Palancar Reef is a large coral reef on the southwest side of the island of Cozumel and is part of the Arrecifes de Cozumel National Park. The site, popular with scuba divers, is divided into several sections based on depth and coral formations. Dive depths range from 50 to 110 feet (15 to 34 m), with coral swim-throughs in many places.
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
Cozumel is an island and municipality in the Caribbean Sea off the eastern coast of Mexico's Yucatán Peninsula, opposite Playa del Carmen. It is separated from the mainland by Cozumel Channel and is close to the Yucatán Channel. The municipality is part of the state of Quintana Roo, Mexico.
The Arrecifes de Cozumel National Park is off the coast of the island of Cozumel in the state of Quintana Roo, Mexico. The Cozumel reef system is part of the Mesoamerican Barrier Reef System, the second largest coral reef system in the world. Even though almost the entire island of Cozumel is surrounded by coral reefs, the park only encompasses the reefs on the south side of the island. It begins just south of the International Pier and continues down and around Punta Sur and up just a small portion of the east side of the island. The park contains both shallow and mesophotic coral reefs and extends to the 100 m depth isobar.
Marine angelfish are perciform fish of the family Pomacanthidae. They are found on shallow reefs in the tropical Atlantic, Indian, and mostly western Pacific Oceans. The family contains seven genera and about 86 species. They should not be confused with the freshwater angelfish, tropical cichlids of the Amazon Basin.
A barracuda is a large, predatory ray-finned fish known for its fearsome appearance and ferocious behaviour. The barracuda is a saltwater fish of the genus Sphyraena, the only genus in the family Sphyraenidae which was named by Constantine Samuel Rafinesque in 1815. It is found in tropical and subtropical oceans worldwide ranging from the eastern border of the Atlantic Ocean to the Red Sea, on its western border the Caribbean Sea, and in tropical areas of the Pacific Ocean. Barracudas reside near the top of the water and near coral reefs and sea grasses.
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen), usually entirely hidden under the thorax. They live in all the world's oceans, in fresh water, and on land, are generally covered with a thick exoskeleton and have a single pair of pincers. Many other animals with similar names – such as hermit crabs, king crabs, porcelain crabs, horseshoe crabs, and crab lice – are not true crabs.
On September 23rd 2019 the Natural Protected Areas Commission (CONANP) announced that it is temporarily closing a section of the reef from Palancar Gardens all the way around the south tip of the Island. The closure is planned to be in effect from October 7th 2019 to December 15th 2019, at which point they will re-evaluate the health of the reef.
Bonaire is an island in the Leeward Antilles in the Caribbean Sea. Its capital is Kralendijk, located near the ocean on the lee side of the island. Aruba, Bonaire and Curaçao form the ABC islands located 80 km off the coast of Venezuela. Unlike much of the Caribbean region, the ABC islands lie outside Hurricane Alley. The islands have an arid climate that attracts visitors seeking warm, sunny weather year round. Bonaire is a popular snorkeling and scuba diving destination because of its multiple shore diving sites and easy access to the island's fringing reefs.
Tourism is the largest economic industry in the Maldives, as it plays an important role in earning foreign exchange revenues and generating employment in the tertiary sector of the country. The archipelago of the Maldives is the main source of attraction to many tourists visiting the island country.
Key Largo is an island in the upper Florida Keys archipelago and is the largest section of the Keys, at 33 miles (53 km) long. It is one of the northernmost of the Florida Keys in Monroe County, and the northernmost of the Keys connected by U.S. Highway 1. Its earlier Spanish name was Cayo Largo, meaning long islet.
Dry Tortugas National Park is a national park in the United States about 68 miles (109 km) west of Key West in the Gulf of Mexico. The park preserves Fort Jefferson and the seven Dry Tortugas islands, the westernmost and most isolated of the Florida Keys. The archipelago's coral reefs are the least disturbed of the Florida Keys reefs.
The Mesoamerican Barrier Reef System (MBRS), also popularly known as the Great Mayan Reef or Great Maya Reef, is a marine region that stretches over 1,000 kilometres (620 mi) from Isla Contoy at the tip of the Yucatán Peninsula down to Belize, Guatemala and the Bay Islands of Honduras. The reef system includes various protected areas and parks including the Belize Barrier Reef, Arrecifes de Cozumel National Park, Hol Chan Marine Reserve (Belize), Sian Ka'an biosphere reserve, and the Cayos Cochinos Marine Park. Belize's coastline, including the Belize Barrier Reef, is home to approximately 80% of the Mesoamerican Barrier Reef System. The Belize Barrier Reef is the largest barrier reef in the northern hemisphere and the second largest barrier reef in the world. The Belize Barrier Reef and Belize's three offshore atolls, several hundred sand cays, mangrove forests, coastal lagoons and estuaries—collectively termed, the Belize Barrier Reef Reserve System—has been designated a World Heritage Site by UNESCO (1996).
Netrani is a small island of India located in the Arabian Sea. It is off the coast of Karnataka situated approximately 10 nautical miles (19 km) from the temple town of Murudeshwara in Bhatkal Taluka. The island can be seen from the main coast over 15 km away, including from various beaches in Bhatkal city as well as from the Murudeshwar Beach. Views above give this island the appearance of being heart-shaped. Besides pigeons, the other inhabitants of the island are wild goats. This island has scuba diving facilities and the place is easily accessible from Bhatkal, Mangalore, Goa, Mumbai or Bangalore. There are dive shops at Murdeshwara and Goa, that regularly organize diving tripes to the island. Those that do not want to dive can just visit the island and hike in by hiring the full fishing motor boat at the Bhatkal Fishing Harbour/Bunder. It would be beneficial if in big groups. This place is Locally in Bhatkal city known as Nitra Gudo.
Payar Island is an island in Kedah, Malaysia. Payar Island status as a marine park offers protection for its diverse marine life. Payar Island is also a snorkelling and diving site famous for its corals.
Located off the northwest tip of Bird's Head Peninsula on the island of New Guinea, in Indonesia's West Papua province, Raja Ampat, or the Four Kings, is an archipelago comprising over 1,500 small islands, cays, and shoals surrounding the four main islands of Misool, Salawati, Batanta, and Waigeo, and the smaller island of Kofiau. The Raja Ampat archipelago straddles the Equator and forms part of Coral Triangle which contains the richest marine biodiversity on earth.
The Devil's Throat is an underwater cave formation near the island of Cozumel, Mexico, at Punta Sur in the Arrecifes de Cozumel National Park; it starts at approximately 80 feet (24 m) of depth and opens up at approximately 135 ft (41 m) - right at the edge of recreational dive limits.
USS Scuffle (AM-298) was an Admirable-class minesweeper built for the United States Navy during World War II. She was awarded a Presidential Unit Citation and five battle stars for service in the Pacific during World War II. She was decommissioned in June 1946 and placed in reserve. While remaining in reserve, Scuffle was reclassified as MSF-298 in February 1955, but never reactivated. In October 1962, she was sold to the Mexican Navy and renamed ARM DM-05. In 1994, she was renamed ARM General Felipe Xicoténcatl (C53). She was sunk as an artificial reef and dive attraction off of Cozumel in 1999, and was stricken from the rolls of the Mexican Navy in 2000.
MS King Cruiser was a car ferry of that sank off the West Coast of Southern Thailand on 4 May 1997.
Coral reef protection is the process of modifying human activities to avoid damage to healthy coral reefs and to help damaged reefs recover. The key strategies used in reef protection include defining measurable goals and introducing active management and community involvement to reduce stressors that damage reef health. One management technique is to create Marine Protected Areas (MPAs) that directly limit human activities such as fishing.
Bunaken National Park is a marine park in the north of Sulawesi island, Indonesia. The park is located near the centre of the Coral Triangle, providing habitat to 390 species of coral as well as many fish, mollusc, reptile and marine mammal species. The Park is representative of Indonesian tropical water ecosystems, consisting of seagrass plain, coral reef, and coastal ecosystems.
Human impact on coral reefs is significant. Coral reefs are dying around the world. Damaging activities include coral mining, pollution, overfishing, blast fishing, the digging of canals and access into islands and bays. Other dangers include disease, destructive fishing practices and warming oceans. Factors that affect coral reefs include the ocean's role as a carbon dioxide sink, atmospheric changes, ultraviolet light, ocean acidification, viruses, impacts of dust storms carrying agents to far-flung reefs, pollutants, algal blooms and others. Reefs are threatened well beyond coastal areas. Climate change, such as warming temperatures, causes coral bleaching, which if severe kills the coral.
The Miri-Sibuti Coral Reefs National Park is a protected area of coral reefs in Miri Division, Sarawak, Malaysia, off the island of Borneo. The park is a popular dive destination. The Miri-Sibuti Coral Reefs National Park, lying at depths ranging from 7 to 50 metres at the seaward edge, has an average visibility of 10 to 30 metres. The best time to dive is from late March through November each year. Popular diving sites includes Luconia Area, Anemone Garden, Grouper Patch Reef, Atago Maru Wreck and Seafan Garden. There are also some wreck dives. It is one of Malaysia’s most recently discovered diving locations and the largest offshore national park created in the state of Sarawak.
The following index is provided as an overview of and topical guide to recreational dive sites:
Recreational dive sites – Specific places that recreational divers go to enjoy the underwater environment or are used for training purposes
During the 20th century recreational scuba diving was considered to have generally low environmental impact, and was consequently one of the activities permitted in most marine protected areas. Since the 1970s diving has changed from an elite activity to a more accessible recreation, marketed to a very wide demographic. To some extent better equipment has been substituted for more rigorous training, and the reduction in perceived risk has shortened minimum training requirements by several training agencies. Training has concentrated on an acceptable risk to the diver, and paid less attention to the environment. The increase in the popularity of diving and in tourist access to sensitive ecological systems has led to the recognition that the activity can have significant environmental consequences.
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