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Title: Photoacclimation, growth and distribution of massive coral species in clear and turbid waters
Authors: Hennige, S.J.
Smith, D.J.
Perkins, R.
Consalvey, M
Paterson, David Maxwell
Suggett, D.J.
Keywords: Chlorophyll a fluorescence
Massive coral
Shade-adapted colonies
Fast repetition rate
Measured in-situ
Fluorescence measurements
Chlorophyll fluorescence
Photosynthetic activity
Community structure
Aquatic ecosystems
Hermatypic coral
QH301 Biology
Issue Date: 13-Oct-2008
Citation: Hennige , S J , Smith , D J , Perkins , R , Consalvey , M , Paterson , D M & Suggett , D J 2008 , ' Photoacclimation, growth and distribution of massive coral species in clear and turbid waters ' Marine Ecology Progress Series , vol 369 , pp. 77-88 . , 10.3354/meps07612
Abstract: ABSTRACT: Massive coral species play a key role in coral reef ecosystems, adding significantly to physical integrity, long term stability and reef biodiversity. This study coupled the assessment of the distribution and abundance of 4 dominant massive coral species, Diploastrea heliopora, Favia speciosa, F. matthaii and Porites lutea, with investigations into species-specific photoacclimatory responses within the Wakatobi Marine National Park of southeast Sulawesi, Indonesia, to determine the potential of photoacclimation to be a driver of biological success. For this, rapid light curves using pulse amplitude modulated (PAM) chlorophyll a fluorescence techniques were employed with additional manipulations to circumvent differences of light quality and absorption between species and across environmental gradients. P. lutea was examined over a range of depths and sites to determine patterns of photoacclimation, and all 4 species were assessed at a single depth between sites for which long-term data for coral community structure and growth existed. Light availability was more highly constrained with depth than between sites; consequently, photoacclimation patterns for P. lutea appeared greater with depth than across environmental gradients. All 4 species were found to differentially modify the extent of non-photochemical quenching to maintain a constant photochemical operating efficiency (qP). Therefore, our results suggest that these massive corals photoacclimate to ensure a constant light-dependent rate of reduction of the plastoquinone pool across growth environments.
Version: Publisher PDF
Status: Peer reviewed
ISSN: 0171-8630
Type: Journal article
Rights: (c) Copyright Inter-Research 2008. This article is deposited in accordance with the publisher's policy.
Appears in Collections:Scottish Oceans Institute Research
Biology Research
University of St Andrews Research

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