Microbial activity at the deep water sediment boundary layer in two highly productive systems in the Western Mediterranean: The Almeria-Oran front and the Malaga upwelling

Oceanologica Acta

Volumn 25, Issue 6, 2002, Pages 315-324

  Bianchi, Armand ^a   Calafat, Antoni ^b   De Wit, Rutger ^c   Garcin, Jean ^a   Tholosan, Olivier ^a   Cacho, Isabel ^b   Canals, Miquel ^b   Fabrés, Joan ^b   Grout, Hélène ^b   Masqué, Pere ^d   Sanchez Cabeza, Joan Albert ^d   Sempéré, Richard ^a  

^a STATION DE RADIOASTRONOMIE DE NANÇAY   (France)

^b UNIVERSITY OF BARCELONA   (Spain)

^c CNRS   (France)

^d UNIVERSITAT AUTÒNOMA DE BARCELONA   (Spain)

Author keywords

Bacteria; Deep sea; Mineralisation rate; Sediments; Western Mediterranean

Indexed keywords

DEEP WATER; MICROBIAL ACTIVITY; MINERALIZATION; SURFICIAL SEDIMENT;

MEDITERRANEAN REGION;

EID: 0242668802     PISSN: 03991784     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0399-1784(02)01205-7     Document Type: Article

References (30)

1. Alldredge, A.L., Silver, M.W., 1988. Characteristics, dynamics and significance of marine snow. Prog. Oceanogr 20, 41-82.
2. Bianchi, A., Tholosan, O., Garcin, J., Polychronaki, T., Tselepides, A., Buscail, R., Duineveld, G., 2000. Microbial activities at the benthic boundary layer in the Aegean Sea. Prog. Oceanogr (submitted for publication).
3. Boetius, A., Lochte, K., 1994. Regulation of microbial enzymatic degradation of organic matter in deep-sea sediments. Mar. Ecol. Prog. Ser 104, 299-307.
4. Boetius, A.. Scheibe, S., Tselipides, A., Thiel, H., 1996. Microbial biomass and activities in deep-sea sediments of the Eastern Mediterranean: trenches are benthic hotspots. Deep-Sea Res. I 43, 1439-1460.
5. Chrost, R.J., 1991. Environmental control of the synthesis and activity of aquatic microbial ectoenzymes. In: Chrost, R.J. (Ed.), Microbial Enzymes in Aquatic Environments. Springer-Verlag, New York, pp. 29-59.
6. Dafner, E., Sempéré, R., Gonzales, N., Gomez, F., Goutx, M., 1999. Cross slope variations of dissolved organic carbon in the Gulf of Cadiz, NE Atlantic Ocean (February 1998). Mar. Ecol. Prog. Ser 189, 301-306.
7. Danovaro, R., Fabiano, M., Croce, N.D., 1993. Labile organic matter and microbial biomasses in deep-sea sediments (Eastern Mediterranean Sea). Deep-Sea Res 40, 953-965.
8. De Wit, R., Bouloubassi, I., 1998. Oxygen penetration depth and aerobic microbial respiration in sediments of the Western Mediterranean. Third MTP-II Workshop on the Variability of the Mediterranean Sea. Rhodos, (Greece), pp. 207.
9. De Wit, R., Relexans, J.C., Bouvier, T., Moriarty, D., 1997. Microbial respiration and diffusive oxygen uptake of deep-sea sediments in the Southern Ocean (ANTARES-I cruise). Deep-Sea Res II 44, 1053-1068.
10. García-Lafuente, J., Cano, N., Vargas, M., Rubin, J.P., Hernandez-Guerra, A., 1998. Evolution of the Alboran Sea hydrographic structures during July 1993. Deep-Sea Res. I 45, 39-65.
11. Griffiths, R.P., Caldwell, B.A., Broich, W.A., Morita, R.Y., 1983. Microbial processes relating to carbon cycling in Southeastern Bering Sea sediments. Mar. Ecol. Prog. Ser 10, 265-275.
12. Grout, H., Sempéré, R., Calafat, A., Prieur, L., Canals, M., 2001. Morphological and chemical variability of colloids in the Almeria-Oran Front in the Eastern Alboran Sea (SW Mediterranean Sea): evidence by means of Analytical Electron Microscopy. Limnol. Oceanogr 46, 1347-1357.
13. Hoppe, H.G., 1983. Significance of exoenzymatic activities in the ecology of brackish water: measurement by means of methylumbelliferyl-substrates. Mar. Eco. Prog. Ser 11, 299-308.
14. Hoppe, H.G., Ullrich, S., 1999. Profiles of ectoenzymes in the Indian Ocean: phenomena of phosphatase activity in the mesopelagic zone. Aquat. Microb. Ecol 19, 139-148.
15. Masqué, P., Fabrés, J., Canals, M, Sanchez-Cabeza, J.A., Sanchez-Vidal, A., Cacho, I., Calafat, A., Brunch, J., 00. Accumulation rates of major contituents of hemipelagic sediments in the deep Alboran Sea: a centennial perspective of sedimentary dynamics. Mar. Geology.
16. Minas, H.J., Coste, B., Le Corre, P., Minas, M., Raimbault, P., 1991. Biological and geochemical signatures associated with the water circulation through the Strait of Gibraltar and the Western Alboran Sea. J. Geophys. Res 96, 8755-8771.
17. Packard, T.T., Minas, H.J., Coste, B., Martinez, R., Bonin, M.C., Gostan, J., Garfield, P., Christensen, J., Dortch, Q., Minas, M., Copin-Montégut, G., Copin-Montégut, C., 1988. Formation of the Alboran oxygen minimum zone. Deep-Sea Res Part A 35, 1111-1118.
18. Parrilla, G., Kinder, Th., Preller, R., 1986. Deep and intermediate Mediterranean water in the western Alboran Sea. Deep-Sea Res. Part A 33, 55-86.
19. Poremba, K., 1994. Simulated degradation of phytodetritus in deep-sea sediments of the NE Atlantic (47° N, 19W). Mar. Ecol. Prog. Ser 105, 291-299.
20. Porter, K.G., Feig, Y.S., 1980. The use of DAPI for identifying and counting aquatic microflora. Limnol. Oceanogr 25, 943-948.
21. Prieur, L., Copin-Montégut, C., Claustre, H., 1993. Biophysical aspects of "Almofront-1", an intensive study of geostrophic frontal jet. Ann. Inst. Océanogr. Paris 69, 71-86.
22. Ruiz, J., Echevarria, F., Font, J., Ruiz, S., Garcia, E., Blanco, J.M., Jimenez-Gomez, F., Prieto, L., Gonzalez-Alaminos, A., Garcia, C.M.U., 2001. Surface distribution of chlorophyll, particles and gelbstoff in the Atlantic jet of the Alboran Sea: from submesoscale to subinertial scales of variability. J. Mar. Syst 29 (1-4), 277-292.
23. Sempéré, S., Dafner, E., Magen, C., Allegre, S., Van Wambeke, F., Lefèvre, D., Bianchi, M., Prieur, L., 2000. Total organic carbon and cycling across a geostrophic front in Mediterranean Sea implications for the western carbon cycle (submitted for publication).
24. Talbot, V., Bianchi, M., 1997. Bacterial proteolytic activity in sediments of the Subantarctic Indian Ocean Sector. Deep-Sea Res. 11 44, 1069-1084.
25. Tamburini, C., Garcin, J., Ragot, M., Bianchi, A., 2002. Biopolymer hydrolysis and bacterial production under ambient hydrostatic pressure through a 2000 m water column in the NW Mediterranean. Deep-Sea Res. 11 49, 2109-2123.
26. Thingstad, T.F., Hagström, A., Rassoulzadegan, F., 1997. Accumulation of degradable DOC in surface waters: is it caused by a malfunctioning microbial loop? Limnol. Oceanogr 42, 398-404.
27. Tholosan, O., Bianchi, A., 1998. Bacterial distribution and activity at the water-sediment boundary layer on NW Mediterranean continental margin. Mar. Ecol. Prog. Ser 168, 273-283.
28. Turley, C.M., Mackie, P.J., 1994. Biogeochemical significance of attached and free-living bacteria and the flux of particles in the NE Atlantic Ocean. Mar. Ecol. Prog. Ser 115, 191-203.
29. Unanue, M., Azua, I., Arrieta, J.M., Labirua-Iturburu, A., Egea, L., Iriberri, J., 1998. Bacterial colonization and ectoenzymaic activity in phytoplankton-derived model particles: cleavage of peptides uptake of amino acids. Microbiol. Ecol 35, 136-146.
30. Vetter, Y.A., Deming, J.W., 1994. Extracellular enzyme activity in the Artic Northeast water polynya. Mar. Ecol. Prog. Ser 114, 23-34.