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Tourist activity in coral reefs of the Natural National Park Corals of Rosario and San Bernardo, Colombia. Islas del Rosario and San Bernardo is a National Nature Park that protects coral reefs and mangroves but is increasingly affected... more
La sorprendente cosmovisión maya articula los planos: celeste, terrestre e inframundo; en el cenote de Holtún en Chichén Itzá.
A review of research into scuba diving fatalities, and the implications for how training is conducted by industry professionals.
A review of research into scuba diving fatalities, and the implications for how training is conducted by industry professionals.
An opening review and commentary of the recently published U.S. Navy Dive Manual Revision 7. Primary focus is on identifying safety issues, that the USN NEDU has emphasised, that are relevant to recreational diving.
An opening review and commentary of the recently published U.S. Navy Dive Manual Revision 7. Primary focus is on identifying safety issues, that the USN NEDU has emphasised, that are relevant to recreational diving.