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Elutriate preparation affects embryo development test with Paracentrotus lividus: An in-depth study on the differences between two protocols and three different sediment/water mixing times

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Academic year: 2021

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Table 1 shows organic matter content and heavy metal concentra- concentra-tions in the surface sediments of Toulon, Olbia, and Cagliari
Fig. 2. Percentage (%) of well developed plutei (P4) in sediment elutriates prepared according to: standard ASTM and USACE method (a), ASTM and USACE  modified method with 3 h of stirring time (b), and ASTM and USACE modified method with 24 h of stirring t
Fig. 3. Correlation between concentration of As, Cu, Ni, Cr, Pb, and Zn (mg/kg) and percentage (%) of silt in sampled sediment

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