Vertical Distribution and Biochemical Composition of Pico- and Microparticulate
245
standing of the processes involving the dynamics of the particulate matter in the
Ross Sea. This first attempt indicates that an approach based on the biochemical
composition of different size classes may provide new insight into the origin,
composition and fate of POM in Antarctic waters.
Acknowledgements. We are grateful to Prof. Walker O. Smith for valuable discussions. This work was supported by the Italian National Programme for Antarctic
Research (PNRA).
Référencés
1. Fuhrman JA, Sleeter TD, Carlson CA, Proctor LM (1989) Dominance of bacterial biomass in the
Sargasso Sea and its ecological implications. Mar Ecol Progr Ser 57:207-217
2. Cho BC, Azam F (1990) Biogeochemical significance of bacterial biomass in the ocean's euphotic
zone. Mar Ecol Progr Ser 63:287-298
3. Navarro JM, Thompson RJ (1995) Seasonal fluctuations in the size spectra, biochemical composition and nutritive value of the seston available to a suspension-feeding bivalve in a subarctic environment. Mar Ecol Progr Ser 125:95-106
4. Dunbar RB, MacPerson AJ, Wefer G (1985) Water-column particulate flux and sea floor deposit in
the Bransfield Strait and Southern Ross Sea, Antarctica. Antarct J, pp 98-102
5. Nelson DM, Smith WO Jr (1986) Phytoplankton bloom dynamics of the western Ross Sea ice-edge
- II. Mesoscale cycling of nitrogen and Silicon. Deep Sea Res 33:1389-1412
6. Smith WO, Nelson DM (1985) Phytoplankton bloom produced by a receding ice-edge in the Ross
Sea: spatial cohérence with the density fîeld. Science 227:163-166
7. Nelson DM, DeMaster DJ, Dunbar RB, Smith WO Jr ( 1996) Cycling of organic carbon and biogenic
silica in the Southern Océan: estimâtes of water column and sedimentary fluxes on the Ross Sea
continental shelf. J Geophys Res 101 (C8):18519-18532
8. Smith WO Jr, Nelson DM, Di Tullio GR, Leventer R (1996) Temporal and spatial patterns in the
Ross Sea: phytoplankton biomass, elemental composition, productivity and growth rates. J
GeophyRes 101(C8):18455-18465
9. Fabiano M, Povero P, Danovaro R (1993) Distribution and composition of particulate organic
matter in the Ross Sea (Antarctica). Pol Biol 13:525-533
10. Fabiano M, Danovaro R, Crisafi E, La Ferla R, Povero P, Acosta-Pomar L (1995) Particulate matter
composition and bacterial distribution in Terra Nova Bay (Antarctica) during summer 1989-1990.
Polar Biol 15:393-400
11. Fabiano M, Povero P, Danovaro R (1996) Particulate organic matter composition in Terra Nova
Bay (Antarctica) during summer 1990. Ant Sc 8( 1 ):7-13
12. Fabiano M, Chiantore M, Povero P, Cattaneo-Vietti R, Pusceddu A, Misic C, Albertelli G (1997)
Short-term variations in particulate matter flux in Terra Nova Bay, Ross Sea. Ant Sc 9(2):143-149
13. Karl DM (1980) Cellular nucléotide measurements and applications in microbial ecology. Microb
Rev 44:739-796
14. Artegiani A, Azzolini R, Paschini E, Creazzo S (1991) Physical océanographie conditions in the
Southern Pacific Océan and in the Western Ross Sea. National Scientific Commission for
Antarctica, Océan Cruise 1989-1990. Data Report 11:5-62
15. Fabiano M, Povero P, Catalano G, Benedetti F (1991) Hydrological data collected during the biological Chemical and geological sampling in Terra Nova Bay. National Scientific Commission for
Antarctica, Océan Cruise 1989-1990. Data Report 1:35-71
16. Innamorati M, Lazzara L, Mori G, Nuccio C, Saggiomo V (1991) Phytoplankton ecology. National
Scientific Commission for Antarctica, Océan Cruise 1989-1990. Data Report 1:141-252
17. Strickland JDH, Parsons TR (1972) A practical handbook of seawater analysis. Bull Fish Res Board
Can 167:1-158
18. Dubois M, Gilles KA, Hamilton JK, Rebers PA, Smith F (1956) Colorimétrie method for determi-
245
standing of the processes involving the dynamics of the particulate matter in the
Ross Sea. This first attempt indicates that an approach based on the biochemical
composition of different size classes may provide new insight into the origin,
composition and fate of POM in Antarctic waters.
Acknowledgements. We are grateful to Prof. Walker O. Smith for valuable discussions. This work was supported by the Italian National Programme for Antarctic
Research (PNRA).
Référencés
1. Fuhrman JA, Sleeter TD, Carlson CA, Proctor LM (1989) Dominance of bacterial biomass in the
Sargasso Sea and its ecological implications. Mar Ecol Progr Ser 57:207-217
2. Cho BC, Azam F (1990) Biogeochemical significance of bacterial biomass in the ocean's euphotic
zone. Mar Ecol Progr Ser 63:287-298
3. Navarro JM, Thompson RJ (1995) Seasonal fluctuations in the size spectra, biochemical composition and nutritive value of the seston available to a suspension-feeding bivalve in a subarctic environment. Mar Ecol Progr Ser 125:95-106
4. Dunbar RB, MacPerson AJ, Wefer G (1985) Water-column particulate flux and sea floor deposit in
the Bransfield Strait and Southern Ross Sea, Antarctica. Antarct J, pp 98-102
5. Nelson DM, Smith WO Jr (1986) Phytoplankton bloom dynamics of the western Ross Sea ice-edge
- II. Mesoscale cycling of nitrogen and Silicon. Deep Sea Res 33:1389-1412
6. Smith WO, Nelson DM (1985) Phytoplankton bloom produced by a receding ice-edge in the Ross
Sea: spatial cohérence with the density fîeld. Science 227:163-166
7. Nelson DM, DeMaster DJ, Dunbar RB, Smith WO Jr ( 1996) Cycling of organic carbon and biogenic
silica in the Southern Océan: estimâtes of water column and sedimentary fluxes on the Ross Sea
continental shelf. J Geophys Res 101 (C8):18519-18532
8. Smith WO Jr, Nelson DM, Di Tullio GR, Leventer R (1996) Temporal and spatial patterns in the
Ross Sea: phytoplankton biomass, elemental composition, productivity and growth rates. J
GeophyRes 101(C8):18455-18465
9. Fabiano M, Povero P, Danovaro R (1993) Distribution and composition of particulate organic
matter in the Ross Sea (Antarctica). Pol Biol 13:525-533
10. Fabiano M, Danovaro R, Crisafi E, La Ferla R, Povero P, Acosta-Pomar L (1995) Particulate matter
composition and bacterial distribution in Terra Nova Bay (Antarctica) during summer 1989-1990.
Polar Biol 15:393-400
11. Fabiano M, Povero P, Danovaro R (1996) Particulate organic matter composition in Terra Nova
Bay (Antarctica) during summer 1990. Ant Sc 8( 1 ):7-13
12. Fabiano M, Chiantore M, Povero P, Cattaneo-Vietti R, Pusceddu A, Misic C, Albertelli G (1997)
Short-term variations in particulate matter flux in Terra Nova Bay, Ross Sea. Ant Sc 9(2):143-149
13. Karl DM (1980) Cellular nucléotide measurements and applications in microbial ecology. Microb
Rev 44:739-796
14. Artegiani A, Azzolini R, Paschini E, Creazzo S (1991) Physical océanographie conditions in the
Southern Pacific Océan and in the Western Ross Sea. National Scientific Commission for
Antarctica, Océan Cruise 1989-1990. Data Report 11:5-62
15. Fabiano M, Povero P, Catalano G, Benedetti F (1991) Hydrological data collected during the biological Chemical and geological sampling in Terra Nova Bay. National Scientific Commission for
Antarctica, Océan Cruise 1989-1990. Data Report 1:35-71
16. Innamorati M, Lazzara L, Mori G, Nuccio C, Saggiomo V (1991) Phytoplankton ecology. National
Scientific Commission for Antarctica, Océan Cruise 1989-1990. Data Report 1:141-252
17. Strickland JDH, Parsons TR (1972) A practical handbook of seawater analysis. Bull Fish Res Board
Can 167:1-158
18. Dubois M, Gilles KA, Hamilton JK, Rebers PA, Smith F (1956) Colorimétrie method for determi-