Winter growth of the blue mussel Mytilus edulis L.: importance of stock and site

Mallet, André L.; Carver, Claire E.; Coffen, S.S.; Freeman, K. R.

doi:10.1016/0022-0981(87)90086-4

Cited by 60 publications

(30 citation statements)

References 15 publications

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“…Like studies performed on shallow water mussels (Dickie et al 1984;Mallet et al 1987), this demonstrated that shortterm adjustments to current environmental conditions account for a majority of the physiological variability observed among mussels inhabiting these seep sites.…”

Section: Size Class (Mm)supporting

confidence: 52%

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Environment drives physiological variability in the cold seep mussel Bathymodiolus childressi

Bergquist

Fleckenstein

Szalai

et al. 2004

Limnology & Oceanography

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The ability of an organism to respond to changes in its environment depends upon its short-term physiological plasticity and the constraints of its genetic makeup. At hydrothermal vents and cold seeps, the spatially variable physiological characteristics of symbiont-bearing animals are often assumed to reflect short-term physiological adjustments to a patchy and dynamic chemical environment. However, the extent to which these spatially variable responses represent fixed characteristics unique to animals inhabiting the different environments (such as might arise from genetic differentiation) has not been tested. The seep mussel Bathymodiolus childressi depends upon methanotrophic bacteria for the bulk of its nutrition and inhabits a range of environments where it displays varying growth and body condition. In this study, we first investigated the multiscale environmental and physiological variability of B. childressi by measuring dissolved gas concentrations and mussel body condition in 12 mussel beds at four geographically distinct sites. Brine-dominated seeps tended to have higher methane and sulfide concentrations and host mussels of better body condition than petroleum-dominated sites. Then, using two transplant experiments, we evaluated whether local environmental conditions or stock effects determined the observed differences in growth and body condition of B. childressi. In all cases, mussels transplanted to new sites acquired or nearly acquired the characteristics of their host population, illustrating the primary role of the environment in determining the physiological characteristics of resident mussels. However, mussels from different sites sometimes responded differently to the same environment, suggesting stock-related effects also play a role in the spatial variation observed in the physiology of chemosynthetic fauna.

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Section: Size Class (Mm)supporting

confidence: 52%

“…However, different bivalve populations often respond differently to a given set of environmental conditions, reflecting the effects of genetic dif-ferentiation on organism response. Cold hardiness, growth, mortality, and biomass of bivalves have all been shown to be under some level of genetic control (Dickie et al 1984;Mallet et al 1986Mallet et al , 1987.…”

mentioning

confidence: 99%

Environment drives physiological variability in the cold seep mussel Bathymodiolus childressi

Bergquist

Fleckenstein

Szalai

et al. 2004

Limnology & Oceanography

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“…Mallet et al (1987) stated that stock differences were important in explaining the variation in shell growth, but site alone accounted for most of the variation in tissue growth. Several authors claimed that stock does not appreciably affect growth rate, while it does affect mortality (Wallace, 1980;Dickie et al, 1984;Page and Hubbard, 1987;Mallet and Carver, 1989).…”

Section: Discussionmentioning

confidence: 99%

Growth of mussels (Mytilus edulis galloprovincialis) on cultivation rafts: influence of seed source, cultivation site and phytoplankton availability

1995

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Mussel seed, obtained from the intertidal zone and permanently immersed collector ropes, was cultivated on ropes suspended from three rafts located at three different sites within the Ria de Arousa (Galicia, NW Spain). Sites were characterized by different levels of phytoplankton availability. The source of seed stock had a marked influence upon subsequent mussel growth; seed originating from collector ropes had higher growth rates than seed collected from intertidal areas and was probably due to the higher condition index and previous adaptation to rope culture conditions (permanent immersion) for these samples. Cultivation site also affected mussel growth; differences in chlorophyll a content and water current speed, which influence phytoplankton availability, were the major factors underlying variation in growth rate and condition index. It is recommended that seed obtained from collector ropes should be used in the commercial exploitation of this species, since it would shorten the total duration of the cultivation process by more than 10%.

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“…Considering that mussel growth rate follows a seasonal pattern with the highest values during springsummer (e.g., Pieters et al, 1980;Mallet et al, 1987;Babarro et al, 2000), which is the upwelling season, a simple calculation will allow us to estimate the fraction of primary production that is channelled to mussels. From the total mussel production of 172 x 10 6 kg y-l in the Ria de Arousa (Table 1) and carbon content of mussel wet weight ("-'2.5%, Tenore et al, 1982;Perez-Camacho & Gonzalez, 1984) it follows that total carbon yield of mussels harvested in the Ria de Arousa is "-'4.3 x 10 6 kg C y-l.…”

Section: Primary Productionmentioning

confidence: 99%

Coastal upwelling, primary production and mussel growth in the Rías Baixas of Galicia

Figueiras¹,

Labarta²,

Reiriz³

2002

Sustainable Increase of Marine Harvesting: Fundamental Mechanisms and New Concepts

115

159

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Winter growth of the blue mussel Mytilus edulis L.: importance of stock and site

Cited by 60 publications

References 15 publications

Environment drives physiological variability in the cold seep mussel Bathymodiolus childressi

Environment drives physiological variability in the cold seep mussel Bathymodiolus childressi

Growth of mussels (Mytilus edulis galloprovincialis) on cultivation rafts: influence of seed source, cultivation site and phytoplankton availability

Coastal upwelling, primary production and mussel growth in the Rías Baixas of Galicia

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