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Evaluating the Effects of Brook Stickleback on Native Nongame Fishes in Wyoming.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Evaluating the Effects of Brook Stickleback on Native Nongame Fishes in Wyoming./
Author:	Ruthven, Jacob S.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
Description:	97 p.
Notes:	Source: Masters Abstracts International, Volume: 83-12.
Contained By:	Masters Abstracts International83-12.
Subject:	Wildlife management. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29206508
ISBN:	9798438768067

Evaluating the Effects of Brook Stickleback on Native Nongame Fishes in Wyoming.
Ruthven, Jacob S.

Evaluating the Effects of Brook Stickleback on Native Nongame Fishes in Wyoming. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 97 p.

Source: Masters Abstracts International, Volume: 83-12.

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

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

Invasive species introductions are a primary threat to native fishes globally and preventing their establishment and spread has become a central focus of modern fisheries management. Brook Stickleback is classified as an aquatic invasive species in Wyoming, but our understanding of the species and its effects on native communities is limited. I first assessed the current distribution and landscape-level habitat drivers of Brook Stickleback, and its overlap with native fishes in the North Platte River drainage. I found that Brook Stickleback's distribution is not rapidly expanding but rather seems to be in a state of stasis and that the species is primarily limited by slope, preferring low gradient sites. Brook Stickleback overlapped spatially with several native fishes, but Iowa Darter and Brassy Minnow showed fidelity to lentic sites where Brook Stickleback was absent. Second, I evaluated the feeding ecology of Brook Stickleback relative to native fishes and tested for changes in the trophic ecology of sympatric native fishes with Brook Stickleback. I found that Brook Stickleback's feeding ecology was similar to that of native fishes, though Flathead Chub and Iowa Darter had a higher degree of trophic specialization. The trophic ecology of native fishes was relatively unaffected by Brook Stickleback presence, though Fathead Minnow showed evidence of niche contraction when in sympatry with Brook Stickleback. I conclude that while ongoing monitoring and systematic sampling of lentic waterbodies will be necessary to further improve our understanding of the species, Brook Stickleback may not be a current management priority in Wyoming.

ISBN: 9798438768067Subjects--Topical Terms:

571816
Wildlife management.
Subjects--Index Terms:

Brook stickleback

Evaluating the Effects of Brook Stickleback on Native Nongame Fishes in Wyoming.
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245 1 0 $a Evaluating the Effects of Brook Stickleback on Native Nongame Fishes in Wyoming.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2022
300 $a 97 p.
500 $a Source: Masters Abstracts International, Volume: 83-12.
500 $a Advisor: Walters, Annika.
502 $a Thesis (M.S.)--University of Wyoming, 2022.
506 $a This item must not be sold to any third party vendors.
520 $a Invasive species introductions are a primary threat to native fishes globally and preventing their establishment and spread has become a central focus of modern fisheries management. Brook Stickleback is classified as an aquatic invasive species in Wyoming, but our understanding of the species and its effects on native communities is limited. I first assessed the current distribution and landscape-level habitat drivers of Brook Stickleback, and its overlap with native fishes in the North Platte River drainage. I found that Brook Stickleback's distribution is not rapidly expanding but rather seems to be in a state of stasis and that the species is primarily limited by slope, preferring low gradient sites. Brook Stickleback overlapped spatially with several native fishes, but Iowa Darter and Brassy Minnow showed fidelity to lentic sites where Brook Stickleback was absent. Second, I evaluated the feeding ecology of Brook Stickleback relative to native fishes and tested for changes in the trophic ecology of sympatric native fishes with Brook Stickleback. I found that Brook Stickleback's feeding ecology was similar to that of native fishes, though Flathead Chub and Iowa Darter had a higher degree of trophic specialization. The trophic ecology of native fishes was relatively unaffected by Brook Stickleback presence, though Fathead Minnow showed evidence of niche contraction when in sympatry with Brook Stickleback. I conclude that while ongoing monitoring and systematic sampling of lentic waterbodies will be necessary to further improve our understanding of the species, Brook Stickleback may not be a current management priority in Wyoming.
590 $a School code: 0264.
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650 4 $a Wildlife conservation. $2 fast $3 542165
650 4 $a Ecology. $3 516476
650 4 $a Aquatic sciences. $3 3174300
653 $a Brook stickleback
653 $a Competition
653 $a Distribution
653 $a Invasive species
653 $a Native species
653 $a Trophic ecology
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690 $a 0284
690 $a 0329
690 $a 0792
710 2 $a University of Wyoming. $b Zoology & Physiology. $3 2100141
773 0 $t Masters Abstracts International $g 83-12.
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791 $a M.S.
792 $a 2022
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29206508