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    Barnacle larvae in ice : survival, reproduction, and time to post settlement metamorphosis

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    Pineda_DiBacco_Starczak.pdf (494.7Kb)
    Date
    2005
    Author
    Pineda, Jesus  Concept link
    DiBacco, Claudio  Concept link
    Starczak, Victoria R.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/346
    Keyword
     Semibalanus balanoides; Larval tolerance; Freezing conditions 
    Abstract
    Late stage larvae (cyprids) of the barnacle Semibalanus balanoides frequently encounter freezing conditions along the northwest Atlantic coast. S. balanoides cyprids survived for more than 4 weeks embedded in sea ice, and a significant fraction of larvae held in ice up to 2 weeks successfully settled and metamorphosed after thawing. Larvae that completed metamorphosis continued to develop and reproduce. In settlement experiments with cyprids of known age and where settled cyprids were removed every other day from the experimental containers, cyprids held in ice for 2 weeks settled and metamorphosed more than nonfrozen larvae. Mean time to metamorphosis was longer for frozen cyprids than for nonfrozen ones, and maximum time to metamorphosis was 38 d for cyprids held in sea ice for 2 weeks and 26 d for cyprids in nonfrozen treatments. Larval tolerance to freezing conditions greatly expands the environmental tolerance repertoire of marine invertebrates and may help explain the ecological success of this widespread intertidal species.
    Description
    Author Posting. © The Author(s), 2005. This is the author's version of the work. It is posted here by permission of American Society of Limnology and Oceanography for personal use, not for redistribution. The definitive version was published in Limnology and Oceanography 50 (2005): 1520-1528.
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    Suggested Citation
    Preprint: Pineda, Jesus, DiBacco, Claudio, Starczak, Victoria R., "Barnacle larvae in ice : survival, reproduction, and time to post settlement metamorphosis", 2005, https://hdl.handle.net/1912/346
     
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