Microsensor studies of photosynthesis and respiration in larger symbiotic foraminifera. I The physico-chemical microenvironment of Marginopora vertebralis, Amphistegina lobifera and Amphisorus hemprichii

The physico-chemical microenvironment of larger benthic foraminifera was studied with microsensors for O2, CO2, pH, Ca(2+) and scalar irradiance. Under saturating light conditions, the photosynthetic activity of the endosymbiotic algae increased the O2 up to 183% air saturation and a pH of up to 8.6...

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Bibliographic Details
Published in:Marine biology 2000-10, Vol.137 (3), p.473-486
Main Authors: Kohler-Rink, S, Kuhl, M
Format: Article
Language:English
Subjects:
Algae
Amphisorus hemprichii
Amphistegina lobifera
Carbon dioxide
Foraminifera
Marginopora vertebralis
Marine biology
Photosynthesis
Respiratory system
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Summary:The physico-chemical microenvironment of larger benthic foraminifera was studied with microsensors for O2, CO2, pH, Ca(2+) and scalar irradiance. Under saturating light conditions, the photosynthetic activity of the endosymbiotic algae increased the O2 up to 183% air saturation and a pH of up to 8.6 was measured at the foraminiferal shell surface.
ISSN:0025-3162
1432-1793
DOI:10.1007/s002270000335