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Estimates of Energy Budgets for a Typha (Cattail) Marsh

Science29 Jun 1962Vol 136, Issue 3522pp. 1119-1120DOI: 10.1126/science.136.3522.1119

Abstract

Yearly utilization of total solar radiation by a Typha marsh shows approximately equal allotment to reflection (albedo), evapotranspiration, and conduction-convection. Reflection during the growing season is proportionally lower because of greater light absorption by the vegetation. Photosynthesis is a negligible quantity, although in relation to visible radiation during the growing season it nearly equals reflection.

References

BILLINGS, W.D., REFLECTION OF VISIBLE AND INFRARED RADIATION FROM LEAVES OF DIFFERENT ECOLOGICAL GROUPS, AMERICAN JOURNAL OF BOTANY 38: 327 (1951).
Bray, J. R., in preparation.
BRAY, J.R., OIKOS 10: 38 (1959).
BRAY, J.R., MEASUREMENT OF LEAF UTILIZATION AS AN INDEX OF MINIMUM LEVEL OF PRIMARY CONSUMPTION, OIKOS 12: 70 (1961).
BRAY, J.R., ESTIMATE OF A MINIMUM QUANTUM YIELD OF PHOTOSYNTHESIS BASED ON ECOLOGIC DATA, PLANT PHYSIOLOGY 36: 371 (1961).
EAGLE, K, PLANTA 26: 546 (1937).
List, R. J., Smithsonian Meteorological Tables (1951).
Loomis, W., Photosynthesis and Related Processes 2 (1951).
PENMAN, H.L., THE ROLE OF VEGETATION IN METEOROLOGY, SOIL MECHANICS AND HYDROLOGY, BRITISH JOURNAL OF APPLIED PHYSICS 2: 145 (1951).
SHULL, C.A., A spectrophotometric study of reflection of light from leaf surfaces - Contributions from the Hull Botanical Laboratory 391, BOTANICAL GAZETTE 87: 583 (1929).
TRANSEAU, E.N., OHIO JOURNAL OF SCIENCE 26: 1 (1926).
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Science
Volume 136 | Issue 3522
29 June 1962

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Published in print: 29 June 1962

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J. Roger Bray
Department of Botany, University of Toronto, Toronto 5, Ontario

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