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M. Hupfer, Anja Dollan (2003)
Immobilisation of phosphorus by iron-coated roots of submerged macrophytesHydrobiologia, 506-509
M. Heidenreich, A. Kleeberg (2003)
Phosphorus-binding in iron-rich sediments of a shallow Reservoir: spatial characterization based on sonar dataHydrobiologia, 506-509
W. Granéli, D. Solander (1988)
Influence of aquatic macrophytes on phosphorus cycling in lakesHydrobiologia, 170
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Eesti NSV järved ja nende kaitse.Valgus, Tallinn: 263 pp
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Role of sediment and internal loading of phosphorus in shallow lakesHydrobiologia, 506-509
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Phosphate mobilization in iron-rich anaerobic sediments : microbial Fe(III) oxide reduction versus iron-sulfide formationArchiv Fur Hydrobiologie, 139
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Fractionation of phosphorus in suspended matter and sediment
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PHOSPHOROUS RELEASE FROM LAKE SEDIMENTS, 18
(1988)
Sediment phosphorus in Lake Balaton – forms and mobility
We studied the potential release of phosphorus from the surface sediments of two shallow eutrophic lakes, plankton-dominated Lake Kaiavere and calcareous macrophyte-dominated Lake Prossa, in relation to phosphorus forms and anoxic-oxic conditions. The distribution of phosphorus forms was determined before and after six-week-long incubation of the sediments in oxic and anoxic (H2S enriched) conditions. The phosphorus fractionation scheme of Psenner et al. (1988) was basically followed. Summarising the release from all considered fractions, the L. Kaiavere sediment lost two times more phosphorus in anoxic than in oxic conditions while no significant difference between these oxygen conditions was found in the L. Prossa sediment. NH4Cl-RP and NaOH-RP showed similar release patterns in both sediments. In NaOH-NRP (the dominant fraction in both sediments), BD-RP and HCl-RP differences between lakes occurred. About half of the HCl-RP pool in L. Prossa sediment was released during the incubation whereas the phosphorus content in this fraction remained comparatively stable in L. Kaiavere sediments. Calcium-bound phosphorus compounds measured in this fraction seem to have a variable potential mobility. The results of this study indicate that the potential phosphorus release from a single sediment phosphorus fraction may differ between lakes despite similar oxygen conditions.
Hydrobiologia – Springer Journals
Published: Oct 10, 2004
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