Remote sensing of biotic effects: Zebra mussels (Dreissena polymorpha) influence on water clarity in Saginaw Bay, Lake Huron

Budd, Judith Wells; Drummer, Thomas D.; Nalepa, Thomas F.; Fahnenstiel, Gary L.

doi:10.4319/lo.2001.46.2.0213

Cited by 65 publications

(33 citation statements)

References 20 publications

(17 reference statements)

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“…It has been suggested that P loading restrictions be relaxed in the lower Laurentian Great Lakes as a means to enhance fisheries yields (e.g., Stockner et al 2000); yet the establishment of abundant benthic filter feeders has shifted the effects of eutrophication (in terms of high algal biomass) towards the nearshore and especially to the littoral zone (Hecky et al 2004;Zhu et al 2006). Dreissenid mussels effectively clear the water column through filterfeeding and, thus, reduce the effects of eutrophication as indicated by water clarity and suspended chlorophyll concentration (e.g., Holland et al 1995, Budd et al 2001. However, we demonstrate how these benthic grazers, by enhancing light availability and possibly by focusing nutrients to the benthos in the littoral, enhances other undesirable effects of eutrophication, specifically, an overabundance of benthic macroalgal biomass.…”

Section: Discussionmentioning

confidence: 70%

Modeling the growth response of Cladophora in a Laurentian Great Lake to the exotic invader Dreissena and to lake warming

Malkin

Guildford

Hecky

2008

Limnology & Oceanography

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A Cladophora growth model (CGM) is calibrated and validated here to simulate attached and sloughed Cladophora biomass in daily time-steps in an urbanized location of Lake Ontario, using two years of collected input data and independent measurements of Cladophora biomass. The CGM is used to hindcast Cladophora growth using multiplicative factors of seasonal minimal tissue phosphorus concentrations (Q P ) and seasonal mean nearshore light attenuation (Kd PAR ) of the early 1970s and 1980s relative to modern data. The possible effects of climate on growth are also forecast using additive temperature increases. Cladophora Q P in Lake Ontario has declined in parallel with decreasing pelagic P concentrations, resulting in reduced Cladophora biomass at all depths in the euphotic zone. Kd PAR has also declined, most strongly since the mid-1990s, following Dreissena mussel invasion, driving an increase in biomass between 3.5-and 10-m depth. Combining these effects, the CGM predicts that biomass along shorelines today is lower in Lake Ontario than in the 1980s. However, any increases in Q P in this post-dreissenid-mussel period will result in greater Cladophora proliferation than in previous decades due to increased nearshore water clarity. Cladophora Q P , while still currently lower than in the early 1980s, may be rising due to P supply to the littoral zone by the invasive mussels. The surface water temperature of Lake Ontario indicates warming of 0.96uC decade 21 from 1980 to 2006. With increasing surface water temperatures, the CGM predicts an earlier spring growth but only a marginal increase in peak Cladophora biomass.Eutrophication continues to be among the most critical and pervasive issues facing coastal waters-marine and freshwater alike ( Nuisance densities of Cladophora have been reported from estuaries (Gordon and McComb 1989;Valiela et al. 1997), inland seas (Kiirikki 1996;Curiel et al. 2004), and hardwater rivers and lakes with moderate energy (Power 1992;Parker and Maberly 2000). In the Laurentian Great Lakes, Cladophora is a nuisance throughout Lakes Ontario, Erie, and Michigan, where hard substrate is available, and in isolated areas near nutrient point sources in Lake Huron (Herbst 1969).There is a widespread perception that since the establishment of invasive dreissenid mussels (i.e., the zebra mussel [Dreissena polymorpha] and the quagga mussel [D. bugensis]) over the past 15 yr, Cladophora biomass has resurged in the lower Great Lakes (Mills et al. 2003;Hecky et al. 2004;Bootsma et al. 2005). The degree to which this perception is accurate, however, is unclear. Due to their high biomass in these lakes (e.g., up to 150 g shell-free DM m 22 ; Fleisher et al. 2001), dreissenid mussels have been credited with reengineering nutrient distributions by removing suspended particulate matter through filterfeeding, then excreting dissolved regenerated nutrients as well as generating organic waste as feces and pseudofeces in the benthos (Hecky et al. 2004). This process, recently termed ''benthification'...

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Section: Discussionmentioning

confidence: 70%

Modeling the growth response of Cladophora in a Laurentian Great Lake to the exotic invader Dreissena and to lake warming

Malkin

Guildford

Hecky

2008

Limnology & Oceanography

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“…Ecosystem-level functional alteration may be especially pronounced within the state of Alabama, a renowned biodiversity hotspot for freshwater fauna, particularly fishes, crayfish and mollusks (Lydeard and Mayden, 1995). Mussels provide fundamental services such as nutrient cycling (Christian et al, 2008;Jost and Helmuth, 2007), habitat modification (Norkko et al, 2006) and water filtration (Budd et al, 2001). This functional diversity thus supports increased biodiversity within aquatic systems (Donadi et al, 2013;Vaughn et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Comparative physiological, biochemical, and molecular thermal stress response profiles for two Unionid freshwater mussel species

Payton

Johnson

Jenny

2016

Journal of Experimental Biology

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Freshwater mussels, aquatic keystone species, are in global decline. Long life spans, sedentary lifestyles, and unique reproductive strategies involving obligate parasitic stages make unionid freshwater mussels particularly sensitive to environmental perturbations resulting from global climate change. A greater understanding of the mechanisms by which closely related species differ in their response to thermal challenge is critical for successful conservation and management practices. As such, both an acute heat shock and a chronic warming simulation were conducted in order to evaluate responses between hypothesized thermally tolerant (Villosa lienosa) and thermally sensitive (Villosa nebulosa) freshwater mussels in response to predicted thermal warming. Multiple biological responses were quantified, including mortality, condition index, growth rates, glycogen and triglyceride content, and candidate gene expression. During acute heat shock, both species upregulated HSP90 and HSP70, although V. lienosa showed consistently greater transcript levels during upregulation. This pattern was consistent during the chronic warming simulation, with V. nebulosa showing greater induction of HSP60. Chronic warming stimulated increases in condition index for V. nebulosa; however, declines in growth rates during a recovery period were observed with no concurrent change in tissue glycogen levels. This contrasts with V. lienosa, where tissue glycogen significantly increased during chronic warming, although no response was observed for condition index or growth rates. These biological differences might indicate disparate thermal stress response mechanisms correlated with metabolic demands and resource utilization, and could thus be a factor influencing current ranges of these two species and their ability to cope with future persistent warming in their native habitats.

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“…Efficient suspension feeders, they occur in extremely high densities and cause considerable changes in ecosystem composition/function such as local extirpation of native mussel populations (Strayer et al, 1999), increases in water clarity (Budd et al, 2001) and the removal of microalgae from water columns (Raikow et al, 2004), hence influencing HABs (Reeders et al, 1989;Roditi et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

Pseudodiarrhoea in zebra mussels Dreissena polymorpha (Pallas)exposed to microcystins

Juhel

Davenport

O’Halloran

et al. 2006

Journal of Experimental Biology

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SUMMARY Microcystins are produced by bloom-forming cyanobacteria and pose significant health and ecological problems. In this study we show that zebra mussels respond differently to different strains of Microcystis aeruginosa, and that a highly toxic strain causes zebra mussels to produce large quantities of mucous pseudofaeces, `pseudodiarrhoea', that are periodically expelled hydraulically through the pedal gape by shell valve adductions rather than by the normal ciliary tracts. Analysis of the pseudofaecal ejecta showed that the proportion of Microcystis aeruginosa relative to Asterionella formosa was high in the pseudofaeces and even higher in the `pseudodiarrhoea' when a mixed diet was given to the mussels. This confirms that very toxic Microcystis aeruginosa were preferentially being rejected by comparison with the non-toxic diatom in the pseudofaeces and even more so in the`pseudodiarrhoea'. Such selective rejection was not observed with low or non-toxic strains and would therefore tend to enhance the presence of toxic Microcystis aeruginosa in mixed Microcystis aeruginosacyanobacterial blooms, as well as transferring toxins from the water column to the benthos. The observed acute irritant response to the toxin represents the first demonstration of an adverse sublethal effect of microcystins on invertebrate ecophysiology. Our results also suggest that it could be a specific response to microcystin-LF, a little studied toxin variant.

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Remote sensing of biotic effects: Zebra mussels (Dreissena polymorpha) influence on water clarity in Saginaw Bay, Lake Huron

Cited by 65 publications

References 20 publications

Modeling the growth response of Cladophora in a Laurentian Great Lake to the exotic invader Dreissena and to lake warming

Modeling the growth response of Cladophora in a Laurentian Great Lake to the exotic invader Dreissena and to lake warming

Comparative physiological, biochemical, and molecular thermal stress response profiles for two Unionid freshwater mussel species

Pseudodiarrhoea in zebra mussels Dreissena polymorpha (Pallas)exposed to microcystins

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