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Abundance and Distribution of Benthic Macroinvertebrates in the Lake Huron System: Saginaw Bay, 2006-2009, and Lake Huron, Including Georgian Bay and North Channel, 2007 and 2012.
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2018
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Description:This technical report provides results of benthic macroinvertebrate surveys conducted in Saginaw Bay in 2006-2009, and in Lake Huron, including Georgian Bay and North Channel, in 2007 and 2012. The objective of these surveys was to update the status of the benthic community and thereby extend temporal assessments of previously-defined trends in these lake regions. Previous surveys were conducted in Saginaw Bay in 1991-1996, in Lake Huron in 2000 and 2003, and in Georgian Bay and North Channel in 2002. Based on these previous surveys, benthic macroinvertebrate communities in both Saginaw Bay and Lake Huron had undergone major changes since the late 1960s and early 1970s (Nalepa et al. 2003, 2007a). Factors driving community changes in Saginaw Bay were primarily attributed to phosphorus abatement and the introduction and expansion of invasive zebra mussels (Dreissena polymorpha) (Nalepa et al. 2003), while community changes in Lake Huron were mainly attributed to both zebra mussels and quagga mussels (Dreissena rostriformis bugensis) (Nalepa et al. 2007a).
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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