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The MAREDAT global database of high performance liquid chromatography marine pigment measurements ArchiMer
Peloquin, J.; Swan, C.; Gruber, Nicolas; Vogt, M.; Claustre, Hervé; Ras, J.; Uitz, J.; Barlow, R.; Behrenfeld, M.; Bidigare, R.; Dierssen, H.; Ditullio, G.; Fernandez, E.; Gallienne, C.; Gibb, S.; Goericke, R.; Harding, L.; Head, E.; Holligan, P.; Hooker, S.; Karl, D.; Landry, M.; Letelier, R.; Llewellyn, C.a.; Lomas, M.; Lucas, M.; Mannino, A.; Marty, J.-c.; Mitchell, B.g.; Muller-karger, F.; Nelson, N.; O'Brien, C.; Prezelin, B.; Repeta, D.; Smith Jr, W.o.; Smythe-wright, D.; Stumpf, R.; Subramaniam, A.; Suzuki, K.; Trees, C.; Vernet, M.; Wasmund, N.; Wright, S..
A global pigment database consisting of 35 634 pigment suites measured by high performance liquid chromatography was assembled in support of the MARine Ecosytem DATa (MAREDAT) initiative. These data originate from 136 field surveys within the global ocean, were solicited from investigators and databases, compiled, and then quality controlled. Nearly one quarter of the data originates from the Laboratoire d'Océanographie de Villefranche (LOV), with an additional 17% and 19% stemming from the US JGOFS and LTER programs, respectively. The MAREDAT pigment database provides high quality measurements of the major taxonomic pigments including chlorophylls a and b, 19'-butanoyloxyfucoxanthin, 19'-hexanoyloxyfucoxanthin, alloxanthin, divinyl chlorophyll a,...
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Ano: 2013 URL: http://archimer.ifremer.fr/doc/00128/23975/21932.pdf
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Seasonal to hour variation scales in abundance and production of total and particle-attached bacteria in the open NW Mediterranean Sea (0-1000 m) ArchiMer
Mevel, G.; Vernet, M.; Goutx, M.; Ghiglione, J. F..
We present the vertical and temporal dynamics of total vs. particle-attached bacterial abundance and activity over a 5 week period under summer to autumn transition in NW Mediterranean Sea. At a weekly time scale, total bacterial biomass and production in the euphotic layers was significantly correlated with phytoplanktonic biomass. At an hourly time scale, total bacterial biomass responded very rapidly to chlorophyll a fluctuations, suggesting a tight coupling between phytoplankton and bacteria for resource partitioning during the summer-autumn transition. In contrast, no influence of diel changes on bacterial parameters was detected. Episodic events such as coastal water intrusions had a significant positive effect on total bacterial abundance and...
Tipo: Text Palavras-chave: Nucleic acid content; Free living bacteria; Top down control; Flow cytometry; Atlantic ocean; Water column; Spring bloom; Bottom up; North sea; Biogeochemical signifiance.
Ano: 2008 URL: https://archimer.ifremer.fr/doc/00208/31973/30408.pdf
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