Journal ArticleDOI
A report of green algal pigments in the Central North Pacific Ocean
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Thin-layer chromatography showed that chlorophyll b was present in acetone extracts of 6 samples of suspended matter collected in February 1973 from the Central North Pacific Ocean.Abstract:
Thin-layer chromatography showed that chlorophyll b was present in acetone extracts of 6 samples of suspended matter collected in February 1973 from the Central North Pacific Ocean. Pigment patterns showed the presence of green algae and diatoms through most of the euphotic zone down to 200 m. Ratios of chlorophyll b:a ranged from 0.2 to 0.5 at 5 and 100 m depths, but were less than 0.05 at 200 m.read more
Citations
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Journal ArticleDOI
Chlorophyll a Determination: Improvements in Methodology
Osmund Holm-Hansen,Bo Riemann +1 more
Journal ArticleDOI
Phytoplankton pigment distribution in relation to upper thermocline circulation in the eastern Mediterranean Sea during winter
TL;DR: In this paper, the influence of basinwide and subbasrascale circulation features on phytoplankton community composition and primary and new productions was investigated m the eastern Mediterranean during winter.
Journal ArticleDOI
Long-term changes in plankton community structure and productivity in the North Pacific Subtropical Gyre: The domain shift hypothesis
TL;DR: In this article, the average concentrations of chlorophyll a and the estimated rates of primary production in the surface waters of the North Pacific Subtropical Gyre (NPSG) off Hawaii have more than doubled while the concentrations of dissolved silicate and phosphate have decreased during the past three decades.
Journal ArticleDOI
Dominance of Cryptophyceae during the phytoplankton spring bloom in the central North Sea detected by HPLC analysis of pigments
W. W. C. Gieskes,G. W. Kraay +1 more
TL;DR: It is recommended that the classical method of counting phytoplankton for crop estimates be supplemented by chemotaxonomical studies with modern quantitative chromatographic methods such as HPLC for the measurement of algal pigments.
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Fucoxanthin pigment markers of marine phytoplankton analysed by HPLC and HPTLC
Simon W. Wright,S.W. Jeffrey +1 more
TL;DR: The HPTLC method provides a rapid screening technique for fucoxanthin pigments, complementing the more powerful but time-consuming HPLC, and may provide useful markers of phytoplankton in field samples.
References
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Journal ArticleDOI
New spectrophotometric equations for determining chlorophylls a, b, c1 and c2 in higher plants, algae and natural phytoplankton
S.W. Jeffrey,G.F. Humphrey +1 more
TL;DR: New equations are presented for spectrophotometric determination of chlorophylls, based on revised extinction coefficients of chloropylls a, b, c1 and c2, which may be used for determining chlorophyLLs a and b in higher plants and green algae.
Journal ArticleDOI
Fluorometric Determination of Chlorophyll
Journal ArticleDOI
A method for the determination of phytoplankton chlorophyll and phaeophytin by fluorescence
TL;DR: In this article, the concentration of chlorophyll and phaeophytin was measured in 85% acetone extracts using a sensitive fluorometer. The method is very sensitive in the 10 fluorescence units are equal to 0·001 O.D. 665 mμ 10 cm.
Journal ArticleDOI
An Introductory Account of the Smaller Algae of British Coastal Waters. Part V. Bacillariophyceae (Diatoms).
J. W. G. Lund,N. I. Hendey +1 more
Journal ArticleDOI
Profiles of photosynthetic pigments in the ocean using thin-layer chromatography
TL;DR: Phytoplankton pigments at a coastal station off Sydney, Australia, were studied by cellulose thinlayer chromatography and determined the position of patches of copepods, diatoms, green algae and dinoflagellates in the water column by noting the presence of definitive pigments on the chromatograms.
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