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

Source: The Journal of Experimental Biology 213, 2602-2609; 2010

Author(s)Peyer, Suzanne M.; Hermanson, John C.; Lee, Carol Eunmi

Publication Year: 2010  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4714-MA

Abstract: The 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.

Keywords: Invertebrate pests, pest development, food supply, aquatic pests, fouling organisms, mussels, freshwater mussels, freshwater pests, bivalves, mollusks, quagga mussel, biological invasions, nonindigenous pests, introduced organisms, pest introduction, shells, morphology, freshwater invertebrates, water temperature, phenotypic plasticity, calcification, Dreissena bugensis, invasive species, functional morphology, Great Lakes, moment of inertia, phenotypic plasticity

Publication Review Process: Formally Refereed

File size: 644 kb(s)

Date posted: 01/10/2011

This publication is also viewable on Treesearch:  view
RITS Product ID: 36161
Current FPL Scientist associated with this product
Hermanson, John C.
Research General Engineer
  

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