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- W1965073972 abstract "AME Aquatic Microbial Ecology Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials AME 50:209-220 (2008) - DOI: https://doi.org/10.3354/ame01179 Bacterial and viral dynamics during a mass coral spawning period on the Great Barrier Reef N. L. Patten1,2,*, J. G. Mitchell2, M. Middelboe3, B. D. Eyre4, L. Seuront2, P. L. Harrison1, R. N. Glud3,5 1School of Environmental Science and Management, Southern Cross University, PO Box 157, Lismore, New South Wales 2480, Australia 2School of Biological Sciences, Flinders University, PO Box 2100, Adelaide, South Australia 5001, Australia 3Marine Biological Laboratory, University of Copenhagen, Strandpromenaden 5, 3000 Helsingør, Denmark 4Centre for Coastal Biogeochemistry, Southern Cross University, PO Box 157, Lismore, New South Wales 2480, Australia 5Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Dunbeg, Oban, Argyll PA37 1QA, UK *Email: nicole.patten@flinders.edu.au ABSTRACT: Bacterial and virus-like particle (VLP) abundances and physical and chemical parameters were measured in reef water and sediments over a 10 d period, coinciding with mass coral spawning at Heron Island, Great Barrier Reef. Bacterial abundances in reef water increased 2-fold after spawning and remained elevated for 3 d, before declining to below pre-spawning values. Reef water VLP abundances were also elevated 2 d after spawning; however, VLP abundances exhibited a general decline over the study. Dissolved oxygen (DO) and total nitrogen (TN) concentrations appeared to be dominant factors driving reef water bacterial and VLP dynamics. Sediment bacterial and VLP abundances exceeded those in the water column by up to 3 orders of magnitude and exhibited strong positive correlations for all investigated sediment depths. While short-lived peaks in bacterial and VLP abundances within sediments lagged behind water column trends by 2 d, reef water total phosphorus (TP) concentrations were strongly correlated with sediment bacterial and VLP abundances. Shifts in bacterial and VLP abundances in reef water and sediments during the study corresponded with 2 distinct periods: one prior to, and one after the first night of intense spawning. Scavenging by sedimenting coral spawn material is proposed as a direct mechanism contributing to these shifts, by removing bacteria and VLPs from the water column. The input of organic matter and associated nutrients from mass coral spawning, and the immediate and strongly correlated responses of bacteria and VLPs, indicate that viruses are important players in nutrient cycling processes in coral reefs. KEY WORDS: Virus · Bacteria · Coral reef · Spawning · Sediment Full text in pdf format NextCite this article as: Patten NL, Mitchell JG, Middelboe M, Eyre BD, Seuront L, Harrison PL, Glud RN (2008) Bacterial and viral dynamics during a mass coral spawning period on the Great Barrier Reef. Aquat Microb Ecol 50:209-220. https://doi.org/10.3354/ame01179Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in AME Vol. 50, No. 3. Online publication date: March 26, 2008 Print ISSN: 0948-3055; Online ISSN: 1616-1564 Copyright © 2008 Inter-Research." @default.
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- W1965073972 title "Bacterial and viral dynamics during a mass coral spawning period on the Great Barrier Reef" @default.
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