Carbon dioxide exchange in lichens: low carbon dioxide compensation levels and lack of apparent photorespiratory activity in some lichens [Stictaceae]

Carbon dioxide exchange in lichens: low carbon dioxide compensation levels and lack of apparent photorespiratory activity in some lichens [Stictaceae]

A survey of thirteen species of lichen, ten being from the Stictaceae, revealed that the majority (10) had low carbon dioxide compensation levels (⩽ 25 μ l CO2l-1). The net photosynthetic rate of P. delisea-a high compensation-level species-was 60% greater in 1% oxygen than in 21% oxygen, whereas no...

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Veröffentlicht in:The Bryologist 1980-01, Vol.83 (4), p.505-507
Hauptverfasser: Snelgar, W. P., Green, T. G. A.
Format: Artikel
Sprache:eng
Schlagworte:
Algae
C3 plants
Carbon dioxide
Lichens
Oxygen
Photosynthesis
Physiology
Plants
Thallus
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Zusammenfassung:A survey of thirteen species of lichen, ten being from the Stictaceae, revealed that the majority (10) had low carbon dioxide compensation levels (⩽ 25 μ l CO2l-1). The net photosynthetic rate of P. delisea-a high compensation-level species-was 60% greater in 1% oxygen than in 21% oxygen, whereas no effect was found for P. billardierii-a low compensation-level species-indicating a low photorespiratory rate in the latter species.
ISSN:0007-2745
1938-4378
DOI:10.2307/3242303