Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA

Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA

Isotope Bioscience Laboratory – ISOFYS, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium

Department of Earth and Environment, Boston University, Boston, MA 02215, USA

Department of Earth and Environment, Boston University, Boston, MA 02215, USA

Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA

Département de géographie, Université de Montréal, Montréal, QC, Canada

Lafayette College, Easton, PA 18042, USA

Lincoln University, Jefferson City, MO 65101, USA

The University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA

Department of Earth and Environment, Boston University, Boston, MA 02215, USA

Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA