotope composition of diatoms as an indicator of past oceanic change, Nature, vol.395, issue.6703, pp.680-683, 1998.
DOI : 10.1038/27174

URL : https://hal.archives-ouvertes.fr/hal-00660848

C. L. De-la-rocha, A. Brzezinski, and M. J. Deniro, A first look at the distribution of the stable isotopes of silicon in natural waters, Geochimica et Cosmochimica Acta, vol.64, issue.14, pp.2467-2477, 2000.
DOI : 10.1016/S0016-7037(00)00373-2

URL : https://hal.archives-ouvertes.fr/hal-00660843

C. L. De-la-rocha, P. Bescont, A. Croguennoc, and E. Ponzevera, The silicon isotopic composition of surface waters in the Atlantic and Indian sectors of the Southern Ocean, Geochimica et Cosmochimica Acta, vol.75, issue.18, pp.5283-5295, 2011.
DOI : 10.1016/j.gca.2011.06.028

URL : https://hal.archives-ouvertes.fr/hal-00660777

M. S. Demarest, M. A. Brzezinski, and C. P. Beucher, Fractionation of silicon isotopes during biogenic silica dissolution, Geochimica et Cosmochimica Acta, vol.73, issue.19, pp.5572-5583, 2009.
DOI : 10.1016/j.gca.2009.06.019

G. F. De-souza, B. C. Reynolds, G. C. Johnson, J. L. Bullister, and B. Bourdon, Silicon stable isotope distribution traces Southern Ocean export of Si to the eastern South Pacific thermocline, Biogeosciences, vol.9, issue.11, pp.4199-421310, 2012.
DOI : 10.5194/bg-9-4199-2012-supplement

G. F. De-souza, B. C. Reynolds, J. Rickli, M. Frank, M. A. Saito et al., Southern Ocean control of silicon stable isotope distribution in the deep Atlantic Ocean, Global Biogeochemical Cycles, vol.17, issue.3, p.203510, 1029.
DOI : 10.1029/2011GB004141

URL : https://hal.archives-ouvertes.fr/hal-00721135

T. Ding, L. Tang, D. Wan, Y. Li, J. Li et al., Silicon isotope geochemistry, p.125, 1996.

C. B. Douthitt, The geochemistry of the stable isotopes of silicon, Geochimica et Cosmochimica Acta, vol.46, issue.8, pp.1449-1458, 1982.
DOI : 10.1016/0016-7037(82)90278-2

E. Engström, I. Rodushkin, D. C. Baxter, and B. Öhlander, Chromatographic Purification for the Determination of Dissolved Silicon Isotopic Compositions in Natural Waters by High-Resolution Multicollector Inductively Coupled Plasma Mass Spectrometry, Analytical Chemistry, vol.78, issue.1, pp.250-257, 2006.
DOI : 10.1021/ac051246v

G. T. Evans and J. S. Parslow, A model of annual plankton cycles, Biol. Oceanogr, vol.3, pp.327-347, 1985.

M. J. Fasham, H. W. Ducklow, and S. M. Mckelvie, A nitrogen-based model of plankton dynamics in the oceanic mixed layer, Journal of Marine Research, vol.48, issue.3, pp.591-639, 1990.
DOI : 10.1357/002224090784984678

M. J. Fasham, K. J. Flynn, P. Pondaven, T. R. Anderson, and P. W. Boyd, Development of a robust marine ecosystem model to predict the role of iron in biogeochemical cycles: A comparison of results for iron-replete and iron-limited areas, and the SOIREE iron-enrichment experiment, Deep Sea Research Part I: Oceanographic Research Papers, vol.53, issue.2, pp.333-366, 2006.
DOI : 10.1016/j.dsr.2005.09.011

URL : https://hal.archives-ouvertes.fr/hal-00635636

F. Fripiat, A. J. Cavagna, F. Dehairs, S. Speich, L. Andre et al., Silicon pool dynamics and biogenic silica export in the Southern Ocean inferred from Si-isotopes, Ocean Sci, pp.533-547, 2011.

F. Fripiat, A. J. Cavagna, N. Savoye, F. Dehairs, L. André et al., Isotopic constraints on the Si-biogeochemical cycle of the Antarctic Zone in the Kerguelen area (KEOPS), Isotopic constraints on the Si-biogeochemical cycle of the Antarctic Zone in the Kerguelen area (KEOPS), pp.11-22, 2011.
DOI : 10.1016/j.marchem.2010.08.005

F. Fripiat, K. Leblanc, M. Elskens, A. J. Cavagna, L. Armand et al., Efficient silicon recycling in summer in both the Polar Frontal and Subantarctic Zones of the Southern Ocean, Marine Ecology Progress Series, vol.435, pp.47-61, 2011.
DOI : 10.3354/meps09237

URL : https://hal.archives-ouvertes.fr/hal-00687945

F. Fripiat, A. Cavagna, F. Dehairs, A. De-brauwere, L. André et al., Processes controlling the Si-isotopic composition in the Southern Ocean and application for paleoceanography, Biogeosciences, vol.95194, pp.2443-245710, 2012.
URL : https://hal.archives-ouvertes.fr/hal-01138257

R. B. Georg, A. N. Halliday, E. A. Schauble, R. , and B. C. , Silicon in the Earth???s core, Nature, vol.294, issue.7148, pp.1102-1106, 2007.
DOI : 10.1038/nature05927

R. B. Georg, B. C. Reynolds, A. J. West, K. W. Burton, and A. N. Halliday, Silicon isotope variations accompanying basalt weathering in Iceland, Earth and Planetary Science Letters, vol.261, issue.3-4, pp.476-490, 2007.
DOI : 10.1016/j.epsl.2007.07.004

URL : https://hal.archives-ouvertes.fr/hal-00320081

H. Jacot-des-combes, O. Esper, C. L. De-la-rocha, A. Abelmann, R. Gersonde et al., Diatom ? 13 C, ? 15 N, and C / N since the Last Glacial Maximum in the Southern Ocean: Potential impact of species composition, pp.10-1029, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00467138

G. Jacques, Some ecophysiological aspects of the Antarctic phytoplankton, Polar Biology, vol.24, issue.1, pp.27-33, 1983.
DOI : 10.1007/BF00258282

C. Jeandel, D. Ruiz-pino, E. Gjata, A. Poisson, C. Brunet et al., KERFIX, a time-series station in the Southern Ocean: a presentation, Journal of Marine Systems, vol.17, issue.1-4, pp.555-569, 1998.
DOI : 10.1016/S0924-7963(98)00064-5

URL : https://hal.archives-ouvertes.fr/hal-00472066

C. Jeandel, B. Peucker-ehrenbrink, M. T. Jones, C. R. Pearce, E. H. Oelkers et al., Ocean margins: The missing term in oceanic element budgets?, Eos, Transactions American Geophysical Union, vol.235, issue.1???2, pp.217-218, 2011.
DOI : 10.1029/2011EO260001

M. S. Mccartney and K. A. Donohue, A deep cyclonic gyre in the Australian???Antarctic Basin, Progress in Oceanography, vol.75, issue.4, pp.675-750, 2007.
DOI : 10.1016/j.pocean.2007.02.008

M. Mongin, E. Molina, and T. W. Trull, Seasonality and scale of the Kerguelen plateau phytoplankton bloom: A remote sensing and modeling analysis of the influence of natural iron fertilization in the Southern Ocean, Deep Sea Research Part II: Topical Studies in Oceanography, vol.55, issue.5-7, pp.880-892, 2008.
DOI : 10.1016/j.dsr2.2007.12.039

D. M. Nelson and L. I. Gordon, Production and pelagic dissolution of biogenic silica in the Southern Ocean, Geochimica et Cosmochimica Acta, vol.46, issue.4, pp.491-501, 1982.
DOI : 10.1016/0016-7037(82)90153-3

D. M. Nelson and W. O. Smith, Sverdrup revisited: Critical depths, maximum chlorophyll levels, and the control of Southern Ocean productivity by the irradiance-mixing regime, Limnology and Oceanography, vol.36, issue.8, pp.1650-1661, 1991.
DOI : 10.4319/lo.1991.36.8.1650

A. Nugraha, P. Pondaven, and P. Tréguer, Influence of consumer-driven nutrient recycling on primary production and the distribution of N and P in the ocean, Biogeosciences, vol.7, issue.4, pp.1285-1305, 1285.
DOI : 10.5194/bg-7-1285-2010

URL : https://hal.archives-ouvertes.fr/hal-00484887

E. H. Oelkers, S. R. Gislason, E. S. Eiriksdottir, M. T. Jones, C. R. Pearce et al., The role of riverine particulate material on the global cycles of the elements, Applied Geochemistry, vol.26, pp.365-369, 2011.
DOI : 10.1016/j.apgeochem.2011.03.062

URL : https://hal.archives-ouvertes.fr/hal-00984561

S. Opfergelt and P. Delmelle, Silicon isotopes and continental weathering processes: Assessing controls on Si transfer to the ocean, Comptes Rendus Geoscience, vol.344, issue.11-12, pp.723-738, 2012.
DOI : 10.1016/j.crte.2012.09.006

A. H. Orsi, I. Whitworth, T. , N. Jr, and W. D. , On the meridional extent and fronts of the Antarctic Circumpolar Current, Deep Sea Research Part I: Oceanographic Research Papers, vol.42, issue.5, pp.641-673, 1995.
DOI : 10.1016/0967-0637(95)00021-W

E. Paasche, Silicon and the ecology of marine plankton diatoms. II. Silicate-uptake kinetics in five diatom species, Marine Biology, vol.80, issue.1, pp.262-269, 1973.
DOI : 10.1007/BF02097147

Y. Park, L. Gamberoni, C. , and E. , Frontal structure, water masses, and circulation in the Crozet Basin, Journal of Geophysical Research, vol.3, issue.II, pp.12361-12385, 1993.
DOI : 10.1029/93JC00938

Y. Park, E. Charriaud, and M. Fieux, Thermohaline structure of the Antarctic Surface Water/Winter Water in the Indian sector of the Southern Ocean, Journal of Marine Systems, vol.17, issue.1-4, pp.5-23, 1998.
DOI : 10.1016/S0924-7963(98)00026-8

Y. Park, F. Roquet, I. Durand, and J. Fuda, Large-scale circulation over and around the Northern Kerguelen Plateau, Deep Sea Research Part II: Topical Studies in Oceanography, vol.55, issue.5-7, pp.566-581, 1998.
DOI : 10.1016/j.dsr2.2007.12.030

URL : https://hal.archives-ouvertes.fr/hal-00770568

T. Platt and A. D. Jassby, THE RELATIONSHIP BETWEEN PHOTOSYNTHESIS AND LIGHT FOR NATURAL ASSEMBLAGES OF COASTAL MARINE PHYTOPLANKTON, Journal of Phycology, vol.24, issue.1, pp.421-430, 1976.
DOI : 10.1111/j.1469-8137.1957.tb06962.x

T. Platt, S. Sathyendranath, A. M. Edwards, D. S. Broomhead, and O. Ulloa, Nitrate supply and demand in the mixed layer of the ocean, Marine Ecology Progress Series, vol.254, pp.3-9, 2003.
DOI : 10.3354/meps254003

P. A. Pogge-von-strandmann, S. Opfergelt, Y. Lai, B. Sigfússon, S. R. Gislason et al., Lithium, magnesium and silicon isotope behaviour accompanying weathering in a basaltic soil and pore water profile in Iceland, Earth and Planetary Science Letters, vol.339, issue.340, pp.11-23, 2012.
DOI : 10.1016/j.epsl.2012.05.035

N. Coffineau, Exploring interacting influences on the silicon isotopic composition Modelling the silica pump in the Permanently Open Ocean Zone of the Southern Ocean, J. Mar. Syst, vol.17, pp.587-619, 1998.

F. Roquet, Y. Park, C. Guinet, F. Bailleul, and J. And-charrassin, Observations of the Fawn Trough Current over the Kerguelen Plateau from instrumented elephant seals, Journal of Marine Systems, vol.78, issue.3, pp.377-393, 2009.
DOI : 10.1016/j.jmarsys.2008.11.017

URL : https://hal.archives-ouvertes.fr/hal-00410201

G. Sarthou, K. R. Timmermans, S. Blain, and P. Tréguer, Growth physiology and fate of diatoms in the ocean: a review, Journal of Sea Research, vol.53, issue.1-2, pp.25-42, 2005.
DOI : 10.1016/j.seares.2004.01.007

URL : https://hal.archives-ouvertes.fr/hal-00456424

P. S. Savage, R. B. Georg, H. M. Williams, K. W. Burton, and A. N. Halliday, Silicon isotope fractionation during magmatic differentiation, Geochimica et Cosmochimica Acta, vol.75, issue.20, pp.6124-6139, 2011.
DOI : 10.1016/j.gca.2011.07.043

T. J. Smayda, The suspension and sinking of phytoplankton in the sea, Oceanogr, Mar. Biol. Ann. Rev, vol.8, pp.353-414, 1970.

U. Sommer, Nitrate- and silicate-competition among antarctic phytoplankton, Marine Biology, vol.61, issue.3, pp.345-351, 1986.
DOI : 10.1007/BF00428628

J. H. Steele and E. W. Henderson, Predation control of plankton demography, ICES Journal of Marine Science, vol.52, issue.3-4, pp.565-573, 1995.
DOI : 10.1016/1054-3139(95)80071-9

J. D. Strickland and T. R. Parsons, A practical handbook of seawater analysis, Fish. Res. Board Can, p.310, 1972.

J. N. Sutton, D. E. Varela, M. A. Brzezinski, and C. P. Beucher, Species-dependent silicon isotope fractionation by marine diatoms, Geochimica et Cosmochimica Acta, vol.104, pp.300-309, 2013.
DOI : 10.1016/j.gca.2012.10.057

P. J. Tréguer and C. L. De-la-rocha, The World Ocean Silica Cycle, Annual Review of Marine Science, vol.5, issue.1, pp.477-501, 2013.
DOI : 10.1146/annurev-marine-121211-172346

T. Tyrrell, The relative influences of nitrogen and phosphorus on oceanic primary production, Nature, vol.400, issue.6744, pp.525-531, 1999.
DOI : 10.1038/22941

P. Van-cappellen, S. Dixit, V. Beusekom, and J. , Biogenic silica dissolution in the oceans: Reconciling experimental and fieldbased dissolution rates, 2002.

D. E. Varela, C. J. Pride, and M. A. Brzezinski, Biological fractionation of silicon isotopes in Southern Ocean surface waters, Global Biogeochemical Cycles, vol.268, issue.1, pp.10-1029, 2004.
DOI : 10.1029/2003GB002140

K. Ziegler, O. A. Chadwick, M. A. Brzezinski, K. , and E. F. , Natural variations of ??30Si ratios during progressive basalt weathering, Hawaiian Islands, Geochimica et Cosmochimica Acta, vol.69, issue.19, pp.4597-4610, 2005.
DOI : 10.1016/j.gca.2005.05.008