Increased Chlorophyll a, phytoplankton abundance, and cyanobacteria occurrence following invasion of Green Bay, Lake Michigan by dreissenid mussels

Chandra, Sudeep; Gerhardt, Almut; Stasio, Bart T. De; Schrimpf, Michael B.; Beranek, Ashley E.; Daniels, W.

doi:10.3391/ai.2008.3.1.5

Cited by 30 publications

(32 citation statements)

References 27 publications

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“…In addition, phytoplankton community composition shifted, with decreased proportions of Chlorophyta and increased dominance by cyanobacteria and diatoms [28]. Given that these responses to the invasion by zebra mussels differ from those observed in many other studies, further details of changes in phytoplankton communities may be instructive.…”

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confidence: 86%

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Phytoplankton Communities in Green Bay, Lake Michigan after Invasion by Dreissenid Mussels: Increased Dominance by Cyanobacteria

2014

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Biological invasions of aquatic systems disrupt ecological communities, and cause major changes in diversity and ecosystem function. The Laurentian Great Lakes of North America have been dramatically altered by such invasions, especially zebra (Dreissena polymorpha) and quagga (D. rostriformis bugensis) mussels. Responses to mussel invasions have included increased water clarity, and decreased chlorophyll and phytoplankton abundance. Although not all systems have responded similarly, in general, mussels have changed nutrient dynamics and physical habitat conditions. Therefore examination of different impacts can help us further understand mechanisms that underlie ecosystem responses to biological invasions. To aid our understanding of ecosystem impacts, we sampled established locations along a well-studied trophic gradient in Green Bay, Lake Michigan, after the 1993 zebra mussel invasion. A strong trophic gradient remained during the period sampled after the mussel invasion (2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012). However, mean summer chlorophyll increased and other measures of phytoplankton biomass (microscope and electronic cell counting) did not change significantly. Multivariate analyses of phytoplankton community structure demonstrate a significant community shift after the invasion. Cyanobacteria increased in dominance, with 682Microcystis becoming the major summer taxon in lower Green Bay. Diatom diversity and abundance also increased and Chlorophyta became rare. Phytoplankton responses along the trophic gradient of Green Bay to zebra mussel invasion highlight the importance of mussel effects on nutrient dynamics and phytoplankton diversity and function.

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confidence: 86%

“…significantly increased chlorophyll abundance at both lower and middle bay regions following invasion [28,29]. In addition, phytoplankton community composition shifted, with decreased proportions of Chlorophyta and increased dominance by cyanobacteria and diatoms [28].…”

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confidence: 99%

Phytoplankton Communities in Green Bay, Lake Michigan after Invasion by Dreissenid Mussels: Increased Dominance by Cyanobacteria

2014

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“…Cyanobacterial toxins have been detected in Lakes Erie, Ontario, and in certain areas of Lake Michigan including Grand Traverse Bay and Little Traverse Bay [109,110]. Green Bay is a shallow eutrophic embayment where cyanoHABs have been previously reported [111].…”

Section: B Distribution Of Cyanohabs In the Great Lakes Regionmentioning

confidence: 99%

“…zebra mussels) [70,71]. The colonization of some lakes with Dreissenids has resulted in shifts in phytoplankton community composition to cyanobacterial dominance, such as in Lake Erie [9,72].…”

Section: Characteristics Of Bloom Forming Cyanobacteriamentioning

confidence: 99%

Cyanobacterial Toxins of the Laurentian Great Lakes, their Toxicological Effects, and Numerical Limits in Drinking Water

Miller

Beversdorf

Weirich

et al. 2017

Preprint

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Cyanobacteria are ubiquitous phototrophic bacteria that inhabit diverse environments across the planet. They dominate many eutrophic lakes impacted by excess nitrogen (N) and phosphorus (P) forming dense accumulations of biomass known as cyanobacterial harmful algal blooms or cyanoHABs. Their dominance in eutrophic lakes is attributed to a variety of unique adaptations including N and P concentrating mechanisms, N fixation, colony formation that inhibits predation, vertical movement via gas vesicles, and the production of toxic or otherwise bioactive molecules. While some of these molecules have been explored for their medicinal benefits, others are potent toxins harmful to humans, animals, and other wildlife known as cyanotoxins. In humans these cyanotoxins affect various tissues, including the liver, central and peripheral nervous system, kidneys, and reproductive organs among others. They induce acute effects at low doses in the parts-per-billion range and some are tumor promoters linked to chronic diseases such as liver and colorectal cancer. The occurrence of cyanoHABs and cyanotoxins in lakes presents challenges for maintaining safe recreational aquatic environments and the production of potable drinking water. CyanoHABs are a growing problem in the North American (Laurentian) Great Lakes basin. This review summarizes information on the occurrence of cyanoHABs in the Great Lakes, toxicological effects of cyanotoxins, and appropriate numerical limits on cyanotoxins in finished drinking water.

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“…Dreissenid mussels in Lake Erie have caused an energy shift from the pelagic to the benthic zone through rapid declines in algal biomass and light penetration increases (Holland 1993, Leach 1993). Dreissenid mussels have been shown to decrease nondiatom phytoplankton (Chroomonas, Cryptomonas, Rhodomonas, Dinobryon and Chlamydomonas) directly through feeding and also increases of chlorophyll a (chl a), phytoplankton and nondiatom inedible algae (Microcystis) indirectly through selective feeding and significant ammonia and phosphate excretion in the postinvasion stage (DeStasio et al 2008, Zhang et al 2008. Nondreissenid macroinvertebrate communities increased in Lake Erie and Lake St. Clair under a dreissenid-dominated benthic community (79-91%) during the first 2 years of invasion , Griffiths 1993, Stewart and Haynes 1994.…”

Section: Quagga Mussels and Benthic Invertebrate Communitiesmentioning

confidence: 99%

Early invasion population structure of quagga mussel and associated benthic invertebrate community composition on soft sediment in a large reservoir

Wittmann

Chandra

Caires

et al. 2010

Lake and Reservoir Management

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Increased Chlorophyll a, phytoplankton abundance, and cyanobacteria occurrence following invasion of Green Bay, Lake Michigan by dreissenid mussels

Cited by 30 publications

References 27 publications

Phytoplankton Communities in Green Bay, Lake Michigan after Invasion by Dreissenid Mussels: Increased Dominance by Cyanobacteria

Phytoplankton Communities in Green Bay, Lake Michigan after Invasion by Dreissenid Mussels: Increased Dominance by Cyanobacteria

Cyanobacterial Toxins of the Laurentian Great Lakes, their Toxicological Effects, and Numerical Limits in Drinking Water

Early invasion population structure of quagga mussel and associated benthic invertebrate community composition on soft sediment in a large reservoir

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