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Effects of Multiple Stressors on His...

Allen, Brett.

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

Record Type:	Electronic resources : Monograph/item
Title/Author:	Effects of Multiple Stressors on Historical Changes in the Fish Communities of the Credit River Watershed./
Author:	Allen, Brett.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	70 p.
Notes:	Source: Masters Abstracts International, Volume: 57-02.
Contained By:	Masters Abstracts International57-02(E).
Subject:	Zoology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10635250
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. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 70 p.

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

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

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.

ISBN: 9780355450231Subjects--Topical Terms:

518878
Zoology.

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