TROPICAL EASTERN PACIFIC
(Gulf of California to the Galapagos Islands)
GEOGRAPHIC ZONE CODES

REEF uses a hierarchical 8-digit code system for survey site locations.  Each geographic area has its own set of codes.  When completing a survey, it is important that you fill in as much of the 8-digit code as possible.  If the site that you surveyed is not currently on our list, then please provide a good geographical description and the latitude/longitude if possible.

One Digit:     Region -- Biogeographical Region (ex. Central Gulf of California)
Two Digits:   Sub-Region -- Sub-division of a Regions (ex. Punto Granito - Bahia San Pedro)
Four Digits:   Zone -- Area where a map will indicate sites (ex. Himalaya Bay)
Eight Digits:   Site -- A reporting location (ex. White Rock)

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To only display the code list for a specific region, click on the region's name below.

Pacifico Norte (N. Pacific Coast) | Alto Golfo de California (N. Gulf of California-mainland Mexico) | Centro Golfo de California (Central Gulf of California-mainland Mexico) | Bajo Gulfo de California (Baja-side Gulf of California) | Pacifico Centro-Sur (South-Central Pacific) | 
Central America | Galapagos Islands
Show Entire List

Note: Search function will only search the portion of the list that is displayed below. To search all zone code names within a region, view entire list first.