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Morphometric variability in the extant coccolithophores: implications for the fossil record
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Title
Morphometric variability in the extant coccolithophores: implications for the fossil record
Name
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Kahn
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Alicia C.M.
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Alicia C.M. Kahn
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author
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Aubry
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Marie-Pierre
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Advisory Committee
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Marie-Pierre Aubry
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chair
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Miller
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Kenneth
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Advisory Committee
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Kenneth G. Miller
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internal member
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Wright
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James
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Advisory Committee
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James D. Wright
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internal member
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Triantaphyllou
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Maria
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Advisory Committee
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Maria Triantaphyllou
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outside member
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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Text
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theses
OriginInfo
DateCreated
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2007
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2007
Language
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English
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electronic
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application/pdf
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text/xml
Extent
xxvii, [250] pages
Note
Supplementary File: Appendix I: Ch. 4 M. convallis
Abstract
This detailed quantitative study shows significant intraspecific morphologic variability in species within modern calcareous nannoplankton communities. The link between depth of habitat and particular morphological components may indicate morphological adaptation and functionality. I use fine scale morphological characteristics to differentiate species variants or conversely, to identify polymorphism within species.
Rhabdospheres and rhabdoliths of species within the family Rhabdosphaeraceae are analyzed as shallow photic zone proxies and reveal significant intra- and interspecific variability, whereas coccospheres and coccoliths of species in the deep photic zone show notably less variability in size and structure. The intra- and interspecific morphological variability that is noted with depth stratification is applicable to the fossil record in paleoceanographic reconstruction. I compare the extant species of the deep photic zone to the Miocene Minylitha convallis and find parallels that imply similar habitats (depth and stratification).
Rhabdospheres and rhabdoliths of species within the family Rhabdosphaeraceae are analyzed as shallow photic zone proxies and reveal significant intra- and interspecific variability, whereas coccospheres and coccoliths of species in the deep photic zone show notably less variability in size and structure. The intra- and interspecific morphological variability that is noted with depth stratification is applicable to the fossil record in paleoceanographic reconstruction. I compare the extant species of the deep photic zone to the Miocene Minylitha convallis and find parallels that imply similar habitats (depth and stratification).
Note
(type = degree)
Ph.D.
Note
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Includes bibliographical references.
Subject
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Topic
Geological Sciences
Subject
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(authority = ETD-LCSH)
Topic
Coccolithophores
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Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
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rucore19991600001
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.16404
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ETD_354
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NjNbRU
Identifier
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doi:10.7282/T3FF3SR4
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ETD doctoral
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The author owns the copyright to this work.
Copyright
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Copyright protected
Availability
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Open
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Name
Alicia Kahn
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Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
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Permission or license
Detail
Non-exclusive ETD license
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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