Stable isotope signal homogeneity and differences between and within pinniped muscle and skin

@inproceedings{Todd2009StableIS,
  title={Stable isotope signal homogeneity and differences between and within pinniped muscle and skin},
  author={Sean K. Todd and Bethany Holm and David A. S. Rosen and Dominic John Tollit},
  year={2009}
}
Stable isotope analysis (SIA) is often used to examine diet choice and trophic relationships in marine mammals (e.g., see Hobson 1999, Kelly 2000). However, the technique makes a number of largely untested assumptions (Gannes et al. 1997). For example, because marine mammal SIA studies typically sample only a small section of tissue (due to logistical or animal welfare considerations), researchers often assume that biopsy to be representative of the whole animal—that is, that the isotopic… CONTINUE READING
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