'Heat pump' drives oxygen supplies down to water-lily roots

June 1991
New Scientist;6/1/91, Vol. 130 Issue 1771, p22
Reports on the study of the flow of gases in aquatic plants with deep roots. Large air channels of the roots of aquatic plants; Aquatic plants used in the study; Involvement of heat in improving the oxygen supply; Involvement of the process of thermoosmosis and the phenomenon known as Knudsen diffusion; Ecological significance of the system.


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