MARINe represents the largest monitoring effort of its kind. Sites extend across the west coast from Alaska to Mexico, and are being added on the east coast as well.
There are two MARINe protocols used to monitor the rocky intertidal habitat-- the Core Survey protocol and Biodiversity Survey protocol. Sites whose data have been entered into either the Core Database or Biodiversity Database are included on these maps. There are several additional sites which are being monitored by MARINe teams; these are not included on the maps because the data are not in the database. The maps will be updated with these sites as that occurs.