Articles | Volume 18, issue 19
Biogeosciences, 18, 5313–5326, 2021
Biogeosciences, 18, 5313–5326, 2021
Research article
01 Oct 2021
Research article | 01 Oct 2021

Tolerance of tropical marine microphytobenthos exposed to elevated irradiance and temperature

Sazlina Salleh and Andrew McMinn

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Cited articles

Berry, J. and Bjorkman, O.: Photosynthetic response and adaptation to temperature in higher plants, Annu. Rev. Plant Physiol., 31, 491–543,, 1980. 
Blanchard, G., Guarini, J., and Dang, C.: Characterizing and quantifying photoinhibition in intertidal microphytobenthos, J. Phycol., 40, 692–696,, 2004. 
Campbell, D. A. and Tyystjärvi, E.: Parameterization of photosystem II photoinactivation and repair, Biochim. Biophys. Acta, 1817, 258–265,, 2012. 
Cartaxana, P., Ruivo, M., Hubas, C., and Davidson, I.: Physiological versus behavioral photoprotection in intertidal epipelic and epipsammic benthic diatom communities, J. Exp. Mar. Bio. Ecol., 405, 120–127,, 2011. 
Cartaxana, P., Domingues, N., Cruz, S., and Jesus, B.: Photoinhibition in benthic diatom assemblages under light stress, Aquat. Microb., 70, 87–92,, 2013. 
Short summary
The benthic diatom communities in Tanjung Rhu, Malaysia, were regularly exposed to high light and temperature variability during the tidal cycle, resulting in low photosynthetic efficiency. We examined the impact of high temperatures on diatoms' photosynthetic capacities, and temperatures beyond 50 °C caused severe photoinhibition. At the same time, those diatoms exposed to temperatures of 40 °C did not show any sign of photoinhibition.
Final-revised paper