Carbon isotopes from fossil packrat pellets and elevational movements of Utah agave plants reveal the Younger Dryas cold period in Grand Canyon, Arizona

@article{Cole2005CarbonIF,
  title={Carbon isotopes from fossil packrat pellets and elevational movements of Utah agave plants reveal the Younger Dryas cold period in Grand Canyon, Arizona},
  author={K. Cole and S. T. Arundel},
  journal={Geology},
  year={2005},
  volume={33},
  pages={713-716}
}
  • K. Cole, S. T. Arundel
  • Published 2005
  • Geology
  • Geology
    • Carbon isotopes in rodent fecal pellets were measured on packrat (Neotoma spp.) middens from the Grand Canyon, Arizona. The pellet samples reflect the abundance of cold-intolerant C4 and Crassulacean acid metabolism (CAM) plant species relative to the predominant C3 vegetation in the packrat diet. The temporal sequence of isotopic results suggests a temperature decline followed by a sharp increase corresponding to the Bolling/ Allerod‐Younger Dryas‐early Holocene sequence. This pattern was then… CONTINUE READING
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