Proceedings of the first international workshop on sediment phosphorus

Ed.: Roland Psenner; Amarasinha Gunatilaka

1988. VI, 115 pages, 30 figures, 32 tables, 16x24cm, 280 g
Language: English

(Advances in Limnology, Volume 30)

ISBN 978-3-510-47028-0, paperback, price: 28.00 €

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limnology sediment phosphorus


Contents top ↑

In March 23rd 1986, a small group of scientists from 11 countries met at the Department of Limnology, University of Vienna, to discuss sediment phosphorus problems. The discussions lasted three days during which twenty lectures were delivered and discussed under the following headings: 1. Sedimentation, 2. Release, 3. Bioavailability and 4. Fractionation of P. The final day was devoted to summarize the information gathered and to make proposals for future research. Four working groups were formed for this task. In the first group (Sedimentation) the sources, transport and transformation processes of particulate phosphorus during sedimentation were discussed. The second group (Release) was dealing with concepts, causes and consequences of phosphorus fluxes through the interface. Group number three (Bioavailability) treated the availability of different P compounds to organisms, and group four (Fractionation) tried to summarize and to update the present knowledge of fractionation methods.

Some of the original papers presented at the meeting appear in this volume; working group summaries and recommendations are located at the end. The intention was not to present a detailed treatise on the phosphorus dynamics but rather an overview of the current knowledge, the state of the art and to list the topics which should be tackled intensively in the near future. At the end of the workshop the participants generally agreed that a better understanding of P dynamics in the sediment-water interface needs research in all the discussed topics viz. sedimentation, release, bioavailability, fractionation. As the outcome of the workshop was encouraging, a follow-up meeting is planned for 1988 in Sweden.

Contents top ↑

Preface V
List of participants VI
Golterman, H. L.: Reflections on fractionation and bioavailability of
sediment bound phosphate. 1 - 4
Sinke, A. J. C. & Cappenberg, Th. E.: Influence of bacterial processes
on the phosphorus release from sediments in the eutrophic Loosdrecht
Lakes, The Netherlands. (With 4 figures and 1 table in the text) 5 - 13
Gunatilaka, A.: Estimation of the available P-pool in a large
freshwater marsh. (With 1 figure and 5 tables in the text) 15 - 24
Pettersson, K. & Istvanovics, V.: Sediment phosphorus in Lake Balaton
- forms and mobility. (With 3 figures and 14 tables in the text) 25 - 41
Psenner, R. & Pucsko, R.: Phosphorus fractionation: advantages and
limits of the method for the study of sediment P origins and
interactions. (With 9 figures and 3 tables in the text) 43 - 59
Armengol, J. & Vidal, A.: The use of different phosphorus fractions
for the estimation of the trophic evolution of the Sau
Reservoir. (With 1 figure and 4 tables in the text) 61 - 70
Sager, M.: Comparison of the solubilities of phosphate and associate
metals in consecutive leaching techniques. (With 10 figures and 4
tables in the text) 71- 81
Sediment phosphorus group: Working group summaries and proposals for
future research. (With 2 figures and 1 table in the text) 83 - 112
Abbreviations 83 - 84
Bloesch, J., Armengol, J., Giovanoli, F. & Stabel, H.-H.: Phosphorus
in suspended and settling particulate matter of lakes 84 - 90
Jansson, M., Enell, M., Fleischer, S., Gachter, R., Keldermann, P.,
Lofgren, S., Nürnberg, G., Provini, A. & Sinke, A.: Phosphorus release
from lake sediments 90 - 93
Gunatilaka, A., Herodek, S., Istvanovics, V. & Dobolyi, E.: Biological
availability of sediment phosphorus 93 - 98
Psenner, R., Bostrom, B., Dinka, M., Pettersson, K., Pucsko, R. &
Sager, M.: Fractionation of phosphorus in suspended matter and
sediment 98 - 103
References 103--110
The addresses of the authors 111-112
Index 113 -115