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Naval transportation played an important role in chrome mining in Cuba since the mineral was shipped and transferred in cargo ships to North American ports. In the community of Yamanigüey in the municipality of Moa, a wreck linked to chrome mining has been submerged for more than 60 years. Due to the lack of management of the municipality's underwater cultural heritage, there is a risk of it being looted. An inventory was carried out to identify the submerged wreck using knowledge of geodesy and diving techniques to achieve the subsequent cataloguing, registration and protection of this wreck as mining and cultural heritage of the Moa Municipality. The macroscopic identification of a chromite sample in the archaeological site where the wreck is located confirms the transportation of the mineral at the time of its shipwreck. [ABSTRACT FROM AUTHOR]

Located in the northwest region of Cuba, Cayo Levisa is the only key in the archipelago "Los Colorados" with tourist installations and where contemplative diving services are offered. Diving is done in costal reefs between 5 and 30m deep, principally in rocky planes with corals and gorgonians, spur and groove and in wall zones. Tables and graphics that show morphological and biological characteristics of the 7 most used diving spots and dominant species of coral and fish in the reefs in 2003 are presented. Sponges and gorgonians were most abundant in the spot localized at the west of the key. Fourteen species of corals were dominant in the reef and coral cover and colony size were bigger in the shallower diving spot. The reefs were dominated by 10 species of fish and the absence of groupers and snappers was significant. [ABSTRACT FROM AUTHOR]