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L. Ignatiades, T. Smayda (1970)
AUTECOLOGICAL STUDIES ON THE MARINE DIATOM RHIZOSOLENIA FRAGILISSIMA BERGON. II. ENRICHMENT AND DARK VIABILITY EXPERIMENTS 1Journal of Phycology, 6
D. Griffiths (1973)
Factors affecting the photosynthetic capacity of laboratory cultures of the diatom Phaeodactylum tricornutumMarine Biology, 21
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Carbohydrate metabolism in the marine diatom Skeletonema costatumMarine Biology, 4
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Studies of marine planktonic diatoms. I. Cyclotella nana Hustedt, and Detonula confervacea (cleve) Gran.Canadian journal of microbiology, 8
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The survival of axenic cultures of marine planktonic algae from prolonged exposure to darkness at 20 CPhycologia, 9
J. Ryther, R. Guillard (1962)
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T. Smayda (1958)
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J. Hellebust, J. Terborgh (1967)
EFFECTS OF ENVIRONMENTAL CONDITIONS ON THE RATE OF PHOTOSYNTHESIS AND SOME PHOTOSYNTHETIC ENZYMES IN DUNALIELLA TERTIOLECTA BUTCHER1Limnology and Oceanography, 12
C. Yentsch, Carol Reichert (1963)
THE EFFECTS OF PROLONGED DARKNESS ON PHOTOSYNTHESIS, RESPIRATION, AND CHLOROPHYLL IN THE MARINE FLAGELLATE, DUNALIELLA EUCHLORA1Limnology and Oceanography, 8
227 25 25 3 3 T. J. Smayda B. Mitchell-Innes Graduate School of Oceanography University of Rhode Island Kingston Rhode Island USA Abstract A general ecological problem is considered: how long can a photoautotrophic microalga, incapable of producing a resting spore (stage), retain its viability in the dark following removal from the euphotic zone? Nine coastal diatoms, including some capable of producing resting spores, were kept in the dark for 90 days at 15°C, and their growth (viability) checked at periodic intervals upon reillumination. Seven of the 9 diatoms retained their viability for 90 days; generation time of illuminated cells then ranged from 2.5 to 10 days. Skeletonema costatum survived only 7 weeks of darkness. Based on the present and published observations, dark survival of this species is inversely related to temperature; it survives at least 24 weeks at 2°C, and from 1 to 4 weeks at 20°C. None of the species was observed to grow in the dark. The effects of temperature and light on dark survival, and of darkness on the chemical composition and photosynthesis following reillumination as reported in the scattered literature are evaluated. Together with the present observations, it is suggested that dark survival of photoautotrophic microalgae: (1) varies between species; (2) may be temperature dependent in some species, as in S. costatum ; (3) may be prolonged by periodic illumination at subcompensation intensities for photosynthesis, as shown in Dunaliella tertiolecta . The potential ecological significance of these findings is also considered, should these in vitro results apply to natural populations.
Marine Biology – Springer Journals
Published: Jun 1, 1974
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