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Effect of interactions between temperature and nitrate supply on the cell-division rates of two marine phytoflagellates

โœ Scribed by W. H. Thomas; A. N. Dodson


Publisher
Springer-Verlag
Year
1974
Tongue
English
Weight
462 KB
Volume
24
Category
Article
ISSN
0025-3162

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โœฆ Synopsis


Half-saturation constants and maximum cell-division rates were determined at two temperatures for nitrate-limited growth of the two marine phytoflagellatcs Dunaliella sp. and Gymnodinium splendens, using batch-culture techniques. The halfsaturation constant, K~, increased with increasing temperature, but maximum cell-division rates increased with increasing temperature in only one of the algae studied, G. splendens. It is suggested that changes in K, with temperature impose a double stress on these phy~op~nkton when they grow in nitrate-depleted, high-temperature water.


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