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atmospheric oxygen

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    A process-based ecosystem model (Paleo-BGC) to simulate the dynamic response of Late Carboniferous plants to elevated O2 and aridification
    Joseph D. White, Isabel P. MontaƱez, Jonathan P. Wilson, Christopher J. Poulsen, Jennifer C. McElwain, William A. DiMichele, Michael T. Hren, Sophia Macarewich, Jon D. Richey and William J. Matthaeus
    American Journal of Science September 2020, 320 (7) 547-598; DOI: https://doi.org/10.2475/09.2020.01
  • You have access
    Analysis of gases in fossil amber
    Gary P. Landis and Robert A. Berner
    American Journal of Science May 2018, 318 (5) 590-601; DOI: https://doi.org/10.2475/05.2018.06

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