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Spectrophotometric and paper chromatographic analyses have been made of pigments in the summer phytoplankton of eight lakes that widely differ in trophic characteristics.
A comparison has been made between Margalef's pigment ratio, the carotenoid/chlorophyll-a ratio, the pigment...
Wittrockiella paradoxa Wille, 1909, described from a saline area in Norway, was recently discovered in several saltmarshes in N.W. Europe.
In the Dutch and German Wadden area, in North Norfolk (England) and along the English Channel coast it occurred in living and decaying stems,...
The relative abundance in Lake Bonney of the trace elements studied was B≫M>Fe>Cu>Ni>Mo>Co, with more than 90 per cent of each element in the monimolimnion.
The monimolimnion contains concentrations of B which are probably toxic to phytoplankton, and Cu concentrations which are at...
In literature a controversy exists on the relationship between the sequence in which intertidal large brown algae occur in zones between the tide-marks and their rates of water loss.
The water loss of six species under room conditions has been measured. These species (from upper to...
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