Publications by authors named "Kelly R Bowen"

Rationale: Stable isotope analysis of growth layer groups (GLGs) in mammal dentin is an increasingly prevalent and noninvasive approach to study animal foraging ecology. However, empirical evidence to support assumed proper methodologies for sampling GLGs is lacking. Here, we examine the effects of intratooth and intertooth variations with respect to targeted GLGs, as well as the effects of common pretreatments (e.

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Article Synopsis
  • The study explores how different pre-treatment methods affect stable carbon (δC) and nitrogen (δN) isotope values in killer whale (Orcinus orca) bone collagen.
  • While no significant changes were found in δN values across methods, all treatments significantly increased δC values, with the combination of demineralization and lipid extraction being the most effective.
  • The purity of collagen, measured through C:N ratios, improved with treatment but showed no correlation with the historical age of the samples or physical characteristics.
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