Buoyancy of natural populations of marine phytoplankton was studied in a fjord in western Norway during the diatom bloom and in autumn. The study was carried out under approximate in situ conditions by means of an apparatus described in the paper. During the spring bloom, positive buoyancy was obser
Hydrocarbons of marine phytoplankton
β Scribed by M. Blumer; R. R. L. Guillard; T. Chase
- Publisher
- Springer-Verlag
- Year
- 1971
- Tongue
- English
- Weight
- 641 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0025-3162
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β¦ Synopsis
The hydrocarbon contents of 23 species of algae (22 marine planktonic), belonging to 9 algal classes, were analyzed. The highly unsaturated 3,6,9,12,15,i8-heneicosahexaene predominates in the Bacillariophyceae, Dinophyeeae, Cryptophyceae, Haptophyeeae and ]~uglenophyceae. Rhizosolenia setiffera contains n-heneieosane, presumably derived from the hexaolefin by hydrogenation. Two isomeric heptadeeenes have been isolated: the double bond is located in 5-position in the bluegreen alga Synechococcus bacillarls and in 7-position in 2 green algae. Our complete analyses are discussed in the context of earlier data; some generalizations appear no longer valid. Hydrocarbon analysis of marine algae should provide a tool for the investigation of the dynamics of the marine food chain. Knowledge now available provides the background needed for distinguishing between hydrocarbons of recent biogenie origin and hydrocarbon pollutants from fossil fuels.
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