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DAN is Divers Alert Network, the diving industry’s largest association dedicated to scuba diving safety. Serving scuba divers for more than 30 years, DAN provides emergency assistance, medical information resources, educational opportunities and more. Whether you are just learning how to scuba dive or are a veteran of the sport, DAN has a great deal to offer you.
 
  
The Nautical Archaeology Program at Texas A&M University and the Centre for Maritime Archaeology and Conservation are pleased to welcome you to this site. This web page is designed as a point of departure for information on nautical archaeology activities at Texas A&M University (TAMU).
The Nautical Archaeology Program (NAP) is the academic degree-granting graduate program at TAMU. Information on the program and the eight laboratories operated by the Center for Maritime Archaeology and Conservation (CMAC) is provided in the web pages below, which are maintained by the faculty/staff.
 
  
 
  
 
  
The Geochemical and Environmental Research Group (GERG) is a center of excellence in applied geosciences within the College of Geosciences of Texas A&M University. GERG, founded in 1981, focuses on applied interdisciplinary research in the ocean and environmental sciences.
 
  
 
  
The mission of CMAC is simple.  CMAC, as a research center at TAMU, and through its affiliation with INA and the Department of Oceanography, will continue to keep TAMU in the forefront of nautical, maritime, and underwater archaeology research. It will continue to build on our expertise in artifact conservation, advance underwater mapping technology, and build on the reputation it now has in these research areas.  More simply put, CMAC’s mission is to form research alliances such as the one we have with the INA in order to continue to be in the forefront of maritime archaeology research and be an active partner in one of the best academic programs in nautical archaeology in the world. To accomplish these ideals, CMAC has incorporated several varied laboratories specializing in various research areas and aspects of nautical archaeology. By concentrating on these objectives, CMAC will accomplish this multifaceted mission.
 
  
The National Association of Underwater Instructors (NAUI Worldwide) has been teaching the world to dive safely since 1959. As the largest non-profit and most respected dive training and certifying organization in the world, NAUI offers a full range of training programs from Skin Diver through Instructor Course Director, with dozens of specialty courses including Nitrox and Technical diving. NAUI’s global reputation for the best in training and educational products reflects its core values of quality dive training through education.
 
  
The NSS Cave Diving Section is the largest cave diving organization in the United States with members in almost every state. While Section members are very active in diving springs in Florida, they also dive mines and sumps in the northern states, conduct high altitude sump diving in the West, perform motorized and stage diving in the South, dive sea caves in the Northeast, survey Bahama Blue Holes, and conduct studies of various caves and springs in Mexico, and the Caribbean.
 
  
Purpose: To document the diversity, significance and distribution of anchialine caves and cave animals
Anchialine (from Greek meaning "near the sea") refers to coastal caves formed in limestone or volcanic rock that are flooded with seawater. They include the longest submerged caves on Earth. These caves are inhabited by a diverse array of previously unknown species from a number of new higher taxa. While some are primitive "living fossils", others are closely related to deep sea species. Most lack eyes and pigment, owing to their existence in the perpetual darkness of underwater caves. While some closely related species are found in caves on opposite sides of the Atlantic Ocean, others, previously known exclusively from caves in the Atlantic Ocean, recently have been discovered in Western Australia. These highly irregular distributions suggest an origin many millions of years ago when the Earth's landmasses were interconnected. Since such anchialine cave animals are frequently limited to a single cave or cave system, pollution or destruction of these caves can result in the extinction of entire species.
 
  
The Institute of Nautical Archaeology (INA) is a non-profit private research institute affiliated with TAMU and works with the Nautical Archaeology Program. The web pages maintained by INA present the array of research conducted by INA, CMAC, and NAP. We hope you will find the information contained here useful, informative, and interesting.