The largest coral reef in the world, the Great Barrier Reef off the northeastern coast of Australia, consists of more than 2,900 coral reefs, 600 continental islands, 300 coral cays, and thousands of animal species.Here's a rundown of indigenous creatures—including fish, corals, mollusks, echinoderms, jellyfish, sea snakes, marine turtles, sponges, whales, dolphins, seabirds, and … They come to the surface to breathe through nostrils Dies ist das einzige Verbreitungsgebiet, in dem Dugongs noch häufig sind. Dugongs are vulnerable to anthropogenic impacts because they are long-lived slow breeding animals with a … This richness and uniqueness make the reef crucial for tourism and the Australian economy—it … Tourists can swim with them or observe them from boats. Great Barrier Reef Marine Park Authority Townsville: Type of document: Report: Series/Report no. And unlike manatees, which use freshwater areas, the dugong is strictly a marine mammal. The Great Barrier Reef is the world's largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi). The Great Barrier Reef provides important feeding areas for the species; this reef area houses a stable population of around 10,000, although the population concentration has shifted over time. In addition, the dugong has high biodiversity value as the only species in the Family Dugongidiae and one of only four species in the Order Sircnia, all four species of which are listed as vulnerable to extinction by the World Conservation Union. Download this information in .CSV format . Keywords : Great Barrier Reef Marine Park Authority, dugong, endangered species, traditional use, user involvement, research, management, education Technical Reports are intended for detailed papers which represent the ,Authority’s position Postal Address: Great Barrier Reef … Class Family Scientific Name Common Name Superseded NCA EPBC End. ABN 82 090 616 443. Most of which is from habitat loss due to coastal development and boat traffic - in some areas of southern Queensland waters, numbers have decreased by around 90 per cent in recent years. The Great Barrier Reef is a refuge for many species of conservation concern. Bottlenose Dolphin . The final decision should be made in 2015. The Great Barrier Reef, which extends for over 2,300 kilometers (1429 miles) along the northeastern coast of Australia, is home to over 9,000 known species.There are likely many more—new discoveries are frequently being made, including a new species of branching coral discovered in 2017. They also often become victims of bycatch, the accidental entanglement in fishing nets. Under the EPBC Act they are all listed as both threatened and migratory. Photograph by Mike Parry, Minden Pictures/National Geographic Sea Cow Baby Boom Is Good News for Great Barrier Reef Great Barrier Reef Foundation. Dugongs have become an important tourist attraction. Donations are tax-deductible as allowed by law. Found mostly in Australia, Dugong are more closely related to elephants than to whales and dolphins. These large creatures are found in warm water around coastlines, both north and south of the equator. Fully grown, they may be three metres long and weigh 400 kilograms. As Dugongs diets consist almost entirely of seagrass, they are referred to as ‘sea cows’. Next month, Australia’s Minister for the Environment, Heritage and Water, Mark Butler will decide whether to allow the expansion of a new port within the Great Barrier Reef World Heritage Area, home to the world’s largest living structure, which supports 6 species of marine turtle, 30 species of dolphins and whales, and is an important habitat for the endangered dugong. Large bays facing north on the Queensland coast provide significant habitats for dugong, with the southernmost of these being Hervey Bay and Moreton Bay. But here are three undoubtedly invasive species that have particularly threatened the balance of the Great Barrier Reef's natural ecosystem. Dugongs sing to each other all the time, using chirps, whistles, barks and other sounds that echo through the water. Of the six species of Sea Turtles in the Great Barrier Reef, all of them are endangered. World Wildlife Fund Inc. is a nonprofit, tax-exempt charitable organization (tax ID number 52-1693387) under Section 501(c)(3) of the Internal Revenue Code. ENDANGERED SPECIES Dugong. They are solitary creatures, though can be found in pairs. Australia's Great Barrier Reef is home to a tremendous array of endangered species, some found nowhere else in the world. 100,000 Dugongs live in northern Australia and the Torres Strait. Australia has the world's largest dugong population. These large creatures are found in warm water around coastlines, both north and south of the equator. Then, mostly you can find dugong in the Australia, and this is why The Great Barrier Reef is supporting the dugong habitat and become a protected area because this marine mammal is classified as endangered animal. These are air-breathing mammals that can hold their breath for about 6 minutes after which they must surface to take a fresh breath of air through their nostrils which are located on the top of their snouts. Species name has been superseded by a new species name. If there is not enough sea grass to eat then the dugong does not breed normally. To find nesting sites, they have to swim GREAT distances. Some endangered species that depend on the home of the Great Barrier Reef are the Dugong (Sea Cow) and the large Green Sea Turtle. Website by bigfish.tv. It contains the world’s largest collection of coral reefs, with 400 types of coral, 1,500 species of fish and 4,000 types of mollusc. The most common whales and dolphins are the Humpback Whale, the Dwarf-minke Whale and Bottlenose Dolphins. The status of the dugong in the southern Great Barrier Reef Marine Park: Year of publication: 1996: Publisher: Great Barrier Reef Marine Park Authority Townsville, Qld: Type of document: Report: Series/Report no. Several reef species, including dugongs and loggerhead and green sea turtles, have been listed under the U.S. These include the Green, Leatherback, Hawksbill, Loggerhead, Flatback and Olive Ridley turtles. They can live as long as seven decades. 6 Great Barrier Reef Marine Park Authority "Facing Extinction: Dugongs in the Southern Great Barrier Reef World Heritage Area" in Fragile, Handle with Care - Dugong Information Kit (2nd ed) Threatened Species Unit, Townsville, February 1998 at 1. Fishing practices, such as commercial netting, can also lead to accidental drownings. Humpback Whales. The Great Barrier Reef is home to more than 1,500 species of fish, 411 types of hard coral, one-third of the world’s soft corals, 134 species of sharks and rays, six of the world’s seven species of threatened marine turtles, and more than 30 species of marine mammals, including the vulnerable dugong. The Dugong is a giant gentle creature that swims along in the water at a very gentle pace and its main home in the Mission Beach region is around Hinchinbrook Island but Dugongs can be seen up and down the coastal areas of the Great Barrier Reef where there are no waves and the grasses are able to grow in shallower waters. Dugongs swim by moving their broad whale-like tail in an up and down motion, and by use of their two flippers. In Australia, dugong are protected under various pieces of legislation. 1250 24th Street, N.W. Affectionately dubbed the "sea cow," these creatures normally eat seagrass, which grows abundantly at the Great Barrier Reef. Protecting the Great Barrier Reef Dugong Essay 3750 Words | 15 Pages. The need for management of dugong, an endangered species … Endangered Dugong in the Great Barrier Reef The dugong, sometimes referred to as the elephant of the sea, is one of the most endangered animals in the Great Barrier Reef, Australia and the whole world. One main reason sea turtles are endangered is because their eggs are stolen. The least known about and the largest whale, the blue whale, is also endangered. Young Dugongs stay with their mothers for the first few months of life. In Australia, they are found across the tropical belt, feeding on shallow seagrasses (approximately 40kg per day). There are many endangered, or "at risk" species that inhabit the Great Barrier Reef. The species are bouncing back in their range in Australia. On the east coast of Queensland, we estimate that each year commercial gillnetting entangles around 50 of these majestic animals, so it's a significant threat to declining populations. Click on the images and they will take you to the page. The Great Barrier Reef consists of about 3,000 individual reefs of coral, and the biodiversity they contain is remarkable. The Dugong’s brain only weighs 300 grams of their 400kg! Great Barrier Reef. The biodiversity and the interconnectedness of species and habitats makes the Great Barrier Reef and the surrounding areas one of the richest and most complex natural systems on earth. Of the seven species of marine turtles in the world, six occur in Australian waters. In recent years, the state has been experiencing a mining boom, so shipping activity has increased exponentially. The Great Barrier Reef is located just off the coast of one of Australia's largest states - Queensland. 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