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Toxicity of Weathered Sediment-bound...

Everitt, Sean.

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Toxicity of Weathered Sediment-bound Dilbit to Freshwater Fish and Invertebrates.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Toxicity of Weathered Sediment-bound Dilbit to Freshwater Fish and Invertebrates./
Author:	Everitt, Sean.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	115 p.
Notes:	Source: Masters Abstracts International, Volume: 81-12.
Contained By:	Masters Abstracts International81-12.
Subject:	Toxicology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27836596
ISBN:	9798645480646

Toxicity of Weathered Sediment-bound Dilbit to Freshwater Fish and Invertebrates.
Everitt, Sean.

Toxicity of Weathered Sediment-bound Dilbit to Freshwater Fish and Invertebrates. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 115 p.

Source: Masters Abstracts International, Volume: 81-12.

Thesis (M.Sc.)--University of Lethbridge (Canada), 2020.

This item must not be sold to any third party vendors.

Bitumen from the Alberta oil sands must be diluted to form diluted bitumen (dilbit) to facilitate transport through pipelines, yet little is known about its effects on aquatic organisms after a spill. Environmental weathering processes such as evaporation and sediment interaction manipulate spilled dilbit, which could affect its fate and toxicity in the environment. However, most studies to date that have characterized effects of dilbit to aquatic organisms have not incorporated weathering. In the present study, zebrafish (Danio rerio) embryos and adult freshwater amphipods (Hyalella azteca) were exposed to weathered sediment-bound dilbit. Sediment-bound dilbit exacerbated adverse effects associated with dilbit exposure due to oil-mineral aggregates directly interacting with amphipods and zebrafish embryos during exposure. As oil sands production expands, it is important to incorporate weathering processes when testing the toxicity of dilbit to aquatic organisms because sediment-bound dilbit can severely affect the health of freshwater fish and invertebrates.

ISBN: 9798645480646Subjects--Topical Terms:

556884
Toxicology.
Subjects--Index Terms:

Dilbit

Toxicity of Weathered Sediment-bound Dilbit to Freshwater Fish and Invertebrates.
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245 1 0 $a Toxicity of Weathered Sediment-bound Dilbit to Freshwater Fish and Invertebrates.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2020
300 $a 115 p.
500 $a Source: Masters Abstracts International, Volume: 81-12.
500 $a Advisor: Pyle, Gregory;Wiseman, Steve.
502 $a Thesis (M.Sc.)--University of Lethbridge (Canada), 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Bitumen from the Alberta oil sands must be diluted to form diluted bitumen (dilbit) to facilitate transport through pipelines, yet little is known about its effects on aquatic organisms after a spill. Environmental weathering processes such as evaporation and sediment interaction manipulate spilled dilbit, which could affect its fate and toxicity in the environment. However, most studies to date that have characterized effects of dilbit to aquatic organisms have not incorporated weathering. In the present study, zebrafish (Danio rerio) embryos and adult freshwater amphipods (Hyalella azteca) were exposed to weathered sediment-bound dilbit. Sediment-bound dilbit exacerbated adverse effects associated with dilbit exposure due to oil-mineral aggregates directly interacting with amphipods and zebrafish embryos during exposure. As oil sands production expands, it is important to incorporate weathering processes when testing the toxicity of dilbit to aquatic organisms because sediment-bound dilbit can severely affect the health of freshwater fish and invertebrates.
590 $a School code: 1112.
650 4 $a Toxicology. $3 556884
650 4 $a Molecular biology. $3 517296
650 4 $a Environmental science. $3 677245
653 $a Dilbit
653 $a Diluted bitumen
653 $a Embryo toxicity
653 $a Environmental weathering
653 $a Pipeline spills
653 $a Sediment-bound dilbit
690 $a 0383
690 $a 0307
690 $a 0768
710 2 $a University of Lethbridge (Canada). $b Biological Studies. $3 3282965
773 0 $t Masters Abstracts International $g 81-12.
790 $a 1112
791 $a M.Sc.
792 $a 2020
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27836596