Solange Duhamel, Lamont-Doherty Earth Observatory, Columbia University, Division of Biology and Paleo Environment, Palisades, NY, United States; The University of Arizona, Tucson, NY, United States, Emily Waggoner, The University of Arizona, Tucson, AZ, United States and Julia Diaz, Scripps Institution of Oceanography, La Jolla, CA, United States