Dataset for: Assessing the efficacy of a sediment remediation programme using benthic and pelagic copepod bioassays
Tributyltin (TBT) is an organotin chemical commonly found in ship antifouling paints. Despite being banned in 2008, TBT continues to be found at toxic levels in areas of high maritime traffic such as ports and harbours. A remediation programme was conducted at a New Zealand port to reduce TBT and copper concentrations to acceptable values. This study assessed the efficacy of the programme using a combination of analytical chemistry and copepod bioassays. Sediment and water samples were collected at three locations across a spatial gradient within the port, and organotin and metal levels were measured pre and post remediation. The toxicity of sediment and elutriate samples was estimated by benthic and pelagic copepod bioassays. While acute toxicity in sediment samples was reduced following remediation, reproductive success was still affected for the benthic copepod. The approach used in this study is promising to assess the efficacy of remediation processes at coastal sites.
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Charry, Maria P; Keesing, Vaughan; Gaw, Sally; Costello, Mark; Champeau, Olivier; Tremblay, Louis; et al. (2019): Dataset for: Assessing the efficacy of a sediment remediation programme using benthic and pelagic copepod bioassays. Wiley. Collection. https://doi.org/10.6084/m9.figshare.c.4731332.v1
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Maria P Charry