Paleo-environmental evidence of ecosystem change in Lake St. Clair region of Laurentian Great Lakes basin: contrasting responses to land-use change and invasive mussels

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dc.contributor.authorBaustian, Melissa M.
dc.contributor.authorBrooks, Yolanda M.
dc.contributor.authorBaskaran, Mark
dc.contributor.authorLeavitt, Peter R.
dc.contributor.authorLiu, Bo
dc.contributor.authorOstrom, Nathaniel
dc.contributor.authorStevenson, R. Jan
dc.contributor.authorRose, Joan B.
dc.date.accessioned2023-04-27T17:57:22Z
dc.date.available2023-04-27T17:57:22Z
dc.date.issued2020-01-23
dc.description© 2020 The Authors. This article is licensed under a Creative Com- mons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any med- ium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.en_US
dc.description.abstractThe Laurentian Great Lakes have been subject to substantial modification from diverse anthropogenic stressors, including nutrient enrichment, climate change, chemical and biological pollutants, and invasive species, yet little is known of the relative historical influence of these factors. Here we analyze diverse fossil metrics from vibracores at two sites, a bay area (Anchor Bay) and a tributary (Clinton River) in the Lake St. Clair ecosystem to determine the ecological responses from land-use practices and invasive mussel invasions. Sediment cores spanning over 100 years indicated that the expansion of non-native Dreissena polymorpha and Dreissena rostriformis (dreissenid mussels) into Anchor Bay site after the mid-1990s was associated with ~ 60 to 95% reduction in algal and cyanobacterial abundances and twofold increase in sedimentary organic matter (SOM) and bioavailable phosphorus. These increases in SOM and bioavailable phosphorus are relatively similar to increases inferred from the late nineteenth century when large portions of the watershed were cleared and drained for agriculture. In contrast, the Clinton River site experienced a continuous increase in the influx of nutrients, organic matter, and elevated sedimentary phototrophic pigments during the twentieth century and into the twenty-first century. Site comparisons suggest different mechanisms inducing changes in primary production varied, where Anchor Bay was mainly affected by the comparatively recent (since ca. mid-1990s) endogenous influence of invasive species, while the Clinton River site was primarily influenced by the input of exogenous anthropogenic nutrients over the past 100 years. These new findings illustrate that watershed management and policies within large lakes with multi-jurisdictional (national) Area of Concerns should consider site-specific regulatory mechanisms.en_US
dc.description.authorstatusFacultyen_US
dc.description.peerreviewyesen_US
dc.description.sponsorshipThis work was supported in part by the National Science Foundation under Award No. EAR-1039122, NSERC Canada, Canada Foundation for Innovation, Province 123 190 J Paleolimnol (2020) 63:177–193 of Saskatchewan, University of Regina, Queen’s University Belfast, and Canada Research Chair funding.en_US
dc.identifier.citationBaustian, M.M., Brooks, Y.M., Baskaran, M. et al. Paleo-environmental evidence of ecosystem change in Lake St. Clair region of Laurentian Great Lakes basin: contrasting responses to land-use change and invasive mussels. J Paleolimnol 63, 177–193 (2020). https://doi.org/10.1007/s10933-019-00108-xen_US
dc.identifier.doihttps://doi.org/10.1007/s10933-019-00108-x
dc.identifier.urihttps://hdl.handle.net/10294/15888
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.rightsAttribution 4.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titlePaleo-environmental evidence of ecosystem change in Lake St. Clair region of Laurentian Great Lakes basin: contrasting responses to land-use change and invasive musselsen_US
dc.typeArticleen_US
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