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Toxicity of crude oil to the mayfly, Hexagenia bilineata (Ephemeroptera: Ephemeridae)

Environmental Pollution
By: , , and 
https://doi.org/10.1016/0269-7491(94)00085-R

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Abstract

Effects of crude oil on survival and behavior of the mayfly Hexagenia bilineata were evaluated in laboratory studies. Mayfly nymphs were exposed to the water soluble and oil residue fractions of crude oil. Mayfly survival was not reduced by a 96-h exposure to either the water soluble fraction or the oil residue mixed with sediment. However, significant mortality did result from a 21-day exposure to oil residue mixed with sediment at concentrations as low as 500 μg g−1. Survival was also reduced after a 21-day exposure to oil-contaminated sediments (1905 μg g−1) collected 6 weeks after a crude oil spill in the Chariton River, Missouri. In a behavioral test measuring habitat exclusion, organisms did not avoid contact with sediment containing oil residue (50–800 μg g−1). Collectively, results from these studies indicate that exposure to oil residue in sediment will reduce survival of H. bilineata in the laboratory and may reduce survival in the environment for 6 weeks or more after an oil spill,


Publication type Article
Publication Subtype Journal Article
Title Toxicity of crude oil to the mayfly, Hexagenia bilineata (Ephemeroptera: Ephemeridae)
Series title Environmental Pollution
DOI 10.1016/0269-7491(94)00085-R
Volume 90
Issue 1
Year Published 1995
Language English
Publisher Elsevier
Contributing office(s) Columbia Environmental Research Center
Description 6 p.
First page 105
Last page 110
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