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Establishment of dreissenids in Lake Ontario: implications for the endemic fish community

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Abstract

Coincident with the establishment of dreissenids in Lake Ontario, the depth distribution of alewife, a non-native predator of larval fishes, shifted deeper and the abundance of burrowing amphipod, Diporeia, declined sharply. The alewife distribution shift was followed by increased reproductive success of two native fishes, lake trout and yellow perch whereas the decline of Diporeia was followed by the appearance of emaciated lake whitefish and slimy sculpin, two native fishes that eat Diporeia.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Establishment of dreissenids in Lake Ontario: implications for the endemic fish community
Year Published 2003
Language English
Publisher Russian Academy of Sciences
Contributing office(s) Great Lakes Science Center
Description 8 p.
Larger Work Type Conference Paper
Larger Work Subtype Conference Paper
Larger Work Title Invasion of alien species in Holarctic: proceedings of the U.S.-Russia Invasive Species Workshop
First page 546
Last page 553
Conference Title U.S.-Russia Invasive Species Workshop
Conference Location Borok, Russia
Conference Date August 27-31, 2001
Online Only (Y/N) N
Additional Online Files (Y/N) N
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