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Keywords: coral
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Journal Articles
J Exp Biol (2020) 223 (11): jeb206961.
Published: 29 May 2020
...Melody S. Clark ABSTRACT Much recent marine research has been directed towards understanding the effects of anthropogenic-induced environmental change on marine biodiversity, particularly for those animals with heavily calcified exoskeletons, such as corals, molluscs and urchins. This is because...
Journal Articles
J Exp Biol (2017) 220 (12): 2236–2242.
Published: 15 June 2017
...Ronald Osinga; Marlous Derksen-Hooijberg; Tim Wijgerde; Johan A. J. Verreth ABSTRACT Rates of dark respiration and net photosynthesis were measured for six replicate clonal fragments of the stony coral Galaxea fascicularis (Linnaeus 1767), which were incubated under 12 different combinations...
Journal Articles
J Exp Biol (2016) 219 (4): 516–527.
Published: 15 February 2016
...Katie E. Hillyer; Sergey Tumanov; Silas Villas-Bôas; Simon K. Davy ABSTRACT Bleaching (dinoflagellate symbiont loss) is one of the greatest threats facing coral reefs. The functional cnidarian–dinoflagellate symbiosis, which forms coral reefs, is based on the bi-directional exchange of nutrients...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (23): 4341–4346.
Published: 01 December 2013
...Maoz Fine; Shai Sabbah; Nadav Shashar; Ove Hoegh-Guldberg SUMMARY Coral–algae symbiosis is a key feature of tropical corals and is highly dependent on the efficiency with which solar energy is attenuated by the coral. Scleractinian corals are among the most efficient light collectors in nature...
Journal Articles
J Exp Biol (2013) 216 (14): 2665–2674.
Published: 15 July 2013
...Eric Béraud; François Gevaert; Cécile Rottier; Christine Ferrier-Pagès SUMMARY The physiological response of the scleractinian coral Turbinaria reniformis to ammonium enrichment (3 μmol l −1 ) was examined at 26°C as well as during a 7 day increase in temperature to 31°C (thermal stress). At 26°C...
Journal Articles
J Exp Biol (2012) 215 (8): 1384–1393.
Published: 15 April 2012
...Pascale Tremblay; Renaud Grover; Jean François Maguer; Louis Legendre; Christine Ferrier-Pagès SUMMARY Corals live in symbiosis with dinoflagellates of the genus Symbiodinum . These dinoflagellates translocate a large part of the photosynthetically fixed carbon to the host, which in turn uses...
Journal Articles
J Exp Biol (2011) 214 (24): 4240–4249.
Published: 15 December 2011
... patterns as well as environmental influences on immune defenses will provide insight into the persistence of a functional system through adverse conditions. Amongst the most threatened ecosystems are coral reefs, with coral disease epizootics and thermal stress jeopardizing their survival. Immune defenses...
Journal Articles
J Exp Biol (2011) 214 (20): 3351–3357.
Published: 15 October 2011
...Tim Wijgerde; Rara Diantari; Muhammad Wahyudin Lewaru; Johan A. J. Verreth; Ronald Osinga SUMMARY Internal and external feeding on zooplankton may provide scleractinian corals with important nutrients. However, the latter process has never been properly quantified. To quantify the dynamics...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2011) 214 (16): 2749–2754.
Published: 15 August 2011
...Claire Godinot; Renaud Grover; Denis Allemand; Christine Ferrier-Pagès SUMMARY Several untested aspects of the regulation of inorganic nutrient uptake were examined using nutrient depletion experiments with the symbiotic coral Stylophora pistillata . The total inhibition of phosphate uptake...
Journal Articles
J Exp Biol (2010) 213 (24): 4304–4312.
Published: 15 December 2010
... of milliseconds. Shallow coral reefs can be exposed to wave lensing during light-wind, clear-sky conditions, which have been implicated as a secondary cause of mass coral bleaching through light stress. Management strategies to protect small areas of high-value reef from wave-lensed light stress were tested using...
Journal Articles
J Exp Biol (2010) 213 (23): 4084–4091.
Published: 01 December 2010
...T. Mass; D. I. Kline; M. Roopin; C. J. Veal; S. Cohen; D. Iluz; O. Levy SUMMARY Depth zonation on coral reefs is largely driven by the amount of downwelling, photosynthetically active radiation (PAR) that is absorbed by the symbiotic algae (zooxanthellae) of corals. The minimum light requirements...
Journal Articles
J Exp Biol (2008) 211 (19): 3059–3066.
Published: 01 October 2008
...Virginia M. Weis SUMMARY Cnidarian bleaching is a breakdown in the mutualistic symbiosis between host Cnidarians, such as reef building corals, and their unicellular photosynthetic dinoflagellate symbionts. Bleaching is caused by a variety of environmental stressors, most notably elevated...
Journal Articles
J Exp Biol (2008) 211 (6): 860–865.
Published: 15 March 2008
...Renaud Grover; Jean-François Maguer; Denis Allemand; Christine Ferrier-Pagès SUMMARY This study was designed to assess the importance of dissolved free amino acids (DFAA) as a nitrogen source for the scleractinian coral Stylophora pistillata . For this purpose, experiments were performed using 15...
Journal Articles
J Exp Biol (2007) 210 (14): 2453–2463.
Published: 15 July 2007
...Alan T. Marshall; Peta L. Clode; Robert Russell; Kathryn Prince; Richard Stern SUMMARY It is shown by x-ray microanalysis that a gradient of total intracellular Ca concentration exists from the outer oral ectoderm to the inner skeletogenic calicoblastic ectoderm in the coral Galaxea fascicularis...
Journal Articles
J Exp Biol (2006) 209 (22): 4574–4579.
Published: 15 November 2006
...Masaya Morita; Akira Nishikawa; Ayako Nakajima; Akira Iguchi; Kazuhiko Sakai; Akihiro Takemura; Makoto Okuno SUMMARY Corals perform simultaneous mass spawning around the full moon. Most Acropora species release gamete bundles, which are a complex of eggs and sperm, into the seawater. Then, gamete...
Journal Articles
J Exp Biol (2005) 208 (5): 843–848.
Published: 01 March 2005
...Rinkevich Baruch; Nanthawan Avishai; Claudette Rabinowitz SUMMARY This study evaluates in vitro the effects of UVB irradiation on three cellular compartments of a shallow water coral species. Coral tissues were dissociated by Ca 2+ -Mg 2+ -free artificial seawater. Cell suspensions were divided...
Journal Articles
J Exp Biol (2005) 208 (1): 75–81.
Published: 01 January 2005
... of the absorbance of light by the endosymbiotic dinoflagellates and the carbonate skeleton. When corals bleach (loose dinoflagellate symbionts),however, the tissue of the corals become highly transparent and photosynthetic microendoliths may be exposed to high levels of both thermal and solar stress. This study...
Journal Articles
J Exp Biol (2005) 208 (1): 3–14.
Published: 01 January 2005
..., Weinheimer and Spraggins discovered that one species of coral ( Plexaura homomalla ) contains up to 8% of its dry mass as PG esters. For a short time, in the absence of other available routes to synthesize PGs, this coral provided a ready source of precursors for the synthesis of such compounds for use...
Journal Articles
J Exp Biol (2004) 207 (9): 1461–1469.
Published: 01 April 2004
...Fanny Houlbrèque; Eric Tambutté; Denis Allemand; Christine Ferrier-Pagès SUMMARY We investigated the effect of zooplankton feeding on tissue and skeletal growth of the scleractinian coral Stylophora pistillata . Microcolonies were divided into two groups: starved corals (SC), which were not fed...
Journal Articles
J Exp Biol (2003) 206 (22): 4041–4049.
Published: 15 November 2003
...O. Levy; Z. Dubinsky; Y. Achituv SUMMARY Tentacle expansion and contraction were investigated in four zooxanthellate coral species and one azooxanthellate coral ( Cladopsammia gracilis ). Favia favus, Plerogyra sinuosa and Cladopsammia gracilis expand their tentacles at night, while tentacles...