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Literature review on microbiology of aggregates or... - Baltic Marine ...

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42Hietanen Meri No. 37:37-44, 1998Physical aspects <strong>of</strong> aggregati<strong>on</strong>, disaggregati<strong>on</strong> and aggregate loss from the water column seem to bequite well described. Our understanding <strong>of</strong> biological processes in <strong>aggregates</strong> however remains incomplete.In <strong>or</strong>der to estimate the c<strong>on</strong>tributi<strong>on</strong> <strong>of</strong> aggregate-associated processes to those <strong>of</strong> free-living <strong>or</strong>ganisms,we need to focus <strong>on</strong> developing methods to measure the key processes in <strong>aggregates</strong>. The highmetabolical rates detected so far in <strong>aggregates</strong> indicate that their role in the water column might be fargreater than expected from their brief appearances.REFERENCESAlldredge, A.L. & Cohen, Y. 1987: Can microscale chemical patches persist in the sea? Microelectrode study<strong>of</strong> marine snow and fecal pellets. - Science 235: 689-691.Alldredge, A., Cole, J.J. & Car<strong>on</strong>, D.A. 1986: Producti<strong>on</strong> <strong>of</strong> heterotrophic bacteria inhabiting macroscopic<strong>or</strong>ganic <strong>aggregates</strong> (marine snow) from surface waters. - Limnol. Oceanogr. 31: 68-78.Alldredge, A.L. & Gotschalk, C.C. 1989: Direct observati<strong>on</strong>s <strong>of</strong> the mass flocculati<strong>on</strong> <strong>of</strong> diatom blooms:characteristics, settling velocities and f<strong>or</strong>mati<strong>on</strong> <strong>of</strong> diatom <strong>aggregates</strong>. - Deep-Sea. Res. 36: 159-171.Alldredge, A.L. & Gotschalk, C.C. 1990: The relative c<strong>on</strong>tributi<strong>on</strong> <strong>of</strong> marine snow <strong>of</strong> different <strong>or</strong>igins tobiological processes in coastal waters. - C<strong>on</strong>t. Shelf Res. 10: 41-58.Alldredge, A.L., Granata, T.C., Gotschalk, C.C. & Dickey, T.D. 1990: The physical strength <strong>of</strong> marine snowand its implicati<strong>on</strong>s f<strong>or</strong> particle disaggregati<strong>on</strong> in the ocean. - Limnol. Oceanogr. 35: 1415-1428.Alldredge, A.L. & Jacks<strong>on</strong>, G.A. 1995: Aggregati<strong>on</strong> in marine systems. - Deep-Sea Res. 42: 1-7.Alldredge, A.L., Passow, U. & Logan, B.E. 1993: The abundance and significance <strong>of</strong> a class <strong>of</strong> large, transparent<strong>or</strong>ganic particles in the ocean. - Deep-Sea Res. II. 40, 1131-1140.Alldredge, A.L. & Silver, M.W. 1988: Characteristics, dynamics and significance <strong>of</strong> marine snow. - Prog.Oceanog. 20: 41-82.Alldredge, A.L. & Youngbluth, M.J. 1985: The significance <strong>of</strong> macroscopic <strong>aggregates</strong> (marine snow) as sitesf<strong>or</strong> heterotrophic bacterial producti<strong>on</strong> in the mesopelagic z<strong>on</strong>e <strong>of</strong> the subtropical Atlantic.- Deep-Sea Res. 32: 1445-1456.de Beer, D., Schramm, A., Santegoeds, C.M. & Nielsen, H.K. 1997: Anaerobic processes in activated sludge.- Proceedings <strong>of</strong> Sec<strong>on</strong>d Internati<strong>on</strong>al C<strong>on</strong>ference <strong>on</strong> Micro<strong>or</strong>ganisms in activated sludge and bi<strong>of</strong>ilmprocesses: 783-786.Bianchi, M., Marty, D., Teyssié, J.-L. & Fowler, S.W. 1992: Strictly aerobic and anaerobic bacteria associatedwith sinking particulate matter and zooplankt<strong>on</strong> fecal pellets. - Mar. Ecol. Prog. Ser. 88: 55-60.Biddanda, B.A. 1985: Microbial synthesis <strong>of</strong> macroparticulate matter. - Mar. Ecol. Prog. Ser. 20: 241-251.Biddanda, B.A. & Pomeroy, L.R. 1988: Microbial aggregati<strong>on</strong> and degradati<strong>on</strong> <strong>of</strong> phytoplankt<strong>on</strong>-deriveddetritus in seawater. I. Microbial successi<strong>on</strong>. - Mar. Ecol. Prog. Ser. 42: 79-88.Caldwell, D.E. & Caldwell, S.J. 1978: A Zoogloea sp. associated with blooms <strong>of</strong> Anabaena flos-aquae.- Can. J. Microbiol. 24: 922-931.Car<strong>on</strong>, D.A., Davis, G.D., Madin, L.P. & Sieburth, J. McN. 1982: Heterotrophic bacteria and bacteriv<strong>or</strong>ousprotozoa in oceanic macro<strong>aggregates</strong>. - Science 218: 795-797.Car<strong>on</strong>, D.A., Davis, G.D., Madin, L.P. & Sieburth, J. McN. 1986: Enrichment <strong>of</strong> microbial populati<strong>on</strong>s inmacro<strong>aggregates</strong> (marine snow) from surface waters <strong>of</strong> the N<strong>or</strong>th Atlantic. - J. Mar. Res. 44: 543-565.Cars<strong>on</strong>, R. 1951: The Sea Around Us. - Oxf<strong>or</strong>d University Press, 230 pp.DeL<strong>on</strong>g, E.F. , Franks, D.G. & Alldredge, A.L. 1993: Phylogenetic diversity <strong>of</strong> aggregate-attached vs. freelivingmarine bacterial assemblages. - Limnol. Oceanogr. 38: 924-934.Estep, M.L.F. & Vigg, S. 1985: Stable carb<strong>on</strong> and nitrogen isotope tracers <strong>of</strong> trophic dynamics in naturalpopulati<strong>on</strong>s and fisheries <strong>of</strong> the Lah<strong>on</strong>tan Lake System, Nevada. - Can. J. Fish. Aquat. Sci. 42: 1712-1719.Fowler, S.W. & Knauer, G.A. 1986: Role <strong>of</strong> large particles in the transp<strong>or</strong>t <strong>of</strong> elements and <strong>or</strong>ganic compoundsthrough the oceanic water column. - Prog. Oceanog. 16: 147-194.Gotschalk, C.C. & Alldredge, A.L. 1989: Enhanced primary producti<strong>on</strong> and nutrient regenerati<strong>on</strong> withinaggregated marine diatoms. - Mar. Biol. 103: 119-129.Grossart, H-P., Berman, T., Sim<strong>on</strong>, M. & Pohlmann, K. 1998: Occurrence and microbial dynamics <strong>of</strong> macroscopic<strong>or</strong>ganic <strong>aggregates</strong> (lake snow) in Lake Kinneret, Israel, in fall. - Aquat. Microb. Ecol. 14: 59-67.

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