Acknowledgements
This research was funded by the Simons Foundation International as part of the BIOSSCOPE (http://scope.bios.edu/) and MAGIC (SFI award #545298) projects, the NSF funded OCE-1851224, and the Bermuda Atlantic Time-series Study program (BATS; NSF OCE-1756105). Special thanks to the BATS personnel and to the Captains and crew of the RV Atlantic Explorer for their logistical support at sea. This research made use of the FCMMF laboratory equipment at BIOS (NSF DBI-1522206).