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Heard Island |
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Heard Island, barren, uninhabited subantarctic island, 142 sq mi (368 sq km), S Indian Ocean, located some 300 mi (483 km) SE of the Kerguelen Islands. Mountainous and largely covered by snow and glaciers, it is volcanic in origin; Mawson Peak is an active volcano. The island is a nature preserve and home to a large population of seals and penguins and other birds. It was discovered by U.S. Capt. John J. Heard in 1853 and and has been administered by Australia since 1947. Together with the smaller nearby McDonald Islands and Shag Island it forms the Territory of Heard Island and the McDonald Islands, 159 sq mi (412 sq km). |
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? Mentioned in | ? References in periodicals archive | |
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| Bouvet Island, for example, lies 4,430 km from Heard Island, but they share 30 percent of their moss species, 29 percent of their liverworts, and 32 percent of their lichens. The group successfully tested this idea from Heard Island off Antarctica in 1991 (SN: 1/26/91, p. While many scientists have experimented with sending sounds through the ocean, Munk and his colleagues performed the most ambitious test of this concept two years ago, when they emitted a low-frequency hum from Heard Island, in the southern Indian Ocean (SN: 1/26/91, p. |
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Heard Island
