Research Article
Aug 1970
Biological Effects on Sediment-Water Nutrient Interchange
Authors: Donald B. Procella, James S. Kumagai, AM.ASCE, and E. Joe Middlebrooks, M.ASCEAuthor Affiliations
Publication: Journal of the Sanitary Engineering Division
Volume 96, Issue 4
Abstract
It was found that the different types of sediments varied in their ability to support algal growth and that this was related to the amount of available phosphorus measured in the sediments. Although the amount of phosphorus released from the sediments varied with the type of sediment, it seemed apparent that all of the available phosphorus eventually would be extracted in the 15-cm layer of sediment studied in these microcosms. The development of a thick mat of Oscillatoria caused an increase in productivity due to the increased transfer of phosphorus from the sediment; and, in general, the more productive systems had sediments containing greater amounts of phosphorus. Also, the equilibration of 32P with stable phosphate occurred more rapidly in the more productive systems, and this rate of equilibration appeared to be associated with the sediments themselves. Hence 32P exchange with stable P was related to the concentration of available phosphorus in the system.
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Published In
Journal of the Sanitary Engineering Division
Volume 96 • Issue 4 • August 1970
Pages: 911 - 926
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Aug 1970
Published online: Feb 12, 2021
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Authors
Affiliations
Donald B. Procella
Asst. Research Zoologist, Sanitary Engineering Research Lab, Univ. of California, Berkeley, Calif.
James S. Kumagai, AM.ASCE
Senior Engineer, Sunn, Low, Tom, and Hara, Inc., Honolulu, Hawaii
E. Joe Middlebrooks, M.ASCE
Asst. Director, Sanitary Engineering Research Lab, Univ. of California Berkeley Calif.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.