Measurements of nitrite production in and around the primary nitrite maximum in the central California Current

Biogeosciences

Volumn 10, Issue 11, 2013, Pages 7395-7410

  Santoro, A E ^a   Sakamoto, C M ^c   Smith, J M ^b   Plant, J N ^c   Gehman, A L ^c,d   Worden, A Z ^c   Johnson, K S ^c   Francis, C A ^b   Casciotti, K L ^b  

^a UNIVERSITY OF MARYLAND CENTER FOR ENVIRONMENTAL SCIENCE   (United States)

^b MONTEREY BAY AQUARIUM RESEARCH INSTITUTE   (United States)

^c STANFORD UNIVERSITY   (United States)

^d UNIVERSITY OF GEORGIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIUM; EUPHOTIC ZONE; MEASUREMENT METHOD; METABOLISM; MIXED LAYER; NITRITE; NITROGEN DIOXIDE; ONE-DIMENSIONAL MODELING; OPEN OCEAN; OXIDATION; PHYTOPLANKTON;

CALIFORNIA CURRENT; PACIFIC OCEAN;

EID: 84888270144     PISSN: 17264170     EISSN: 17264189     Source Type: Journal    
DOI: 10.5194/bg-10-7395-2013     Document Type: Article

References (92)

1. Al-Qutob, M., Hase, C., Tilzer, M. M., and Lazar, B.: Phytoplankton drives nitrite dynamics in the Gulf of Aqaba, Red Sea. Mar. Ecol. Prog. Ser., 239, 233-239, 2002.
2. Allen, A. E., Booth, M. G., Frischer, M. E., Verity, P. G., Zehr, J. P., and Zani, S.: Diversity and detection of nitrate assimilation genes in marine bacteria, Appl. Environ. Microbiol., 67, 5343-5348, 2001. (Pubitemid 33701312)
3. Archer, D., Emerson, S., Powell, T., and Wong, C. S.: Numerical hindcasting of sea surface pCO2 at Weathership Station Papa, Prog. Oceanogr., 32, 319-351, 1993.
4. Babu, K. N., Sharma, R., Agarwal, N., Agarwal, V. K., and Weller, R. A.: Study of the mixed layer depth variations within the north Indian Ocean using a 1-D model, J. Geophys. Res., 109, C08016, doi:10.1029/2003JC002024, 2004. (Pubitemid 39437392)
5. Behrenfeld, M. J., O'Malley, R. T., Siegel, D. A., McClain, C. R., Sarmiento, J. L., Feldman, G. C., Milligan, A. J., Falkowski, P. G., Letelier, R. M., and Boss, E. S.: Climate-driven trends in contemporary ocean productivity, Nature, 444, 752-755, 2006. (Pubitemid 44949603)
6. Beman, J. M., Popp, B. N., and Francis, C. A.: Molecular and biogeochemical evidence for ammonia oxidation by marine Crenarchaeota in the Gulf of California, ISME Journal, 2, 429-441, 2008. (Pubitemid 351518401)
7. Beman, J. M., Sachdeva, R., and Fuhrman, J. A.: Population ecology of nitrifying archaea and Bacteria in the Southern California Bight, Environ. Microbiol., 12, 1282-1292, 2010.
8. Beman, J. M., Popp, B. N., and Alford, S. E.: Quantification of ammonia oxidation rates and ammonia-oxidizing archaea and bacteria at high resolution in the Gulf of California and eastern tropical North Pacific Ocean, Limnol. Oceanogr., 57, 711-726, 2012.
9. Blainey, P. C., Mosier, A. C., Potanina, A., Francis, C. A., Quake, S. R., and Gilbert, J.: Genome of a low-salinity ammonia-oxidizing archaeon determined by single-cell and metagenomic analysis, PLoS One, 6, 148-149, 2011.
10. Brandhorst, W.: Nitrification and denitrification in the eastern tropical North Pacific, J. Conseil Perm. Int. Expl. Mer., 25, 2-20, 1959.
11. Buchwald, C. and Casciotti, K. L.: Oxygen isotopic fractionation and exchange during bacterial nitrite oxidation, Limnol. Oceanogr., 55, 1064-1074, 2010.
12. Buchwald, C. and Casciotti, K. L.: Isotopic ratios of nitrite as tracers of the source and age of oceanic nitrite, Nat. Geosci., 6, 4, 308-313, doi:10.1038/NGEO1745, 2013.
13. Buchwald, C., Santoro, A. E., McIlvin, M. R., and Casciotti, K. L.: Oxygen isotopic composition of nitrate and nitrite produced by nitrifying cocultures and natural marine assemblages, Limnol. Oceanogr., 57, 1361-1375, 2012.
14. Campbell, L. and Vaulot, D.: Photosynthetic picoplankton community structure in the subtropical north Pacific-Ocean near Hawaii (Station AlOHA), Deep-Sea Res. I, 40, 2043-2060, 1993. (Pubitemid 24408407)
15. Campbell, L., Liu, H. B., Nolla, H. A., and Vaulot, D.: Annual variability of phytoplankton and bacteria in the subtropical North Pacific Ocean at Station ALOHA during the 1991-1994 ENSO event, Deep Sea Res. I, 44, 167-192, 1997.
16. Casciotti, K. L., and McIlvin, M. R.: Isotopic analyses of nitrate and nitrite from reference mixtures and application to Eastern Tropical North Pacific waters, Mar. Chem., 107, 184-201, 2007. (Pubitemid 47539713)
17. Casciotti, K. L., Sigman, D. M., Hastings, M. G., Bohlke, J. K., and Hilkert, A.: Measurement of the oxygen isotopic composition of nitrate in seawater and freshwater using the denitrifier method, Anal. Chem., 74, 4905-4912, 2002.
18. Casciotti, K. L., Bohlke, J. K., McIlvin, M. R., Mroczkowski, S. J., and Hannon, J. E.: Oxygen isotopes in nitrite: Analysis, calibration, and equilibration, Anal. Chem., 79, 2427-2436, 2007. (Pubitemid 46449024)
19. Casciotti, K. L., McIlvin, M. R., and Buchwald, C.: Oxygen isotopic exchange and fractionation during bacterial ammonia oxidation, Limnol. Oceanogr, 55, 753-762, 2010.
20. Casey, J. R., Lomas, M. W., Mandecki, J., and Walker, D. E.: Prochlorococcus contributes to new production in the Sargasso Sea deep chlorophyll maximum, Geophys. Res. Lett., 34, L10604, doi:10.1029/2006GL028725, 2007. (Pubitemid 47064822)
21. Cavender-Bares, K. K., Karl, D. M., and Chisholm, S. W.: Nutrient gradients in the western North Atlantic Ocean: Relationship to microbial community structure and comparison to patterns in the Pacific Ocean, Deep Sea Res. I, 48, 2373-2395, 2001. (Pubitemid 32817852)
22. Church, M. J., Karl, D. M., and DeLong, E. F.: Abundances of crenarchaeal amoA genes and transcripts in the Pacific Ocean, Environ. Microbiol., 12, 679-688, 2010.
23. Codispoti, L. A., Friederich, G. E., Packard, T. T., Glover, H. E., Kelly, P. J., Spinrad, R. W., Barber, R. T., Elkins, J. W., Ward, B. B., Lipschultz, F., and Lostaunau, N.: High nitrite levels off northern Peru-a signal of instability in the marine denitrification rate, Science, 233, 1200-1202, 1986. (Pubitemid 17249695)
24. Collins, C. A., Pennington, J. T., Castro, C. G., Rago, T. A., and Chavez, F. P.: The California Current system off Monterey, California: physical and biological coupling, Deep Sea Res. II, 50, 2389-2404, 2003. (Pubitemid 37181374)
25. Cuvelier, M. L., Allen, A. E., Monier, A., McCrow, J. P., Messie, M., Tringe, S. G., Woyke, T., Welsh, R. M., Ishoey, T., Lee, J. H., Binder, B. J., DuPont, C. L., Latasa, M., Guigand, C., Buck, K. R., Hilton, J., Thiagarajan, M., Caler, E., Read, B., Lasken, R. S., Chavez, F. P., and Worden, A. Z.: Targeted metagenomics and ecology of globally important uncultured eukaryotic phytoplankton, Proc. Natl. Acad. Sci. USA, 107, 14679-14684, 2010.
26. Dore, J. E. and Karl, D. M.: Nitrification in the euphotic zone as a source for nitrite, nitrate, and nitrous oxide at Station ALOHA, Limnol. Oceanogr., 41, 1619-1628, 1996a. (Pubitemid 126447282)
27. Dore, J. E. and Karl, D. M.: Nitrite distributions and dynamics at station ALOHA, Deep Sea Res., 43, 385-402, 1996b.
28. Dugdale, R. C. and Goering, J. J.: Uptake of new and regenerated forms of nitrogen in primary productivity, Limnol. Oceanogr., 12, 196-206, 1967.
29. Eppley, R. W., Coatswor. J., and Solorzano, L.: Studies of nitrate reductase in marine phytoplankton, Limnol. Oceanogr., 14, 194-205, 1969.
30. Fawcett, S. E., Lomas, M., Casey, J. R., Ward, B. B., and Sigman, D. M.: Assimilation of upwelled nitrate by small eukaryotes in the Sargasso Sea, Nat. Geosci., 4, 717-722, 2011.
31. Flynn, K. J., and Flynn, K.: Release of nitrite by marine dinoflagellates: development of a mathematical simulation, Mar. Biol., 130, 455-470, 1998. (Pubitemid 28126662)
32. Francis, C. A., Roberts, K. J., Beman, J. M., Santoro, A. E., and Oakley, B.B.: Ubiquity and diversity of ammonia-oxidizing archaea in water columns and sediments of the ocean, Proc. Natl. Acad. Sci. USA, 102, 14683-14688, 2005. (Pubitemid 41457116)
33. Glover, D. M., Jenkins, B. D., and Doney, S. C: Modeling Methods for Marine Science, Cambridge University Press, Cambridge, 2011.
34. Hallam, S. J., Mincer, T. J., Schleper, C., Preston, C. M., Roberts, K., Richardson, P. M., and DeLong, E. F.: Pathways of carbon assimilation and ammonia oxidation suggested by environmental genomic analyses of marine Crenarchaeota, PLoS Biology, 4, 520-536, 2006.
35. Horak, R. E. A., Qin, W., Shauer, A. J., Armbrust, E. V., Ingalls, A. E., Moffett, J. W., Stahl, D. A., and Devol, A. H.: Ammonia oxidation kinetics and temperature sensitivity of a natural marine community dominated by archaea, ISME J., 7, 10, 2023-2033, 2013.
36. Jenkins, B. D., Zehr, J. P., Gibson, A., and Campbell, L.: Cyanobacterial assimilatory nitrate reductase gene diversity in coastal and oligotrophic marine environments, Environ. Microbiol., 8, 2083-2095, 2006. (Pubitemid 44730240)
37. Johnson, K. S. and Coletti, L. J.: In situ ultraviolet spectrophotometry for high resolution and long-term monitoring of nitrate, bromide and bisulfide in the ocean, Deep Sea Res. I, 49, 1291-1305, 2002.
38. Johnson, Z. I., Zinser, E. R., Coe, A., McNulty, N. P.,Woodward, E. M. S., and Chisholm, S.W.: Niche partitioning among Prochlorococcus ecotypes along ocean-scale environmental gradients, Science, 311, 1737-1740, 2006.
39. Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G., Woollen, J., Zhu, Y., Chelliah, M., Ebisuzaki,W., Higgins,W., Janowiak, J., Mo, K.C., Ropelewski, C., Wang, J., Leetmaa, A., Reynolds, R., Jenne, R., and Joseph, D.: The NCEP/NCAR 40-year reanalysis project, B. Am. Meteorol. Soc., 77, 437-471, 1996.
40. Karl, D. M., Bidigare, R. R., Church, M. J., Dore, J. E., Letelier, R. M., Mahaffey, C., and Zehr, J. P.: The Nitrogen cycle in the North Pacific trades biome: An evolving paradigm, in: Nitrogen in the Marine Environment, edited by: Capone, D. G., Bronk, D. A., Mulholland, M. R., and Carpenter, E. J., 2nd Edn., Elsevier, 705-770, 2008.
41. Kiefer, D. A. and Kremer, J. N.: Origins of vertical patterns of phytoplankton and nutrients in the temperate, open ocean-a stratigraphic hypothesis, Deep-Sea Res. I, 28, 1087-1105, 1981.
42. Kiefer, D. A., Olson, R. J., and Holmhansen, O.: Another look at nitrite and chlorophyll maxima in central north Pacific, Deep-Sea Res., 23, 1199-1208, 1976.
43. Kirstein, K. and Bock, E.: Close genetic-relationship between Nitrobacter-hamburgensis nitrite oxidoreductase and Escherichia-coli nitrate reductases, Arch. Microbiol., 160, 447-453, 1993. (Pubitemid 23334012)
44. Lipschultz, F., Zafiriou, O. C., and Ball, L. A.: Seasonal fluctuations of nitrite concentrations in the deep oligotrophic ocean, Deep Sea Res., 43, 403-419, 1996.
45. Lomas, M. W. and Lipschultz, F.: Forming the primary nitrite maximum: Nitrifiers or phytoplankton, Limnol. Oceanogr., 51, 2453-2467, 2006. (Pubitemid 44520934)
46. Luecker, S., Nowka, B., Rattei, T., Spieck, E., and Daims, H.: The genome of Nitrospina gracilis illuminates the metabolism and evolution of the major marine nitrite oxidizer, Frontiers in Microbiology, 4, 2013.
47. Mackey, K. R. M., Bristow, L., Parks, D. R., Altabet, M. A., Post, A. F., and Paytan, A.: The influence of light on nitrogen cycling and the primary nitrite maximum in a seasonally stratified sea, Prog. Oceanogr., 91, 545-560, 2011.
48. Martens-Habbena, W., Berube, P. M., Urakawa, H., de la Torre, J. R., and Stahl, D. A.: Ammonia oxidation kinetics determine niche separation of nitrifying archaea and Bacteria, Nature, 461, 976-981, 2009.
49. Martiny, A. C., Kathuria, S., and Berube, P. M.: Widespread metabolic potential for nitrite and nitrate assimilation among Prochlorococcus ecotypes, Proc. Natl. Acad. Sci. USA, 106, 10787-10792, 2009.
50. Martz, T. R., DeGrandpre, M. D., Strutton, P. G., McGillis, W. R., and Drennan, W. M.: Sea surface pCO2 and carbon export during the Labrador Sea spring-summer bloom: An in situ mass balance approach, J. Geophys. Res., 114, C09008, doi:10.1029/2008JC005060, 2009.
51. Mathieu, T. and Deyoung, B.: Application of a Mixed-Layer Model to the Inner Newfoundland Shelf, J. Geophys. Res., 100, 921-936, 1995.
52. McIlvin, M. R. and Altabet, M. A.: Chemical conversion of nitrate and nitrite to nitrous oxide for nitrogen and oxygen isotopic analysis in freshwater and seawater, Anal. Chem., 77, 5589-5595, 2005. (Pubitemid 41266054)
53. McIlvin, M. R. and Casciotti, K. L.: Technical updates to the bacterial method for nitrate isotopic analyses, Anal. Chem., doi:10.1021/ac1028984, 2011.
54. Mincer, T. J., Church, M. J., Taylor, L .T., Preston, C., Karl, D. M., and DeLong, E. F.: Quantitative distribution of presumptive archaeal and bacterial nitrifiers in Monterey Bay and the North Pacific Subtropical Gyre, Environ. Microbiol., 9, 1162-1175, 2007. (Pubitemid 46697272)
55. Mosier, A. C. and Francis, C. A.: Determining the distribution of marine and coastal ammonia-oxidizing archaea and bacteria using a quantitative approach, Methods Enzymol., 486, 205-221, 2011.
56. Murray, A. E., Blakis, A., Massana, R., Strawzewski, S., Passow, U., Alldredge, A., and DeLong, E. F.: A time series assessment of planktonic archaeal variability in the Santa Barbara Channel, Aquat. Microb. Ecol., 20, 129-145, 1999. (Pubitemid 34234285)
57. Naqvi, S., Yoshinari, T., Jayakumar, D., Altabet, M., Narvekar, P., Devol, A., Brandes, J., and Codispoti, L.: Budgetary and biogeochemical implications of N2O isotope signatures in the Arabian Sea, Nature, 394, 462-464, 1998. (Pubitemid 28373953)
58. Newell, S. E., Babbin, A. R., Jayakumar, A., and Ward, B. B.: Ammonia oxidation rates and nitrification in the Arabian Sea, Global Biogeochem. Cy., 25, Gb4016, doi:10.1029/2010GB003940, 2011.
59. Newell, S. E., Fawcett, S. E., and Ward, B. B.: Depth distribution of ammonia oxidation rates and ammonia-oxidizer community composition in the Sargasso Sea, Limnol. Oceanogr., 58, 1491-1500, 2013.
60. Olson, R. J.: 15N tracer studies of the primary nitrite maximum, J. Mar. Res., 39, 203-226, 1981a.
61. Olson, R. J.: Differential photoinhibition of marine nitrifying bacteria: a possible mechanism for the formation of the primary nitrite maximum, J. Mar. Res., 39, 227-238, 1981b.
62. Paerl, R. W., Foster, R. A., Jenkins, B. D., Montoya, J. P., and Zehr, J. P.: Phylogenetic diversity of cyanobacterial narB genes from various marine habitats, Environ. Microbiol., 10, 3377-3387, 2008.
63. Paerl, R. W., Tozzi, S., Kolber, Z. S., and Zehr, J. P.: Variation in the abundance of Synechococcus sp. CC9311 narB mRNA relative to changes in light, nitrogen growth conditions and nitrate assimilation, J. Phycol., 48, 1028-1039, 2012.
64. Patey, M. D., Rijkenberg, M. J. A., Statham, P. J., Stinchcombe, M. C., Achterberg, E. P., and Mowlem, M.: Determination of nitrate and phosphate in seawater at nanomolar concentrations, Trac-Trend Anal. Chem., 27, 169-182, 2008.
65. Plant, J. N., Johnson, K. S., Needoba, J. A., and Coletti, L. J.: NH4-Digiscan: an in situ and laboratory ammonium analyzer for estuarine, coastal, and shelf waters, Limnol. Oceanogr.-Meth., 7, 144-156, 2009.
66. Plueddemann, A. J.,Weller, R. A., Stramska, M., Dickey, T. D., and Marra, J.: Vertical structure of the upper ocean during the marine light-mixed layers experiment, J. Geophys. Res., 100, 6605-6619, 1995.
67. Price, J. F., Weller, R. A., and Pinkel, R.: Diurnal cycling-observations and models of the upper ocean response to diurnal heating, cooling, and wind mixing, J. Geophys. Res., 91, 8411-8427, 1986.
68. Raimbault, P., Garcia, N., and Cerutti, F.: Distribution of inorganic and organic nutrients in the South Pacific Ocean-evidence for long-term accumulation of organic matter in nitrogendepleted waters, Biogeosciences, 5, 281-298, doi:10.5194/bg-5-281-2008, 2008.
69. Rocap, G., Larimer, F. W., Lamerdin, J., Malfatti, S. A., Chain, P., Ahlgren, N. A., Arellano, A., Coleman, M. L., Hauser, L., Hess, W. R., Johnson, Z. I., Land, M., Lindell, D., Post, A. F., Regala, W., Shah, M., Shaw, S. L., Steglich, C., Sullivan, M. B., Ting, C. S., Tolonen, A.,Webb, E. A., Zinser, E. R., and Chisholm, S.W.: Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche differentiation, Nature, 424, 1042-1047, 2003. (Pubitemid 37064302)
70. Sakamoto, C. M., Friederich, G. E., and Codispoti, L. A.: MBARI procedures for automated nutrient analyses using a modified Alpkem Series 300 Rapid Flow Analyzer, in: MBARI Technical Re port, 90-2, (Moss Landing, CA: Monterey Bay Aquarium Research Institute), 1990.
71. Santoro, A. E. and Casciotti, K. L.: Enrichment and characterization of ammonia-oxidizing archaea from the open ocean: Phylogeny, physiology, and stable isotope fractionation, ISME J., 5, 1796-1808, doi:10.1038/ismej.2011.1058, 2011.
72. Santoro, A. E., Casciotti, K. L., and Francis, C. A.: Activity, abundance and diversity of nitrifying archaea and bacteria in the central California Current, Environ. Microbiol., 12, 1989-2006, 2010.
73. Sigman, D. M., Casciotti, K. L., Andreani, M., Barford, C., Galanter, M., and Bohlke, J. K.: A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater, Anal. Chem., 73, 4145-4153, 2001. (Pubitemid 32830853)
74. Signorini, S. R., McClain, C. R., Christian, J. R., and Wong, C. S.: Seasonal and interannual variability of phytoplankton, nutrients, TCO2, pCO2), and O2) in the eastern subarctic Pacific ocean weather station Papa), J. Geophys. Res., 106, 31197-31215, 2001.
75. Spieck, E., Ehrich, S., Aamand, J., and Bock, E.: Isolation and immunocytochemical location of the nitrite-oxidizing system in Nitrospira moscoviensis, Arch. Microbiol., 169, 225-230, 1998. (Pubitemid 28098694)
76. Su, H., Cheng, Y. F., Oswald, R., Behrendt, T., Trebs, I., Meixner, F. X., Andreae, M. O., Cheng, P., Zhang, Y., and Poschl, U.: Soil nitrite as a source of atmospheric HONO and OH radicals, Science, 333, 1616-1618, 2011.
77. Vaccaro, R. and Ryther, J. H.: Marine phytoplankton and the distribution of nitrite in the sea, J. Conseil Perm. Int. Expl. Mer., 25, 260-271, 1960.
78. Vage, K., Pickart, R. S., Moore, G. W. K., and Ribergaard, M. H.: Winter mixed layer development in the central Irminger Sea: The effect of strong, intermittent wind events, J. Phys. Oceanogr., 38, 541-565, 2008. (Pubitemid 351638295)
79. Venrick, E. L. and Hayward, T.L.: Determining chlorophyll on the 1984 CalCOFI surveys, Cal Coop Ocean Fish, 25, 74-79, 1984.
80. Wada, E. and Hattori, A.: Nitrite metabolism in euphotic layer of the central North Pacific Ocean, Limnol. Oceanogr., 16, 766-772, 1971.
81. Walker, C. B., de la Torre, J. R., Klotz, M. G., Urakawa, H., Pinel, N., Arp, D. J., Brochier-Armanet, C., Chain, P. S. G., Chan, P. P., and Gollabgir, A.: Nitrosopumilus maritimus genome reveals unique mechanisms for nitrification and autotrophy in globally distributed marine crenarchaea, Proc. Natl. Acad. Sci. USA, 107, 8818-8823, 2010.
82. Ward, B. B.: Nitrification in aquatic environments, in: Encyclopedia of environmental microbiology, edidet by: Capone, D. G., New York, John Wiley and Sons, 2144-2167, 2002.
83. Ward, B. B.: Phytoplankton community composition and gene expression of functional genes involved in carbon and nitrogen assimilation, J. Phycol., 44, 1490-1503, 2008.
84. Ward, B. B. and Zafiriou, O. C.: Nitrification and nitric oxide in the oxygen minimum of the Eastern Tropical North Pacific, Deep Sea Res. I, 35, 1127-1142, 1988.
85. Ward, B. B., Olson, R. J., and Perry, M. J.: Microbial nitrification rates in the primary nitrite maximum off Southern-California, Deep Sea Res. I, 29, 247-255, 1982. (Pubitemid 12522011)
86. Ward, B. B., Talbot, M. C., and Perry, M.,J.: Contributions of phytoplankton and nitrifying bacteria to ammonium and nitrite dynamics in coastal waters, Cont. Shelf Res., 3, 383-398, 1984. (Pubitemid 16271582)
87. Zafiriou, O. C. and Mcfarland, M.: Nitric-oxide from nitrite photolysis in the central Equatorial Pacific, J. Geophys. Res.-Oc. Atmos., 86, 3173-3182, 1981.
88. Zafiriou, O. C. and True, M. B.: Nitrite photolysis as a source of free-radicals in productive surface waters, Geophys. Res. Lett., 6, 81-84, 1979a.
89. Zafiriou, O. C. and True, M. B.: Nitrite photolysis in seawater by sunlight, Mar. Chem., 8, 9-32, 1979b.
90. Zhang, J. Z.: Shipboard automated determination of trace concentrations of nitrite and nitrate in oligotrophic water by gassegmented continuous flow analysis with a liquid waveguide capillary flow cell, Deep Sea Res. I, 47, 1157-1171, 2000.
91. Zinser, E. R., Johnson, Z. I., Coe, A., Karaca, E., Veneziano, D., and Chisholm, S. W.: Influence of light and temperature on Prochlorococcus ecotype distributions in the Atlantic Ocean, Limnol. Oceanogr., 52, 2205-2220, 2007. (Pubitemid 47612143)
92. Zubkov, M. V., Sleigh, M. A., Burkill, P. H., and Leakey, R. J. G.: Picoplankton community structure on the Atlantic Meridional Transect: a comparison between seasons, Prog. Oceanogr., 45, 369-386, 2000. (Pubitemid 30329553)