Replacement of zebra mussels by quagga mussels in the Canadian nearshore of Lake Ontario: distribution and correlations with substrate, round goby abundance and upwelling frequency

Document Type

Article

Publication Date

2006

Publication Title

Journal of Great Lakes Research

Abstract

We surveyed 27 5-m sites and 25 20-m sites in late August 2003. Quagga mussels dominated all sites (mean: 9,404/m2; range 31–24,270), having almost completely replaced zebra mussels. Round gobies (Neogobius melanostomus) were associated with quagga populations dominated by large mussels.

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