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Effects of Multiple Stressors on His...

ProQuest Information and Learning Co.

Effects of Multiple Stressors on Historical Changes in the Fish Communities of the Credit River Watershed.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Effects of Multiple Stressors on Historical Changes in the Fish Communities of the Credit River Watershed./
作者:	Allen, Brett.
面頁冊數:	1 online resource (70 pages)
附註:	Source: Masters Abstracts International, Volume: 57-02.
標題:	Zoology. -
電子資源:	click for full text (PQDT)
ISBN:	9780355450231

Effects of Multiple Stressors on Historical Changes in the Fish Communities of the Credit River Watershed.
Allen, Brett.

Effects of Multiple Stressors on Historical Changes in the Fish Communities of the Credit River Watershed. - 1 online resource (70 pages)

Source: Masters Abstracts International, Volume: 57-02.

Thesis (M.Sc.)--University of Toronto (Canada), 2017.

Includes bibliographical references

Watersheds in southern Ontario are of high conservation concern due to their diverse fish communities, productive environments, and threats from numerous anthropogenic stressors. The Credit River watershed, located west of the Greater Toronto Area, has 63 fish species and multiple stressors, including urbanization, climate change, and aquatic invasive species (AIS). This research examines fish community change in the Credit River watershed in relation to these multiple stressors. Historical fish datasets collected in the watershed from 1954 to present were analyzed to examine richness patterns and homogenization at the site and subwatershed levels. Richness and faunal homogenization increased at the site and subwatershed level over time. AIS and temperature were responsible for causing the most variation in the fish communities over time. The cumulative effects of AIS and temperature also caused increased variation in the communities over time.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780355450231Subjects--Topical Terms:

593903
Zoology.
Index Terms--Genre/Form:

554714
Electronic books.

Effects of Multiple Stressors on Historical Changes in the Fish Communities of the Credit River Watershed.
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500 $a Source: Masters Abstracts International, Volume: 57-02.
500 $a Adviser: Nicholas E. Mandrak.
502 $a Thesis (M.Sc.)--University of Toronto (Canada), 2017.
504 $a Includes bibliographical references
520 $a Watersheds in southern Ontario are of high conservation concern due to their diverse fish communities, productive environments, and threats from numerous anthropogenic stressors. The Credit River watershed, located west of the Greater Toronto Area, has 63 fish species and multiple stressors, including urbanization, climate change, and aquatic invasive species (AIS). This research examines fish community change in the Credit River watershed in relation to these multiple stressors. Historical fish datasets collected in the watershed from 1954 to present were analyzed to examine richness patterns and homogenization at the site and subwatershed levels. Richness and faunal homogenization increased at the site and subwatershed level over time. AIS and temperature were responsible for causing the most variation in the fish communities over time. The cumulative effects of AIS and temperature also caused increased variation in the communities over time.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Zoology. $3 593903
650 4 $a Ecology. $3 575279
650 4 $a Environmental science. $3 1179128
650 4 $a Aquatic sciences. $3 1178821
655 7 $a Electronic books. $2 local $3 554714
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690 $a 0329
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710 2 $a University of Toronto (Canada). $b Ecology and Evolutionary Biology. $3 1179765
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