Colonial Aggregates: Effects of Spatial Position on Zebra Mussel Responses to Vertical Gradients in Interstitial Water Quality

Burks, Romi L.; Tuchman, Nancy C.; Call, Christopher A.; Marsden, J. Ellen

doi:10.2307/1468300

Cited by 38 publications

(53 citation statements)

References 26 publications

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“…see Thayer, 1975) where they have adopted an infaunal lifestyle (Dermott and Munawar, 1993). Zebra mussels are known to move in response to environmental conditions (Kobak, 2001;Toomey et al, 2002;Burks et al, 2002). Shell S. M. Peyer, J. C. Hermanson and C. E. Lee morphology might affect such movement and have important consequences for habitat selection and survival of both zebra and quagga mussels.…”

Section: Functional Consequences Of Shell Morphologymentioning

confidence: 99%

Developmental plasticity of shell morphology of quagga mussels from shallow and deep-water habitats of the Great Lakes

Peyer

Hermanson

Lee

2010

Journal of Experimental Biology

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SUMMARYThe invasive zebra mussel (Dreissena polymorpha) has quickly colonized shallow-water habitats in the North American Great Lakes since the 1980s but the quagga mussel (Dreissena bugensis) is becoming dominant in both shallow and deep-water habitats. While quagga mussel shell morphology differs between shallow and deep habitats, functional causes and consequences of such difference are unknown. We examined whether quagga mussel shell morphology could be induced by three environmental variables through developmental plasticity. We predicted that shallow-water conditions (high temperature, food quantity, water motion) would yield a morphotype typical of wild quagga mussels from shallow habitats, while deep-water conditions (low temperature, food quantity, water motion) would yield a morphotype present in deep habitats. We tested this prediction by examining shell morphology and growth rate of quagga mussels collected from shallow and deep habitats and reared under common-garden treatments that manipulated the three variables. Shell morphology was quantified using the polar moment of inertia. Of the variables tested, temperature had the greatest effect on shell morphology. Higher temperature (~18-20°C) yielded a morphotype typical of wild shallow mussels regardless of the levels of food quantity or water motion. In contrast, lower temperature (~6-8°C) yielded a morphotype approaching that of wild deep mussels. If shell morphology has functional consequences in particular habitats, a plastic response might confer quagga mussels with a greater ability than zebra mussels to colonize a wider range of habitats within the Great Lakes.

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Section: Functional Consequences Of Shell Morphologymentioning

confidence: 99%

Developmental plasticity of shell morphology of quagga mussels from shallow and deep-water habitats of the Great Lakes

Peyer

Hermanson

Lee

2010

Journal of Experimental Biology

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“…Directed movement is likely to be a fitness-related trait that affects fitness and survival. As mentioned previously (see Introduction), zebra mussels have been found to move in response to environmental factors, including light, nitrogenous waste, oxygen and substrate type (see Burks et al, 2002;Kilgour and Mackie, 1993;Kobak, 2001;Kobak and Nowacki, 2007;Marsden and Lansky, 2000;Toomey et al, 2002). A previous study found that zebra mussels moved 22cm within a 2h period (Toomey et al, 2002).…”

Section: Functional Consequences Of Shell Morphology For Locomotion Amentioning

confidence: 80%

“…Zebra mussels are known to move in response to various environmental factors (e.g. light, nitrogenous waste, oxygen and substrate type) that influence habitat selection and survival (see Burks et al, 2002;Kilgour and Mackie, 1993;Kobak, 2001;Kobak and Nowacki, 2007;Marsden and Lansky, 2000;Toomey et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Effects of shell morphology on mechanics of zebra and quagga mussel locomotion

Peyer

Hermanson

Lee

2011

Journal of Experimental Biology

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SUMMARYAlthough zebra mussels (Dreissena polymorpha) initially colonized shallow habitats within the North American Great Lakes, quagga mussels (Dreissena bugensis) are becoming dominant in both shallow-and deep-water habitats. Shell morphology differs among zebra, shallow quagga and deep quagga mussels but functional consequences of such differences are unknown. We examined effects of shell morphology on locomotion for the three morphotypes on hard (typical of shallow habitats) and soft (characteristic of deep habitats) sedimentary substrates. We quantified morphology using the polar moment of inertia, a parameter used in calculating kinetic energy that describes shell area distribution and resistance to rotation. We quantified mussel locomotion by determining the ratio of rotational (K rot ) to translational kinetic energy (K trans ). On hard substrate, K rot :K trans of deep quagga mussels was fourfold greater than for the other morphotypes, indicating greater energy expenditure in rotation relative to translation. On soft substrate, K rot :K trans of deep quagga mussels was approximately one-third of that on hard substrate, indicating lower energy expenditure in rotation on soft substrate. Overall, our study demonstrates that shell morphology correlates with differences in locomotion (i.e. K rot :K trans ) among morphotypes. Although deep quagga mussels were similar to zebra and shallow quagga mussels in terms of energy expenditure on sedimentary substrate, their morphology was energetically maladaptive for linear movement on hard substrate. As quagga mussels can possess two distinct morphotypes (i.e. shallow and deep morphs), they might more effectively utilize a broader range of substrates than zebra mussels, potentially enhancing their ability to colonize a wider range of habitats.Key words: biological invasions, bivalve, functional morphology, Great Lakes, kinetic energy, locomotion, mollusc, moment of inertia, sediment. THE JOURNAL OF EXPERIMENTAL BIOLOGY Mussel morphology and movementA shell morphology that facilitates locomotion across particular substrate types might affect fitness and survival of zebra and quagga mussels on those substrates. Zebra mussels are known to move in response to various environmental factors (e.g. light, nitrogenous waste, oxygen and substrate type) that influence habitat selection and survival (see Burks et al., 2002;Kilgour and Mackie, 1993;Kobak, 2001;Kobak and Nowacki, 2007;Marsden and Lansky, 2000;Toomey et al., 2002).The objective of this study was to directly examine the effects of shell morphology on locomotion of different mussel morphotypes (i.e. zebra, shallow quagga and deep quagga mussels) on hard versus soft sedimentary substrates. We determined the effects of shell shape on locomotory function by calculating translational and rotational kinetic energy (K trans and K rot , respectively) for zebra and quagga mussels moving across hard and soft substrate types. K trans and K rot directly account for effects of shell size and shape on locomotory function, as K tr...

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“…Besides, in some bivalves, including zebra mussels, adult individuals enhance juvenile attachment (URYU et al 1996, KOBAK 2001. On the other hand, new settlers may avoid adult aggregations, escaping from unfavourable effects of life in high density: intraspecific competition, accumulation of faeces and oxygen depletion (BURKS et al 2002). For instance, STAÑCZYKOWSKA (1964) observed deteriorating physical condition of mussels living in dense assemblages.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, hard surfaces are preferred to soft sediments (LEWANDOWSKI 1982, KARATAYEV 1995, and biofilm-covered sites to clean ones (WAINMAN et al 1996, GU et al 1997. Besides, mussel locomotion is influenced by gravity (KOBAK 2001(KOBAK , 2002 and a position within a colony (BURKS et al 2002).…”

Section: Introductionmentioning

confidence: 99%

Impact of conspecifics on recruitment and behaviour of Dreissena polymorpha (Pallas, 1771)

Kobak¹

2003

Folia Malac.

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Behaviour of larvae, juveniles and adults of Dreissena polymorpha in the presence of the conspecifics was investigated in field and laboratory experiments. Mussel recruitment was studied in plastic chambers containing living conspecifics, their empty shells or calcareous, mussel-sized stones. The objects were glued to the chamber bottom and covered by nylon mesh. The experiment was carried out in the channel connecting the Port Zimowy harbour with the Vistula River (Toruñ, Poland). Total mussel densities in the above treatments were the same as in the empty chambers. However, the distribution of the new settlers depended on the quality of the glued objects, with the vicinity of living mussels and empty shells being preferred to stones. This suggests that mussels responded to conspecifics after settling on substrate. Migration of juvenile and adult mussels in the presence of the same stimuli was then studied in a laboratory experiment. Both groups preferred the vicinity of living conspecifics, but any kind of the firmly attached objects decreased the number of individuals leaving the substrate, compared to the flat surfaces.

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Colonial Aggregates: Effects of Spatial Position on Zebra Mussel Responses to Vertical Gradients in Interstitial Water Quality

Cited by 38 publications

References 26 publications

Developmental plasticity of shell morphology of quagga mussels from shallow and deep-water habitats of the Great Lakes

Developmental plasticity of shell morphology of quagga mussels from shallow and deep-water habitats of the Great Lakes

Effects of shell morphology on mechanics of zebra and quagga mussel locomotion

Impact of conspecifics on recruitment and behaviour of Dreissena polymorpha (Pallas, 1771)

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