{"title":"The effects of oil-based drill-muds in sediments on the settlement and development of biota in a 200-day tank test","authors":"R.A.A. Blackman, T.W. Fileman, R.J. Law, J.E. Thain","doi":"10.1016/S0269-8579(88)80007-8","DOIUrl":null,"url":null,"abstract":"<div><p>Planktonic organisms from natural estuarine waters were allowed to settle in tanks floored with autoclaved natural sediment mixed with oil-based drill-muds to give an initial oil concentration of 1000 × the background total hydrocarbon content. Over the 200 days of the experiment, there was a marked difference between the biota developing in tanks containing oil-based drill-muds, and in the control tank, which received drill-mud solids only, without any oil. Differences in effect werefound between two drill-muds, based on alternative oils of moderate and low aromatic hydrocarbon content, but there was a greater difference between these two muds and a diesel-based mud. Biota developed, even in the diesel-mud tank, when surficial sediment oil concentrations fell, despite high oil concentrations remaining in the subsurface sediments.</p></div>","PeriodicalId":100982,"journal":{"name":"Oil and Chemical Pollution","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0269-8579(88)80007-8","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Oil and Chemical Pollution","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0269857988800078","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
Planktonic organisms from natural estuarine waters were allowed to settle in tanks floored with autoclaved natural sediment mixed with oil-based drill-muds to give an initial oil concentration of 1000 × the background total hydrocarbon content. Over the 200 days of the experiment, there was a marked difference between the biota developing in tanks containing oil-based drill-muds, and in the control tank, which received drill-mud solids only, without any oil. Differences in effect werefound between two drill-muds, based on alternative oils of moderate and low aromatic hydrocarbon content, but there was a greater difference between these two muds and a diesel-based mud. Biota developed, even in the diesel-mud tank, when surficial sediment oil concentrations fell, despite high oil concentrations remaining in the subsurface sediments.
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