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The Vanishing Present: Wisconsin's Changing Lands, Waters, and Wildlife$
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Donald M. Waller and Thomas P. Rooney

Print publication date: 2008

Print ISBN-13: 9780226871714

Published to Chicago Scholarship Online: February 2013

DOI: 10.7208/chicago/9780226871745.001.0001

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PRINTED FROM CHICAGO SCHOLARSHIP ONLINE (www.chicago.universitypressscholarship.com). (c) Copyright University of Chicago Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CHSO for personal use.date: 04 August 2021

Great Lakes Ecosystems: Invasions, Food Web Dynamics, and the Challenge of Ecological Restoration

Great Lakes Ecosystems: Invasions, Food Web Dynamics, and the Challenge of Ecological Restoration

Chapter:
(p.157) 12 Great Lakes Ecosystems: Invasions, Food Web Dynamics, and the Challenge of Ecological Restoration
Source:
The Vanishing Present: Wisconsin's Changing Lands, Waters, and Wildlife
Author(s):

James F. Kitchell

Greg G. Sass

Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226871745.003.0012

This chapter focuses on major changes in the food web dynamics of Lakes Superior and Michigan that arose due to fisheries management programs and nonnative species invasions. It emphasizes both native and nonnative species representing three trophic levels: (i) top predators in the food web (sea lamprey, stocked Pacific salmon, the native lake trout, and their prey); (ii) expansion of invading zooplankton-feeding fishes (alewife and rainbow smelt) at the middle of the food web; and (iii) declines in primary productivity following the invasion by zebra mussels.

Keywords:   Lake Superior, Lake Michigan, fisheries management programs, sea lamprey, stocked Pacific salmon, lake trout, alewife, rainbow smelt, zebra mussels

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