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  • This data set describes the concentrations of copper, lead and iron in the calcareous tests of heart urchins that were exposed to spiked sediments for 60 days. Porewater is the water extracted from between sand grains. Filtered porewater has been filtered. DGT stands for Diffuse Gel Transfer. The HCl extraction listed in one of the excel spreadsheets is an extraction from the actual sediment. The fields in this dataset are: Isotope Concentration Porewater Filtered Porewater DGT Porewater

  • This data set describes the toxicity of marine sediment spiked with contaminated soil from Thala Valley tip site at Casey. The temperate heart urchin species Echinocardium cordatum was exposed for up to 10 days with daily observations of the degree of burial of the animals. The data for this project was collected as part of the umbrella project ASAC_2201. The fields for this dataset are: Date Time Urchin Buried Alive Salinity Dissolved Oxygen pH Temperature