Large-scale Shoreline Configuration Influences Phytoplankton Concentration and Mussel Growth

Archambault, Philippe; McKindsey, Christopher W.; Bourget, Edwin

doi:10.1006/ecss.1999.0481

Cited by 33 publications

(10 citation statements)

References 33 publications

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“…Feeding may also be favoured by flow (Archambault et al 1999). Thus, hydrodynamics could explain the occurrence of mussel colonization at certain depths over others.…”

Section: Discussionmentioning

confidence: 99%

“…However, few have approached the relationship between flow conditions and zebra mussel colonization success. Reservoir management practices could generate flow condition changes that could alter both the feeding and colonization behavior of mollusks (Eyster and Pechenik 1987, Archambault et al 1999, Wacker and von Elert 2003. A study of the relationship between flow dynamics and mussel settlement and distribution of the populations could help predict their spread or colonization success and allow more effective prevention measures.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Limnological Characterization and Flow Patterns of a Three-coupled Reservoir System and Their Influence onDreissena polymorphaPopulations and Settlement During the Stratification Period

Navarro¹,

Bacardit²,

Caputo³

et al. 2006

Lake and Reservoir Management

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“…Feeding may also be favoured by flow (Archambault et al 1999). Thus, hydrodynamics could explain the occurrence of mussel colonization at certain depths over others.…”

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Limnological Characterization and Flow Patterns of a Three-coupled Reservoir System and Their Influence onDreissena polymorphaPopulations and Settlement During the Stratification Period

Navarro¹,

Bacardit²,

Caputo³

et al. 2006

Lake and Reservoir Management

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“…A reduction in secondary basin area due to human interventions will likely influence the entire estuarine sand budget and morphodynamics. Moreover, secondary basins are important sinks for nutrients, implying that reduction in secondary basin area will have ecological implications as well, such as a decline in phytoplankton and mussel population (Archambault et al, ). Furthermore, the presence of secondary basins has a major impact on the tidal characteristics and sediment transport in the main estuary (Alebregtse & de Swart, ; Kumar et al, ; Li et al, ), meaning that reduction of the basin area will likely affect the hydrodynamic and sediment processes in the estuary.…”

Section: Introductionmentioning

confidence: 99%

Estuarine Channel Evolution in Response to Closure of Secondary Basins: An Observational and Morphodynamic Modeling Study of the Western Scheldt Estuary

et al. 2018

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The fringes of estuaries are often characterized by the presence of side embayments (secondary basins), with dimensions in the order of hundreds of meters to tens of kilometers. The presence of secondary basins significantly alters the hydrodynamic and sediment characteristics in the main estuary, implying that loss of secondary basin area due to human interventions might affect the estuarine morphodynamics. Analysis of historical bathymetric data of the Western Scheldt Estuary (Netherlands) suggests that closure of its secondary basins has triggered the observed lateral displacement of the nearby channels. This analysis motivated investigation of the impact of secondary basins on decadal evolution of estuarine channels, using the numerical model Delft3D. Model results show that channels that form near a secondary basin are located farther away from the bank of the estuary with respect to their positions in the case without a basin. Overall, results in cases with two or three basins are similar to those in case with one single basin. The wider the basin, the farther away the nearby channel forms. Removing a secondary basin causes a lateral displacement of the nearby channel toward the bank, indicating that the observed lateral displacement of channels in the Western Scheldt is triggered by closure of its secondary basins. The physical explanation is that tidal currents in the main estuary are weaker and more rotary near secondary basins, favoring sediment deposition and shoal development at these locations. Model results are particularly relevant for estuaries with moderate to high friction and converging width.

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“…Hence, we cannot determine individual species growth and survival profiles and species secondary production in mixed mussel populations (Mallet and Carver, 1993) (see also Archambault et al, 1999;Hunt and 20 Scheibling, 2001, for studies on mortality and recruitment of mixed mussel populations). We assume that the ice scouring and other physical factors similarly affect both M. edulis and M. trossulus.…”

Section: Mixed Nature Of the Mussel Bedmentioning

confidence: 99%

Small-scale variations in mussel (Mytilus spp.) dynamics and local production

Cusson

Bourget

2005

Journal of Sea Research

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A mussel bed was sampled monthly at four intertidal levels (mid: 2.15; mid-low: 1.65; low: 1.2 and sublittoral fringe: 0.7 m from chart datum) from July 1979 to July 1980 at Pointe-Mitis in the St.Lawrence estuary. Our results show a strong spring reduction of abundance (both in density and biomass), which suggests that the mussel bed was being degraded. Community perturbation was 5 attributed to ice scour. Partial reestablishment of the mussel bed (all age classes) was observed during late spring and early summer and occurred mainly at the mid-low intertidal level. Changes in the size structure of the mussel bed with level suggest that the annual windstorm regime may be an important factor in the dynamics of the bed. Mean body mass decreased at the three lower shore levels but increased at the highest shore level. Overall, net secondary production (assessed by the increment 10 summation method) was negative due to the decrease in mean body mass. Annual production (kJ m -2 yr -1 ) from the mid intertidal level to the sublittoral fringe were respectively 1130, -4072, -4013 and -3258 while P/B ratios (yr -1 ) were 0.17, -0.69, -0.50 and -0.45. The calculated production and the productivity (potential production) are compared and used to provide insight about the condition of the mussel bed. 15

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Large-scale Shoreline Configuration Influences Phytoplankton Concentration and Mussel Growth

Cited by 33 publications

References 33 publications

Limnological Characterization and Flow Patterns of a Three-coupled Reservoir System and Their Influence onDreissena polymorphaPopulations and Settlement During the Stratification Period

Limnological Characterization and Flow Patterns of a Three-coupled Reservoir System and Their Influence onDreissena polymorphaPopulations and Settlement During the Stratification Period

Estuarine Channel Evolution in Response to Closure of Secondary Basins: An Observational and Morphodynamic Modeling Study of the Western Scheldt Estuary

Small-scale variations in mussel (Mytilus spp.) dynamics and local production

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