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Zebra Mussel Invasion Associated with Higher Reliance on Littoral Energy Sources and Higher Mercury Levels in Walleye and Yellow Perch.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Zebra Mussel Invasion Associated with Higher Reliance on Littoral Energy Sources and Higher Mercury Levels in Walleye and Yellow Perch./
作者:	Blinick, Naomi S.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	57 p.
附註:	Source: Masters Abstracts International, Volume: 83-09.
Contained By:	Masters Abstracts International83-09.
標題:	Aquatic sciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28968993
ISBN:	9798209909712

Zebra Mussel Invasion Associated with Higher Reliance on Littoral Energy Sources and Higher Mercury Levels in Walleye and Yellow Perch.
Blinick, Naomi S.

Zebra Mussel Invasion Associated with Higher Reliance on Littoral Energy Sources and Higher Mercury Levels in Walleye and Yellow Perch. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 57 p.

Source: Masters Abstracts International, Volume: 83-09.

Thesis (M.S.)--University of Minnesota, 2022.

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

Zebra mussels (Dreissena polymorpha), an aquatic invasive species, shift lake food resources from the pelagic to the littoral zone, while simultaneously altering physical habitat by increasing water clarity. Using stable isotope analysis, we find that walleye (Sander vitreus), a specialist piscivore with strict habitat requirements, and yellow perch (Perca flavescens), a generalist in both diet and habitat, respond similarly to food web and habitat differences in zebra mussel invaded lakes, with significant increases in littoral reliance from ~50% to ~75% for both species. We also report a correlated increase in mercury concentrations in fish tissue, which were 66% higher for adult walleye and 90% higher for adult yellow perch in lakes containing zebra mussels. Considering the importance of these fish for consumption, it is critical that we understand how changes to nutrient cycling and lake food webs ultimately increase toxin concentration in fish consumed by humans.

ISBN: 9798209909712Subjects--Topical Terms:

3174300
Aquatic sciences.
Subjects--Index Terms:

Food web

Zebra Mussel Invasion Associated with Higher Reliance on Littoral Energy Sources and Higher Mercury Levels in Walleye and Yellow Perch.
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245 1 0 $a Zebra Mussel Invasion Associated with Higher Reliance on Littoral Energy Sources and Higher Mercury Levels in Walleye and Yellow Perch.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2022
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500 $a Source: Masters Abstracts International, Volume: 83-09.
500 $a Advisor: Hansen, Gretchen J.A.
502 $a Thesis (M.S.)--University of Minnesota, 2022.
506 $a This item must not be sold to any third party vendors.
520 $a Zebra mussels (Dreissena polymorpha), an aquatic invasive species, shift lake food resources from the pelagic to the littoral zone, while simultaneously altering physical habitat by increasing water clarity. Using stable isotope analysis, we find that walleye (Sander vitreus), a specialist piscivore with strict habitat requirements, and yellow perch (Perca flavescens), a generalist in both diet and habitat, respond similarly to food web and habitat differences in zebra mussel invaded lakes, with significant increases in littoral reliance from ~50% to ~75% for both species. We also report a correlated increase in mercury concentrations in fish tissue, which were 66% higher for adult walleye and 90% higher for adult yellow perch in lakes containing zebra mussels. Considering the importance of these fish for consumption, it is critical that we understand how changes to nutrient cycling and lake food webs ultimately increase toxin concentration in fish consumed by humans.
590 $a School code: 0130.
650 4 $a Aquatic sciences. $3 3174300
650 4 $a Ecology. $3 516476
653 $a Food web
653 $a Invasive species
653 $a Mercury
653 $a Walleye
653 $a Yellow perch
653 $a Zebra mussel
690 $a 0792
690 $a 0329
710 2 $a University of Minnesota. $b Conservation Biology. $3 1035939
773 0 $t Masters Abstracts International $g 83-09.
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793 $a English
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