Decomposition Rate of Submerged Plants

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dc.contributor.authorShilla, Daniel
dc.contributor.authorAsaeda, Takashi
dc.contributor.authorFujino, Takeshi
dc.contributor.authorSanderson, Brian
dc.date.accessioned2016-07-08T12:31:50Z
dc.date.available2016-07-08T12:31:50Z
dc.date.issued2013-04
dc.description.abstractBreakdown and nutrient dynamics of submerged macrophytes were studied in Myall Lake, Australia. Mass loss of Myriophyllum sulsagineum was the lowest (64.90%) among the studied macrophytes during the 322 days followed by charophytes (60.79%), whereas Najas marina and Vallisneria gigantea lost 91.15 and 86.02% of their respective initial mass during that time. The overall exponential breakdown rates of Najas marina and Vallisneria gigantea were similar, with k-values of 0.24 and 0.23 day 1 , respectively. These rates were significantly higher than the break down rates of charophytes (0.007 day 1 ) and M. sulsagineum (0.008 day 1 ). During growth phase, water column depicted lower nutrient concentrations while during decay period, significant increase in water column nutrients resulted. Release of nutrients from decomposing macrophytes and incorporation of these nutrients into sedimentary phase as well as uptake of nutrients by the growing macrophytes, can present a considerable cycling pathway of nutrients in Myall lake system. The results of this study suggest that different submerged macrophytes may differ appreciably in quality and may exhibit different decomposition rates, patterns and nutrient dynamics in aquatic ecosystems in general, and Myall lakes in particular.en_US
dc.identifier.doi10.1007/s11273-006-6294-9
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2953
dc.language.isoenen_US
dc.publisherSpringer Linken_US
dc.subjectDecay ratesen_US
dc.subjectMyall Lakeen_US
dc.subjectNutrient cyclingen_US
dc.subjectSubmerged macrophytesen_US
dc.titleDecomposition Rate of Submerged Plantsen_US
dc.typeDataseten_US
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