1. Marine Biology Research Division Scripps Institution of Oceanography, University of California San Diego La Jolla CA 92093‐0202 USA
2. Department of Biology Georgetown University, NW Washington DC 20057 USA
3. Blue Marble Space Institute of Science Seattle WA 98104 USA
4. Daniel Guggenheim School of Aerospace Engineering Georgia Institute of Technology Atlanta GA 30332 USA
5. Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta GA 30332 USA
6. Integrative Oceanography Division, Scripps Institution of Oceanography University of California San Diego La Jolla CA 92093‐0218 USA
7. Center for Microbiome Innovation University of California San Diego La Jolla CA 92093‐0218 USA