Term: countryCode

Recommended best practice is to use an ISO 3166-1-alpha-2 country code. Recommended best practice is to use XZ if outside the EEZ (i.e. open seas). Lookup codes here: https://www.iso.org/obp/ui/#search

Origin: DwC

Example: US

Sheet(s) containing term: sample_data

Not required, but recommended by NOAA Omics