History of Animals using Isotope Records (HAIR): a 6-year dietary history of one family of African elephants.

  title={History of Animals using Isotope Records (HAIR): a 6-year dietary history of one family of African elephants.},
  author={Thure E Cerling and George Wittemyer and James R Ehleringer and Christopher H. Remien and Iain Douglas-Hamilton},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={106 20},
The dietary and movement history of individual animals can be studied using stable isotope records in animal tissues, providing insight into long-term ecological dynamics and a species niche. We provide a 6-year history of elephant diet by examining tail hair collected from 4 elephants in the same social family unit in northern Kenya. Sequential measurements of carbon, nitrogen, and hydrogen isotope rations in hair provide a weekly record of diet and water resources. Carbon isotope ratios were… CONTINUE READING
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