Stable isotope techniques and food web metrics

This material is based upon work supported by the National Science Foundation under Grant Numbers: NSF EAGER grant #1249370 to J.H.T. and NSF DDIG grant #1502017 to R.E.B. and J.H.T. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.