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Biological and physical interactions on a tropical island coral reef: Transport and retention processes on moorea, French Polynesia

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Date
2013-09-01
Authors
Leichter, James
Alldredge, Alice
Bernardi, Giacomo
Brooks, Andrew
Carlson, Craig
Carpenter, Robert
Edmunds, Peter
Fewings, Melanie
Hanson, Katharine
Hench, James
Holbrook, Sally
Nelson, Craig
Schmitt, Russell
Toonen, Robert
Washburn, Libe
Wyatt, Alex
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(16 total)
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Abstract
The Moorea Coral Reef Long Term Ecological Research project funded by the US National Science Foundation includes multidisciplinary studies of physical processes driving ecological dynamics across the fringing reef, back reef, and fore reef habitats of Moorea, French Polynesia. A network of oceanographic moorings and a variety of other approaches have been used to investigate the biological and biogeochemical aspects of water transport and retention processes in this system. There is evidence to support the hypothesis that a low-frequency counterclockwise flow around the island is superimposed on the relatively strong alongshore currents on each side of the island. Despite the rapid flow and flushing of the back reef, waters over the reef display chemical and biological characteristics distinct from those offshore. The patterns include higher nutrient and lower dissolved organic carbon concentrations, distinct microbial community compositions among habitats, and reef assemblages of zooplankton that exhibit migration behavior, suggesting multigenerational residence on the reef. Zooplankton consumption by planktivorous fish on the reef reflects both retention of reef-associated taxa and capture by the reef community of resources originating offshore. Coral recruitment and population genetics of reef fishes point to retention of larvae within the system and high recruitment levels from local adult populations. The combined results suggest that a broad suite of physical and biological processes contribute to high retention of externally derived and locally produced organic materials within this island coral reef system. © 2013 by The Oceanography Society. All rights reserved.
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Journal article
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https://hdl.handle.net/10161/10764
Published Version (Please cite this version)
10.5670/oceanog.2013.45
Publication Info
Leichter, James; Alldredge, Alice; Bernardi, Giacomo; Brooks, Andrew; Carlson, Craig; Carpenter, Robert; ... Wyatt, Alex (2013). Biological and physical interactions on a tropical island coral reef: Transport and retention processes on moorea, French Polynesia. Oceanography, 26(3). pp. 52-63. 10.5670/oceanog.2013.45. Retrieved from https://hdl.handle.net/10161/10764.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Hench

James Hench

Associate Professor of Oceanography
Research in my lab focuses on fluid dynamics in the coastal ocean and its effects on transport processes. We use field measurements, computational models, and theoretical analyses to understand fundamental physical processes in these systems. We also work extensively on interdisciplinary problems that have a significant physical component to better understand the effects of water motion on the geochemistry, biology, and ecology of shallow marine systems. Much of our research is
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