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|title: ||Interclonal variation in the performance of Daphnia-magna Straus in chronic bioassays|
|authors: ||Soares, Amadeu M. V. M.|
Baird, Donald J.
|keywords: ||Daphnia magna|
|issue date: ||1992|
|publisher: ||Society of Environmental Toxicology and Chemistry Press - SETAC|
|abstract: ||As an ecotoxicological test organism, Daphnia magna Straus has a long history and is now used extensively. Despite this, considerable variation in interlaboratory bioassays using the same reference toxicant has been reported. Using a standard quantitative genetics approach, the relative tolerance of different genotypes of Daphnia magna to two toxicants (sodium bromide and 3,4-dichloroaniline) was assessed. As expected, the environmental component of variability dominated the chronic response with a significant component of interaction. Differences between genotypes, although significant, were not large. It was concluded that genotype-environment interactions played a key role in determining chronic responses of Daphnia magna to both compounds. Some suggestions are given to improve the level of repeatability in Daphnia magna bioassays.|
|publisher version/DOI: ||http://dx.doi.org/10.1002/etc.5620111013|
|source: ||Environmental Toxicology and Chemistry|
|appears in collections||BIO - Artigos|
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