Microbial communities of subtidal shallow sandy sediments change with depth and wave disturbance, but nutrient exchanges remain similar

Microbial communities of subtidal shallow sandy sediments change with depth and wave disturbance, but nutrient exchanges remain similar

Along 3 replicate transects, sediments were sampled from a subtidal sandbank in Cockburn Sound, Western Australia, at 4 depths: 1.5, 4 and 8 m and at 14 m on the flat at the base of the bank. Pulse amplitude modulated (PAM) fluorescence, fluxes of oxygen and inorganic nutrients, N₂ fixation and deni...

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Veröffentlicht in:Marine ecology. Progress series (Halstenbek) 2010-09, Vol.414, p.11-26
Hauptverfasser: Forehead, Hugh I., Thompson, Peter A.
Format: Artikel
Sprache:eng
Schlagworte:
Biomass
Diatoms
Fluorescence
Grain size
Irradiance
Lipids
Marine
Oxygen
Pigments
Sediments
Sterols
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Zusammenfassung:Along 3 replicate transects, sediments were sampled from a subtidal sandbank in Cockburn Sound, Western Australia, at 4 depths: 1.5, 4 and 8 m and at 14 m on the flat at the base of the bank. Pulse amplitude modulated (PAM) fluorescence, fluxes of oxygen and inorganic nutrients, N₂ fixation and denitrification were measured and sediments analysed for granulometry, pigments, fatty acids, neutral lipids, organic C and total N. There were 2 functional depth zones: 1.5 ~
ISSN:0171-8630
1616-1599
DOI:10.3354/meps08734