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A screen device to eliminate “floaters” in daphnia magna toxicity tests
Author(s) -
Dean Janet H.,
DeGraeve G. Michael
Publication year - 1986
Publication title -
environmental toxicology and chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.1
H-Index - 171
eISSN - 1552-8618
pISSN - 0730-7268
DOI - 10.1002/etc.5620051205
Subject(s) - daphnia magna , daphnia , toxicity , cladocera , chemical toxicity , effluent , environmental science , toxicology , environmental chemistry , biology , chemistry , zoology , environmental engineering , crustacean , organic chemistry
Daphnia magna are commonly trapped at the surface of test waters in D. magna toxicity tests. These “floaters” complicate interpretation of test results. A screen device was designed to physically prevent the Daphnia from touching the water surface. The effectiveness of the device was evaluated using several complex effluents.