Title page for ETD etd-05142006-181015


Type of Document Dissertation
Author Barbour Wood, Susan L.
URN etd-05142006-181015
Title Quantitative Ecological and Taphonomic Patterns in Late Cenozoic Mollusk-Dominated Marine Fossil Assemblages
Degree PhD
Department Geosciences
Advisory Committee
Advisor Name Title
Kowalewski, Michal Committee Chair
Read, James Fredrick Committee Member
Scheckler, Stephen E. Committee Member
Tracy, Robert J. Committee Member
Ward, Lauck W. Committee Member
Keywords
  • radiocarbon dating
  • brachiopods
  • Bouchardia
  • mollusks
  • Semele
  • Holocene
  • Quaternary
  • Brazil
  • Ubatuba Bay
  • reservoir age
  • taphonomy
  • time averaging
  • Atlantic Coastal Plain
  • Miocene
  • Pliocene
  • Eastover
  • Cobham Bay
  • Yorktown
  • Sunken Meadow
  • aspartic
  • Amino acid racemization
  • paleoecology
  • gradient
  • ordination
Date of Defense 2006-04-13
Availability unrestricted
Abstract
Applications in paleontological research are far from being limited to taxonomic collection and identification. Nor is such research limited to working solely on fossil data. Actualistic paleontology is the study of modern or recent organisms and processes to better understand those of the past. The bulk of this body of research falls under the category of actualistic paleontology, and examines geochronological methods and error biases in dating biological specimens ranging in age from modern to thousands of years old. Although such methods are arguably not perfect, error rates of ± a few hundred to few thousand years can be extremely important when considering ecological relationships among both Holocene taxa and time-averaged paleocommunities, but quite diminished when considering implications on more traditional dating techniques for ancient strata. Regardless, understanding implications of time resolution is important in analyses of and comparisons between any biological dataset. The following chapters are united by quantitative and statistical management of data with varying levels of temporal resolution, and represent four manuscripts that either are in press or soon to be submitted for publication.
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