Ingestion and assimilation of carbon from cellulolytic bacteria and heterotrophic flagellates by the mussels Geukensia demissa and Mytilus edulis (Bivalvia, Mollusca)

Da, Kreeger; Newell, R. I. E.

doi:10.3354/ame011205

Cited by 71 publications

(83 citation statements)

References 25 publications

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“…This study confirmed the removal of heterotrophic organisms by juvenile mussels (e.g. Horsted et al 1988, Kreeger & Newell 1996. Assuming that heterotrophs, like phytoplankton, also serve as a food source for mussels (e.g.…”

Section: Recovery Responsesupporting

confidence: 66%

“…Heterotrophic organisms can serve as an important food source for bivalves, and filtration can thus result in (local) depletion of heterotrophs like rotifers, heterotrophic nanoflagellates and ciliates (Horsted et al 1988, Kreeger & Newell 1996, Wong et al 2003, Trottet et al 2008a. Since these heterotrophs are the main predators on bacteria and small phytoplankton, the removal of these predators by bivalves might alter the competitive outcome between small and larger algae.…”

Section: Introductionmentioning

confidence: 99%

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Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands

Jacobs¹,

Riegman²,

Meer³

2016

Aquacult. Environ. Interact.

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Pelagic mussel collectors provide an alternative to fishing for mussel seed from natural beds. These collectors, which have been recently introduced in the Dutch part of the Wadden Sea, facilitate the settlement and survival of blue mussel Mytilus edulis larvae. We assessed the removal of plankton by juvenile mussels and the recovery of plankton after filtration. A mesocosm experiment, using natural sea water, was executed on 12 occasions from June to October in 2010 and 2011. Mussel filtration resulted in large reductions in nanophytoplankton, ciliate and total chlorophyll biomasses (65−62%), while picophytoplankton and bacterial biomasses were reduced to a lower extent (38 and 18%). After filtration, mussels were removed and the plankton community was allowed to recover for 8 d, which is the average residence time of water in the area. During this recovery period, net growth rates of bacteria, pico-and nanophytoplankton increased initially in the mussel-filtered mesocosms, but at the end of the recovery period, growth rates were similar in mussel-filtered and control mesocosms. At the end of the recovery period, plankton concentrations between control and mussel mesocosms were not statistically different despite the initial large reduction due to mussel filtration. Our results suggest that nutrients released by mussels during filtration might have stimulated the filtered plankton community, enabling recovery to filtration within 8 d.

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Section: Recovery Responsesupporting

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands

Jacobs¹,

Riegman²,

Meer³

2016

Aquacult. Environ. Interact.

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“…For the clams Macoma balthica and Potamocorbula amurensis, Decho and Luoma (1991) obtained higher C AE values from bacteria than this study-68 and 75%, respectively. For the mussels Geukensia demissa and M. edulis, Kreeger and Newell (1996) measured C AEs of 42 and 21%, respectively, from bacterial diets.…”

Section: Discussionmentioning

confidence: 99%

Rates and routes of trace element uptake in zebra mussels

Roditi

Fisher

1999

Limnology & Oceanography

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The zebra mussel, Dreissena polymorpha, a nonindigenous invasive species, is now widespread throughout the eastern half of North America. Because zebra mussels are ubiquitous and because they effectively filter particulate matter out of suspension, the cycling and residence times of particle-reactive metals will likely be affected in waters with zebra mussels. This study describes experiments designed to assess the possibility of using this species as a bioindicator of metals in ambient freshwater environments. Laboratory exposures of zebra mussels to 110m Ag, 109 Cd, 51 Cr, 14 C, 203 Hg, and 75 Se were employed to measure their assimilation efficiencies (percentage of ingested element that crosses gut lining) from eight food types (four algal species and bacteria, seston, and mineral assemblages), absorption efficiencies from water (percentage of element pumped by the mussel that is absorbed by the animal), and rates of depuration of these elements from mussels following long-term exposures to food and water. Assimilation efficiencies of elements from foods ranged from 4 to 29% for silver (Ag), 19 to 72% for cadmium (Cd), 42 to 85% for carbon (C), 2 to 19% for chromium (Cr), 4 to 40% for mercury (Hg), and 8 to 46% for selenium (Se). Absorption efficiencies from the dissolved phase were 1.87% for Ag, 1.02% for Cd, 0.47% for Cr(III), 0.27% for Cr(VI), 1.17% for Hg, and 0.03% for Se. Efflux rate constants (d Ϫ1 ) following long-term exposure to food and water were 0.067 and 0.084 for Ag, 0.013 and 0.011 for Cd, 0.019 and 0.011 for Cr, 0.050 for Hg (food only), and 0.026 and 0.035 for Se. These loss rates corresponded to biological half-lives ranging from 8 d for Ag to 76 d for Se. Loss rates of trace elements from zebra mussel feces followed the following sequence: Cr Ͻ Ag Ͻ Se Ͻ Hg Յ Cd, with average retention half-times being 59, 43, 11, 6.7, and 5.1 d, respectively, which indicates that geochemical cycling rates from zebra mussel biodeposits are element specific. Egestion patterns of the radioisotopes indicated two digestive phases, extracellular and intracellular digestion. The extent of intracellular digestion ranged from 7 to 40%, depending on the food source, and correlated with assimilation efficiency for Ag, Cd, and Hg. The bioaccumulation parameters measured for D. polymorpha can be used in kinetic models to quantify the relative importance of food and water as sources of metals and to predict on a site-specific basis the tissue concentrations of metals in these mussels, as shown for Cd. Because D. polymorpha accumulates metals from dissolved and particulate sources in proportion to ambient concentrations, this species can be an effective bioindicator of freshwater metal contamination.

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“…Although phytoplankton was traditionally considered the main food source (Nielsen and Maar 2007), several studies have stated the importance of other food particles like dead organic material (Dame and Dankers 1988) and bacteria attached to this (Newell et al 1989), microzooplankton (Horsted et al 1988;Kreeger and Newell 1996;Trottet et al 2008) and, for larger mussels ([22 mm;Horsted et al 1988), mesozooplankton (Davenport et al 2000;Wong and Levinton 2006;Lehane and Davenport 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Verwey 1952;Cadée and Hegeman 1974;Cloern 1982;Dame 1996;Kreeger and Newell 1996;Wong and Levinton 2006). The recent introduction of mussel seed collectors in the Netherlands prompted the need for assessing the effect of large numbers of juvenile individuals on the carrying capacity of the surrounding ecosystem.…”

Section: Introductionmentioning

confidence: 99%

Length- and weight-dependent clearance rates of juvenile mussels (Mytilus edulis) on various planktonic prey items

Jacobs

Troost²,

Riegman

et al. 2015

Helgol Mar Res

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Filtration capacity and feeding behaviour has been intensely studied for adult mussels (Mytilus edulis), but less information is available for juvenile mussels (1.5-25 mm, \1 year), especially in natural sea water. The recent introduction of mussel seed collectors in the Netherlands prompted the need for more detailed information on juvenile mussel behaviour. To estimate the impact of juvenile populations on ecosystem carrying capacity, information on clearance rate as well as usage of different prey items is essential. Clearance rates were measured in an experimental study, incubating juvenile mussels in natural sea water. Rates were related to isometrics as well as specified for the prey items bacteria, picophytoplankton (\3 lm), nanophytoplankton (3-20 lm), and ciliates. Results showed that the clearance rate of juvenile mussels depends on shell length 2 , while the relationship between clearance rate and weight was more variable. Length is thus a better parameter for estimating clearance rate than weight. Ciliates and nanophytoplankton were cleared at comparable, but variable rates, while picoalgae were cleared from the water at the rate of 11-64 % compared to nanophytoplankton. For bacteria, the clearance rate was on average 9 %. This study showed different retention of particles of similar size (picoalgae and bacteria) as well as variability in particle retention for the different prey items. This variable retention efficiency could not be related to seston concentration nor to dominance in cell size. The results from this study can be used to estimate the effect of mussel seed collectors on the carrying capacity of the Dutch Wadden Sea.

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Ingestion and assimilation of carbon from cellulolytic bacteria and heterotrophic flagellates by the mussels Geukensia demissa and Mytilus edulis (Bivalvia, Mollusca)

Cited by 71 publications

References 25 publications

Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands

Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands

Rates and routes of trace element uptake in zebra mussels

Length- and weight-dependent clearance rates of juvenile mussels (Mytilus edulis) on various planktonic prey items

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