Valve-Gape Response Times in Mussels (Mytilus Edulis)-Effects of Laboratory Preceding-Feeding Conditions and in Situ Tidally Induced Variation in Phytoplankton Biomass

Riisgård, Hans Ulrik; Lassen, Johan; Kittner, Christina

doi:10.2983/0730-8000(2006)25[901:vrtimm]2.0.co;2

Cited by 63 publications

(8 citation statements)

References 29 publications

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“…Our results showed that once there is food enough, the bivalves do not return to a dormant state but start feeding continuously with fully open valves. These results agree with earlier studies in A. islandica (Winter 1969) and other bivalves (Higgins 1980; Williams and Pilditch 1997; Riisgård et al 2006) where the presence of Chl-a appears to be the main driver for sustained opening of their valves.…”

Section: Discussionsupporting

confidence: 92%

“…Light could have an indirect effect on A. islandica through modulation of food availability (Kaartvedt 2008). There is indeed evidence that for some species of bivalves, valve gape responds to the presence of algal food (Higgins 1980; Williams and Pilditch 1997; Riisgård et al 2003, 2006. In laboratory conditions under continuous light exposure, A. islandica exhibited a 3–7 min periodicity in valve and mantle activity, which could be related to intrinsic drivers such as a biological clock (Rodland et al 2006).…”

Section: Discussionmentioning

confidence: 99%

“…Based on those studies, food, temperature, and light conditions are considered key drivers of valve activity. Earlier studies on A. islandica (Winter 1969) and other bivalves (Higgins 1980; Williams and Pilditch 1997; Riisgård et al 2006) identified the presence of Chl-a as the main driver for a sustained opening of their valves. Other studies, however, demonstrated that light conditions can directly trigger valve gape activity of species such as Pinna nobilis and Hippopus hippopus (García-March et al 2008; Schwartzmann et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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Environmental factors regulating gaping activity of the bivalve Arctica islandica in Northern Norway

et al. 2017

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Arctica islandica is the longest-living non-colonial animal known at present. It inhabits coastal waters in the North Atlantic and its annual shell increments are widely used for paleoclimatic reconstructions. There is no consensus, however, about the intra-annual timing of its feeding activity and growth. This research aims to identify the main environmental drivers of A. islandica valve gape to clarify the ambiguity surrounding its seasonal activity. A lander was deployed from February 2014 to September 2015 on the sea bottom at Ingøya, Norway (71°03′N, 24°05′E) containing living A. islandica specimens (70.17 ± 0.95 mm SE) in individual containers. Each individual was attached to an electrode unit that measured the distance between their valves (valve gape) every minute. Individuals were followed for various lengths of time, and in some cases replaced by smaller individuals (54.34 ± 0.63 mm SE). The lander was also equipped with instruments to simultaneously monitor temperature, salinity, [Chl-a], turbidity, and light. There was a significant difference in the average monthly valve gape (P value < 0.01), with monthly means of 19–84% of the total valve gape magnitude. The experimental population was largely inactive October–January, with an average daily gape <23%. During this period the clams opened at high amplitude once or twice a month for 1–3 days. Seasonal cycles of sea water temperature and [Chl-a] were temporally offset from each other, with temperature lagging [Chl-a] by about 2 months. Multiple regression analyses showed that bivalve gaping activity was most closely correlated with variable [Chl-a], and to a much smaller degree with photoperiod and temperature.Electronic supplementary materialThe online version of this article (doi:10.1007/s00227-017-3144-7) contains supplementary material, which is available to authorized users.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Environmental factors regulating gaping activity of the bivalve Arctica islandica in Northern Norway

et al. 2017

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“…Measurement of bivalve shell gaping has a long history in freshwater and subtidal marine species, primarily under laboratory conditions (Barnes, 1955;Byrne et al, 1990;Shumway and Cucci, 1987) or in industrial settings where bivalves may be used for monitoring water quality (Sow et al, 2011;Tran et al, 2003). In subtidal field settings, several groups have produced long-duration, high-resolution time series of bivalve shell gaping behaviors, showing evidence of circadian or circalunar rhythms of gape in clams and mussels (García-March et al, 2016Schwartzmann et al, 2011), while in tidally influenced channels a tidal rhythm has been observed (Riisgård et al, 2006). Our MusselTracker system may represent the first successful multiweek deployment of a valve gape monitoring system in the waveswept intertidal zone, where gaping patterns are likely to be driven primarily by tidal cycles, but may also respond to thermal, desiccation and/or hypoxic stress experienced during low tide.…”

Section: Introductionmentioning

confidence: 99%

Multimodalin situdatalogging quantifies inter-individual variation in thermal experience and persistent origin effects on gaping behavior among intertidal mussels (Mytilus californianus)

Miller

Dowd

2017

Journal of Experimental Biology

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In complex habitats, environmental variation over small spatial scales can equal or exceed larger-scale gradients. This small-scale variation may allow motile organisms to mitigate stressful conditions by choosing benign microhabitats, whereas sessile organisms may rely on other behaviors to cope with environmental stresses in these variable environments. We developed a monitoring system to track body temperature, valve gaping behavior and posture of individual mussels () in field conditions in the rocky intertidal zone. Neighboring mussels' body temperatures varied by up to 14°C during low tides. Valve gaping during low tide and postural adjustments, which could theoretically lower body temperature, were not commonly observed. Rather, gaping behavior followed a tidal rhythm at a warm, high intertidal site; this rhythm shifted to a circadian period at a low intertidal site and for mussels continuously submerged in a tidepool. However, individuals within a site varied considerably in time spent gaping when submerged. This behavioral variation could be attributed in part to persistent effects of the mussels' developmental environment. Mussels originating from a wave-protected, warm site gaped more widely, and remained open for longer periods during high tide than mussels from a wave-exposed, cool site. Variation in behavior was modulated further by recent wave heights and body temperatures during the preceding low tide. These large ranges in body temperatures and durations of valve closure events - which coincide with anaerobic metabolism - support the conclusion that individuals experience 'homogeneous' aggregations such as mussel beds in dramatically different fashion, ultimately contributing to physiological variation among neighbors.

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“…Generally, filter-feeding bivalves reduce their filtration rate by reducing or completely closing their valve-gape (e.g., Riisgård and Larsen, 2015). Video recordings of valve-gape responses of M. edulis to absence or presence of algal cells in the ambient water have revealed that the critical algal concentration (at which concentration the bivalve closes its valves) is between 0.5 and 0.9 mg chl a l −1 (Riisgård et al, 2006;Pascoe et al, 2009).…”

Section: Future Application Approachesmentioning

confidence: 99%

The Application of Long-Lived Bivalve Sclerochronology in Environmental Baseline Monitoring

Steinhardt¹,

Butler

Carroll

et al. 2016

Front. Mar. Sci.

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Assessments of the impact of construction, operation, and removal of large infrastructures and other human activities on the marine environment are limited because they do not fully quantify the background baseline conditions and relevant scales of natural variability. Baselines as defined in Environmental Impact Assessments typically reflect the status of the environment and its variability drawn from published literature and augmented with some short term site specific characterization. Consequently, it can be difficult to determine whether a change in the environment subsequent to industrial activity is within or outside the range of natural background variability representative of an area over decades or centuries. An innovative approach that shows some promise in overcoming the limitations of traditional baseline monitoring methodology involves the analysis of shell material (sclerochronology) from molluscs living upon or within the seabed in potentially affected areas. Bivalves especially can be effective biomonitors of their environment over a wide range of spatial and temporal scales. A rapidly expanding body of research has established that numerous characteristics of the environment can be reflected in morphological and geochemical properties of the carbonate material in bivalve shells, as well as in functional responses such as growth rates. In addition, the annual banding pattern in shells can provide an absolute chronometer of environmental variability and/or industrial effects. Further, some species of very long-lived bivalves can be crossdated back in time, like trees, by comparing these annual banding patterns in their shells. It is therefore feasible to develop extended timeseries of certain marine environmental variables that can provide important insights into long temporal scales of baseline variability. We review recent innovative work on the shell structure, morphology, and geochemistry of bivalves and conclude that they have substantial potential for use as monitors of environmental variability and the effects of pollutants and disturbance.

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Valve-Gape Response Times in Mussels (Mytilus Edulis)-Effects of Laboratory Preceding-Feeding Conditions and in Situ Tidally Induced Variation in Phytoplankton Biomass

Cited by 63 publications

References 29 publications

Environmental factors regulating gaping activity of the bivalve Arctica islandica in Northern Norway

Environmental factors regulating gaping activity of the bivalve Arctica islandica in Northern Norway

Multimodalin situdatalogging quantifies inter-individual variation in thermal experience and persistent origin effects on gaping behavior among intertidal mussels (Mytilus californianus)

The Application of Long-Lived Bivalve Sclerochronology in Environmental Baseline Monitoring

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