Heard and McDonald Islands robopac battery

赫德岛和麦克唐纳群岛位于南大洋，距南极洲约1700公里，离佩思(Perth)西南部约4100公里。作为亚南极的活火山群岛，这两个岛屿打开了“地球心底之窗”，为人类提供了观察正在进行的地貌. . The islands are part of the that includes several islands. In this cold climate, plant life is mainly limited to grasses, lichens, and . Low plant diversity reflects the islands' isolation, small size, severe climate, the short, cool growing season and, for Heard Island, substantial permanent ice cover. The main environmental deter. . 赫德岛和麦克唐纳群岛（英语：Heard Island and McDonald Islands，：HIMI），无人居住的荒岛，1947年起纳入，1997年获选为（）。赫德岛以南约1600公里达边沿；除去南极洲和小于1000平公方公里的岛屿不算，赫德岛方圆3700公里内都是海洋，不见。赫德岛80%的陆地都为冰川覆盖，岛上拥有比较稀少. [pdf]

FAQS about Heard and McDonald Islands robopac battery

What is Heard Island & McDonald Islands?

antarctic Heard Island - 80% ice-covered, bleak and mountainous, dominated by a large massif (Big Ben) and an active volcano (Mawson Peak); McDonald Islands - small and rocky fish Mawson Peak, an active volcano, is on Heard Island

Does Heard Island have a harbour?

Heard Island and the McDonald Islands have no ports or harbours; ships must anchor offshore. The coastline is 101.9 km (63.3 mi) in extent, and a 12 nmi (22 km) territorial sea and 200 nmi (370 km) exclusive fishing zone are claimed. [ 2 ]

How big is McDonald Island compared to Heard Island?

The islands are small and rocky. In 1980, they consisted of McDonald Island (186 metres (610 ft) high), Flat Island (55 metres (180 ft) high) and Meyer Rock (170 metres (560 ft) high). They totalled approximately 2.5 square kilometres (1.0 sq mi) in area. Like Heard Island, they were surface exposures of the Kerguelen Plateau.

Who discovered Heard Island?

American sailor John HEARD discovered Heard Island in 1853 while fellow American William MCDONALD discovered the McDonald Islands the following year. Starting in 1855, sealers lived on the islands and harvested elephant seal oil; by the time the practice was ended in 1877, most of the islands’ seals were killed.

Are McDonald Islands ice free?

The McDonald Islands, of volcanic origin, are ice free. They are located 44 kilometres (27 mi) to the west of Heard Island at 53°02′20″S 72°36′04″E. The islands are small and rocky. In 1980, they consisted of McDonald Island (186 metres (610 ft) high), Flat Island (55 metres (180 ft) high) and Meyer Rock (170 metres (560 ft) high).

Is Heard Island a subantarctic island?

The fauna of the freshwater pools, lakes, streams and mires found in the coastal areas of Heard Island are broadly similar to those on other subantarctic islands of the southern Indian Ocean. Many species reported from Heard Island are found elsewhere.