sprep-pa
As a follow on to a comprehensive global Ecological Land Units map that Esri and the USGS released in December 2014, a new global Ecological Marine Units (EMU) map will be available in the coming months.
https://blogs.esri.com/esri/esri-insider/2016/03/14/new-map-sets-framework-for-describing-ocean-ecology-in-unprecedented-detail/?utm_source=esri&utm_medium=email&utm_term=143791&utm_campaign=globe_2016
