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Bottlenose dolphins are aquatic mammals in the genus Tursiops. They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. Molecular studies show the genus definitively contains two species: the common bottlenose dolphin and the Indo-Pacific bottlenose dolphin. Others, like the Burrunan dolphin, may be alternately considered their own species or be subspecies of T. aduncus. Bottlenose dolphins inhabit warm and temperate seas worldwide, being found everywhere except for the Arctic and Antarctic Circle regions. Their name derives from the Latin tursio (dolphin) and truncatus for their characteristic truncated teeth.
The Indo-Pacific bottlenose dolphin is a species of bottlenose dolphin. This dolphin grows to 2.6 m (8.5 ft) long, and weighs up to 230 kg (510 lb). It lives in the waters around India, northern Australia, South China, the Red Sea, and the eastern coast of Africa. Its back is dark grey and its belly is lighter grey or nearly white with grey spots.
The common bottlenose dolphin or Atlantic bottlenose dolphin is a wide-ranging marine mammal of the family Delphinidae. The common bottlenose dolphin is a very familiar dolphin due to the wide exposure it gets in captivity in marine parks and dolphinariums, and in movies and television programs. It is the largest species of the beaked dolphins. It inhabits temperate and tropical oceans throughout the world, and is absent only from polar waters. While formerly known simply as the bottlenose dolphin, this term is now applied to the genus Tursiops as a whole. As considerable genetic variation has been described within this species, even between neighboring populations, many experts think additional species may be recognized.
Nikumaroro, previously known as Kemins Island or Gardner Island, is a part of the Phoenix Islands, Kiribati, in the western Pacific Ocean. It is a remote, elongated, triangular coral atoll with profuse vegetation and a large central marine lagoon. Nikumaroro is about 7.5 km (4.7 mi) long by 2.5 km (1.6 mi) wide. The rim has two narrow entrances, both of which are blocked by a wide reef, which is dry at low tide. The ocean beyond the reef is very deep, and the only anchorage is at the island's west end, across the reef from the ruins of a mid-20th-century British colonial village, but this is safe only with the southeast trade winds. Landing has always been difficult and is most often done south of the anchorage. Although occupied at various times during the past, the island is uninhabited today.
Coralline algae are red algae in the order Corallinales. They are characterized by a thallus that is hard because of calcareous deposits contained within the cell walls. The colors of these algae are most typically pink, or some other shade of red, but some species can be purple, yellow, blue, white, or gray-green. Coralline algae play an important role in the ecology of coral reefs. Sea urchins, parrot fish, and limpets and chitons feed on coralline algae. In the temperate Mediterranean Sea, coralline algae are the main builders of a typical algal reef, the Coralligène ("coralligenous"). Many are typically encrusting and rock-like, found in marine waters all over the world. Only one species lives in freshwater. Unattached specimens may form relatively smooth compact balls to warty or fruticose thalli.
The National Marine Sanctuary of American Samoa is one of many federally-designated underwater areas protected by the National Oceanic and Atmospheric Adimistration's (NOAA) Office of National Marine Sanctuaries. This sanctuary is the largest and most remote in the National Marine Sanctuary system. Spanning 13,581 sq mi, it is home to the greatest biodiversity of aquatic species of all marine sanctuaries. Among them are expansive coral reefs, including some of the oldest Porites coral heads on earth, deep-water reefs, hydrothermal vent communities, and rare archeological resources. It was established in 1986, and then expanded and renamed in 2012.
Rawaki is one of the Phoenix Islands in the Republic of Kiribati, also known by its previous name of Phoenix Island. It is a small, uninhabited atoll, approximately 1.2 by 0.8 kilometres in size and 65 hectares in area, with a shallow, brackish lagoon that is not connected to the open sea. It is located at 3.721°S 170.712°W.
Marovo Lagoon is the largest saltwater lagoon in the World. Located in the New Georgia Islands, surrounded by Vangunu Island and Nggatokae Island, both extinct volcanic islands, at 8.48°S 158.07°E. It is part of the Solomon Islands. It encompasses 700 km2 (270 sq mi) and is protected by a double barrier reef system. Huvadhu Atoll is the largest saltwater lagoon at 3,152 km2 (1,217 sq mi). Marovo Lagoon is identified as an area with high biodiversity and conservation values.
The Hans Lollik Islands are two privately-owned islands in the U.S. Virgin Islands. Great Hans Lollik Island ("GHL") is found approximately 8,000 feet beyond the central northshore of St. Thomas, U.S. Virgin Islands, separated from St. Thomas by the Leeward Passage. Little Hans Lollik and Pelican Cay lie to the north of Hans Lollik on the same shelf. The major part of the benthic zone around Hans Lollik is rocky and supports a dense diverse coral habitat.
Kadmat Island, also known as Cardamom Island, is a coral island belonging to the Amindivi subgroup of islands of the Lakshadweep archipelago in India. Measuring 9.3 kilometres (5.8 mi) in length, the island has a lagoon with a width of 1.5 kilometres (0.93 mi) covering an area of 25 square kilometres (9.7 sq mi). The ecological feature of the island is of coral reef with seagrass, and marine turtles which nestle here. The Ministry of Environment and Forests (India) has notified the island as a marine protected area for ensuring conservation of the island's animal, plant, or other type of organism, and other resources.
The Phoenix Islands Protected Area (PIPA) is located in the Republic of Kiribati, an ocean nation in the central Pacific approximately midway between Australia and Hawaii. PIPA constitutes 11.34% of Kiribati's exclusive economic zone (EEZ), and with a size of 408,250 km2 (157,630 sq mi), it is one of the largest marine protected areas (MPA) and one of the largest protected areas of any type on Earth. The PIPA was also designated as the world's largest and deepest UNESCO World Heritage Site in 2010.
The Burrunan dolphin is a subspecies or potential species of bottlenose dolphin found in parts of Victoria, Australia first described in 2011. Its exact taxonomy is debated: numerous studies support it as being a separate species within the genus Tursiops and occupying a basal position within the genus, but other phylogenetic studies using different methodologies indicate that it is a subspecies of the Indo-Pacific bottlenose dolphin. The Burrunan dolphin is not currently recognized as a species by the Society for Marine Mammalogy or American Society of Mammalogists, which cites problematic methodology in the original study proposing species status and recommends further research.
Dolphin are hunted in Malaita in the Solomon Islands in the South Pacific, mainly for their meat and teeth, and also sometimes for live capture for dolphinariums. Dolphin drive hunting is practised by coastal communities around the world; the animals are herded together with boats and then into a bay or onto a beach. A large-scale example is the Taiji dolphin drive hunt, made famous by the Oscar-winning documentary film The Cove. The hunt on South Malaita Island is smaller in scale. After capture, the meat is shared equally between households. Dolphin teeth are also used in jewelry and as currency on the island.
Delagoa is a marine ecoregion along the eastern coast of Africa. It extends along the coast of Mozambique and South Africa from the Bazaruto Archipelago to Lake St. Lucia in South Africa in South Africa's Kwazulu-Natal province. It adjoins the Bight of Sofala/Swamp Coast ecoregion to the north, and the Natal ecoregion to the south. It has Africa's southernmost tropical coral reefs and mangrove forests. It is the southernmost Indo-Pacific ecoregion, marking the transition from the tropical Indo-Pacific to Temperate Southern Africa.
Clathria aceratoobtusa is a species of sponge in the family Microcionidae. The genus Clathria is subdivided into a number of subgenera, and it is in the subgenus Microciona. It is native to shallow water habitats in the Indo-Pacific region. The type locality is the Gulf of Thailand.
Terpios hoshinota is a species of sea sponge belonging to the family Suberitidae. It is found on rocky shores in the Indo-Pacific region. This sponge forms blackish sheets which overgrow and kill corals, and is the causal agent for the so-called "black disease" of corals. Since being discovered in Guam in 1973, this sponge has been spreading to other areas of the Indo-Pacific region and threatening coral reefs from the Maldives to the South China Sea and eastern Australia.
The coral reefs of Tuvalu consist of three reef islands and six atolls, containing approximately 710 km2 (270 sq mi) of reef platforms. The islands of the Tuvalu archipelago are spread out between the latitude of 5° to 10° south and longitude of 176° to 180°, west of the International Date Line. The islands of Tuvalu are volcanic in origin. On the atolls, an annular reef rim surrounds the lagoon, and may include natural reef channels. The reef islands have a different structure to the atolls, and are described as reef platforms as they are smaller tabular reef platforms that do not have a salt-water lagoon, although they may have a completely closed rim of dry land, with the remnants of a lagoon that has no direct connection to the open sea or that may be drying up.
The Coral reefs of Kiribati consists of 32 atolls and one raised coral island, Banaba, which is an isolated island between Nauru and the Gilbert Islands. The islands of Kiribati are dispersed over 3.5 million km2 (1.4 million sq mi) of the Pacific Ocean and straddle the equator and the 180th meridian, extending into the eastern and western hemispheres, as well as the northern and southern hemispheres. 21 of the 33 islands are inhabited. The groups of islands of Kiribati are:
The Coral reefs of the Solomon Islands consists of six major islands and over 986 smaller islands, in Oceania, to the east of Papua New Guinea and northwest of Vanuatu. The Solomon Islands lie between latitudes 5° and 13°S, and longitudes 155° and 169°E. The distance between the westernmost and easternmost islands is about 1,500 km (930 mi). The Santa Cruz Islands are situated north of Vanuatu and are especially isolated at more than 200 km (120 mi) from the other islands. The Solomon Islands has the 22nd largest Exclusive Economic Zone of 1,589,477 km2 (613,701 sq mi) of the Pacific Ocean.
References
- 1 2 "Sharing stories of the sea: from Torres Strait to the Solomon Islands". Indigenous.gov.au. Commonwealth of Australia. Archived from the original on 27 January 2014. Retrieved 19 April 2013.
- ↑ "Tursiops aduncus, Ehrenberg, 1833: Solomon Islands, Delphinidae, Indian Ocean Bottlenose Dolphin, Indo-Pacific Bottlenose Dolphin". Review of Significant Trade: Species selected by the CITES Animals Committee following CoP14 and retained in the review following AC25 (PDF). CITES Project No. S-380: Prepared for the CITES Secretariat by United Nations Environment Programme World Conservation Monitoring Centre. 2012. pp. 2–10. Retrieved 20 May 2014.
- ↑ Ceccarelli DM, Wini-Simeon, Sullivan, Wendt, Vave-Karamui, Masu, Nicolay-Grosse Hokamp, Davey, Fernandes (2018). Biophysically Special, Unique Marine Areas of the Solomon Islands (PDF) (Report). MACBIO, (GIZ, IUCN, SPREP), Suva. ISBN 978-0-9975451-6-6 . Retrieved 31 March 2021.
{{cite report}}: CS1 maint: multiple names: authors list (link) - 1 2 3 4 Carlton, R., Dempsey, A., Lubarsky, K., Akao, I., Faisal, M., and Purkis, S. (2020). Global Reef Expedition: Solomon Islands (Final Report) (Report). The Khaled bin Sultan Living Oceans Foundation. ISBN 978-0-9975451-6-6 . Retrieved 31 March 2021.
{{cite report}}: CS1 maint: multiple names: authors list (link)
Coordinates: 7°27′S158°00′E / 7.450°S 158.000°E
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