Diurnal and bathymetric changes in chlorophyll fluorescence yields of reef corals measured in situ with a fast repetition rate fluorometer

By Michael Lesser, M. Gorbunov. 2001

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Citations in the corpus

Exposure to solar radiation increases damage to both host tissues and algal symbionts of corals during thermal stress (2004, background): “The significant quenching of Fm¢ parallels the decline in DF/Fm¢ and the increase in qN which supports a significant role for dynamic photoinhibition in protecting PSII (Jones et al. 1998; Warner et al. 1999; Gorbunov et al. 2001; Lesser and Gorbunov 2001).”
Chlorophyll Fluorescence in Reef Building Corals (2010, background): “When both productivity by respirometry and chlorophyll fluorescence are measured simultaneously, there is typically no apparent negative impact to total net daily productivity (oxygen production) of the whole coral colony, despite the observed daily decline in PSII activity (HoeghGuldberg and Jones ”
The ecological distribution and comparative photobiology of symbiotic dinoflagellates from reef corals in Belize: Potential implications for coral bleaching (2006, background): “Previous studies have documented a similar trend in corals in other areas of the Caribbean (Lesser and Gorbunov 2001; Warner et al. 2002) as well as in cultured zooxanthellae grown under different light intensities (Robison and Warner in press).”
Experimental biology of coral reef ecosystems (2004, methodology): “The optical properties of tropical waters also result in low attenuation coefficients and allow UVR to penetrate to depths of 15 m or more (Fig. 5, Smith and Baker, 1979; Gleason and Wellington, 1993; Shick et al., 1996; Lesser, 2000; Lesser and Gorbunov, 2001).”
CORAL PHOTOBIOLOGY STUDIED WITH A NEW IMAGING PULSE AMPLITUDE MODULATED FLUOROMETER 1 (2005, background): “Diel variations in coral photosynthetic parameters have been described before (Ralph et al. 1999, Jones and Hoegh-Guldberg 2001, Lesser and Gorbanov 2001).”
Response of two species of Indo-Pacific corals, Porites cylindrica and Stylophora pistillata, to short-term thermal stress: The host does matter in determining the tolerance of corals to bleaching (2009, background): “For example, the quantum yields of PSII fluorescence in corals are inversely related to depth (Lesser and Gorbunov, 2001; Iglesias-Prieto et al., 2004).”
Seasonal fluctuations in the photosynthetic capacity of photosystem II in symbiotic dinoflagellates in the Caribbean reef-building coral Montastraea (2002, background): “Recent work measuring PS II efficiency of reef corals by fast-repetition-rate (FRR) fluorometry at different depths near Lee Stocking Island also showed an increase in Fv/Fm with depth ( Lesser and Gorbunov 2001 ).”
Photographic assessment of coral chlorophyll contents: Implications for ecophysiological studies and coral monitoring (2009, unknown): “The fast repetition rate fluorometers (FRRF), also recently used in some coral studies (Lesser and Gorbunov, 2001), were custom-made instruments, andwill hence probably be even more expensive.”
Is photoinhibition of zooxanthellae photosynthesis the primary cause of thermal bleaching in corals? (2005, background): “Differences in the estimated rates of electron transport from chlorophyll fluorescence parameters and direct measurements of O2 evolution during the day (Lesser & Gorbunov, 2001) might suggest the possibility of an increased operation of a water–water cycle at high light intensities.”
Green‐fluorescent proteins in Caribbean corals (2003, unknown): “However, under low light (at depth or in shallow waters under cloudy skies), nonphotochemical quenching is virtually absent, maximizing the photosynthetic use of absorbed light energy (Gorbunov et al. 2001; Lesser and Gorbunov 2001).”
The impact of spectral composition and light periodicity on the activity of two antioxidant enzymes (SOD and CAT) in the coral Favia favus (2006, background): “5B) imply that the nonphotochemical quenching (NPQ) increases at these wavelengths (Lesser and Gorbunov, 2001).”
Photosynthesis in Marine Macroalgae (2003, methodology): “Lesser and Gorbunov, 2001; Lombardi et al., 2000).lnvesti gations of corals, sponges and macrophytes using the Diving-PAM are already well established (Beer and lIlan, 1998; Beer et aI., 1998a,b, 2000; Schreiber et al., 1997) and many more will be surely done in future times.”
DIFFERENTIAL IMPACTS OF PHOTOACCLIMATION AND THERMAL STRESS ON THE PHOTOBIOLOGY OF FOUR DIFFERENT PHYLOTYPES OF SYMBIODINIUM (PYRRHOPHYTA) 1 (2006, background): “Bleaching events can lead to massive coral mortality and further reef degradation (Harriott 1985, Berkelmans and Oliver 1999, Marshall and Baird 2000, Loya et al. 2001), and severe bleaching can suppress gametogenesis and therefore lead to lower fecundity (Baird and Marshall 2002).”
Photosynthetic performance of giant clams, Tridacna maxima and T. squamosa, Red Sea (2008, background): “…(in contrast to photodamage), which in turn is due to an increase of non photochemical-quenching, the release of an excess of light energy as heat and therefore, a down regulation of PS II, which is also found in corals (Ralph et al. 1999; Gorbunov et al. 2001; Lesser and Gorbunov 2001).”