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- Title
A PROCEDURE FOR THE SIMULTANEOUS MEASUREMENT OF NET CO<sub>2</sub>-EXCHANGE AND NITROGENASE ACTIVITY IN LICHENS.
- Authors
Crittenden, P. D.; Kershaw, K. A.
- Abstract
A sensitive and rapid procedure is described for the simultaneous measurement of mean rates of net CO2-exchange and nitrogenase activity (acetylene reduction) in cyanophilic lichens. It involves a reaction gas chromatographic technique for the determination of CO2 and ethylene. Data on concurrent rates of net CO2exchange and nitrogenase activity in Peltigera canina (L.) Wild. var. praetextata (Flörke em. Sommerf.) Hue and Stereocaulon paschale (L.) Hoffm. at different levels of thallus water content are presented in order to illustrate the application of the new method.
- Subjects
CARBON dioxide; NITROGENASES; LICHENS; GAS chromatography; ETHYLENE; STEREOCAULON
- Publication
New Phytologist, 1978, Vol 80, Issue 2, p393
- ISSN
0028-646X
- Publication type
Article
- DOI
10.1111/j.1469-8137.1978.tb01573.x