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Production and fate of copepod fecal pellets acrossthe Southern Indian Ocean
National Environmental Research Institute,.
Stockholm University, Faculty of Science, Department of Systems Ecology.
National Institute of Aquatic Resources.
Phuket Marine Biological Center.
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2011 (English)In: Marine Biology, ISSN 0025-3162, E-ISSN 1432-1793, Vol. 158, no 3, 677-688 p.Article in journal (Refereed) Published
Abstract [en]

The vertical distribution of copepods, fecal pellets and the fecal pellet production of copepods were measured at seven stations across the Southern Indian Ocean from productive areas off South Africa to oligotrophic waters off Northern Australia during October/November 2006. We quantified export of copepod fecal pellet from surface waters and how much was retained. Furthermore, the potential impact of Oncaea spp. and harpacticoid copepods on fecal pellets degradation was evaluated and found to be regional substantial. The highest copepod abundance and fecal pellet production was found in the western nutrient-rich stations close to South Africa and the lowest at the central oligotrophic stations. The in situ copepod fecal pellet production varied between 1 and 1,000 mu g C m(-3) day(-1). At all stations, the retention of fecal pellets in the upper 400 m of the water column was more than 99% and the vertical export of fecal pellets was low (< 0.02 mg m(-2) day(-1)).

Place, publisher, year, edition, pages
2011. Vol. 158, no 3, 677-688 p.
National Category
Marine Engineering Biological Sciences
URN: urn:nbn:se:su:diva-53015DOI: 10.1007/s00227-010-1591-5ISI: 000287525100018OAI: diva2:389600
authorCount :6Available from: 2011-01-19 Created: 2011-01-19 Last updated: 2012-01-02Bibliographically approved

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