2006
DOI: 10.1590/s1519-69842006000400008
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The effect of the size of particles on mineralization of Oxycaryum cubense (Poepp. & Kunth) Lye

Abstract: Assays were carried out to evaluate effects of detritus size on the mineralization of an aquatic macrophyte, the Oxycaryum cubense. Samples of plant and water were collected from an oxbow lake, the Infernão lagoon (21° 35' S and 47° 51' W) located at Mogi Guaçu river floodplain. The plants were taken to the laboratory, washed under tap water, dried (50 °C) and fractioned into six groups according to their size, viz. 100, 10, 1.13, 0.78, 0.61 and 0.25 mm. Decomposition chambers were prepared by adding 1.0 g of … Show more

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Cited by 3 publications
(1 citation statement)
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“…The decomposition experiment with aquatic macrophytes from Óleo Lagoon (São Paulo, Brazil) recorded the lowest value of OC MAX (165 mg g -1 DW) in the mineralisation Salvinia auriculata and the highest (700 mg g -1 DW) of Egeria najas (Bianchini Jr. et al, 2008). The results were analogous, still, to those obtained in an experiment that tested the size of the detritus (from Scirpus cubensis) as a determinant of mineralisation, in this case the values of OC MAX ranged between 143 and 203 mg g -1 DW (Bianchini Jr. and Cunha-Santino, 2006). According to the low values of errors and high correlation coefficients (r 2 ) (Table 1), the selected model (Equation 2) was appropriate for the descriptions of the aerobic mineralisation kinetics.…”
Section: Discussionsupporting
confidence: 71%
“…The decomposition experiment with aquatic macrophytes from Óleo Lagoon (São Paulo, Brazil) recorded the lowest value of OC MAX (165 mg g -1 DW) in the mineralisation Salvinia auriculata and the highest (700 mg g -1 DW) of Egeria najas (Bianchini Jr. et al, 2008). The results were analogous, still, to those obtained in an experiment that tested the size of the detritus (from Scirpus cubensis) as a determinant of mineralisation, in this case the values of OC MAX ranged between 143 and 203 mg g -1 DW (Bianchini Jr. and Cunha-Santino, 2006). According to the low values of errors and high correlation coefficients (r 2 ) (Table 1), the selected model (Equation 2) was appropriate for the descriptions of the aerobic mineralisation kinetics.…”
Section: Discussionsupporting
confidence: 71%