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Increased particle abundance is associated with higher bacterial activity in deep layers?

AuthorsSala, M. Montserrat ; Borrull, Encarnación ; Mestre, Mireia ; Sánchez del Río, Susana; Antequera, C. ; Ortega-Retuerta, E. ; Aparicio, Francisco Luis ; Puig, Pere ; Gasol, Josep M. ; Marrasé, Cèlia
Issue Date21-Feb-2016
PublisherAmerican Geophysical Union
Citation2016 Ocean Sciences Meeting
AbstractWe investigated the abundance, diversity, production and extracellular enzyme activities of bacteria during the cruise NEMO, that covered a transect from the coast to the open sea, an area between Barcelona and Mallorca Island in the NW Mediterranean. We sampled in 8 stations and at up to 8 depths, from the surface to 2300m. Bacterial activity showed a decreasing pattern with depth. During the cruise, several bottom nepheloid layers, i.e. clouds of particles, were sampled. Although nepheloid layers have been associated with increased bacterial activities, we did not detect a clear increase of bacterial activities. One of the possible causes for this lack of stimulation of the bacterial community might be the minor enrichment in particulate organic carbon in those bottom nepheloid layers
DescriptionSala, M. Montserrat... et al.-- 2016 Ocean Sciences Meeting, 21-26 February 2016, New Orleans
Publisher version (URL)https://osm.agu.org/2016/scientific-program/
Appears in Collections:(ICM) Comunicaciones congresos
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