Heard Island and McDonald Islands
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The islands are part of the Southern Indian Ocean Islands tundra ecoregion that includes several subantarctic islands. In this cold climate, plant life is mainly limited to grasses, lichens, and mosses. 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
赫德岛和麦克唐纳群岛（英语：Heard Island and McDonald Islands,简称：HIMI）,印度洋无人居住的荒岛,1947年起纳入澳大利亚外岛领地,1997年获选为世界自然遗产（亚洲、大洋洲地区）。赫德岛以南约1600公里达南极洲边沿；除去南极洲和面积小于1000平公方公里的岛屿不算,赫德岛方圆3700公里内都是海洋,不见陆地。赫德岛80%的陆地都为冰川覆盖,岛上拥有比较稀少
PROTECTING A PENGUIN PARADISE: HEARD ISLAND
In the heart of the Southern Ocean lies a haven for wildlife: Heard Island and McDonald Islands (known as HIMI). HIMI are a subantarctic island group and Australian external territory located in the Southern Ocean,
赫德岛和麦克唐纳群岛
赫德岛和麦克唐纳群岛（Heard Island and McDonald Islands、HIMI）,南冰洋无人居住的荒岛,以南约1600公里达南极洲边沿。 1947年起纳入澳大利亚海外领地。 赫德岛和麦克唐纳群
Human activities – Heard and McDonald Islands
Power is supplied by small diesel generators, solar cells and wind generators. Wastes are stored for return to Australia, incinerated (where combustible and non-toxic) or, in the case of human wastes and washing water, disposed of
Heard and McDonald Islands
Location and Values: The Heard and McDonald Islands are remote sub-Antarctic volcanic islands located in the far south of the Indian Ocean, about 1,600 km from Antarctica and half-way between Australia and South Africa.They lie a little to
Everything you need to know about Australia''s Heard and McDonald Islands
Big Ben has erupted several times over the past two decades. McDonald Island lies 43.5 kilometres due west of Heard Island, and is the major island in the McDonald Islands
Heard & McDonald Islands, Australia | Smithsonian Ocean
The Heard & McDonald Islands site in Australia was inscribed on the World Heritage List in 1997. As the only volcanically active sub-Antarctic islands, Heard and McDonald provide the
6 FAQs about [Heard and McDonald Islands tritium power solutions]
Why are Heard Island and McDonald Islands isolated?
However, the site’s isolation assists in reducing anthropogenic impacts upon the site’s values. Heard Island and McDonald Islands are located in the Southern Ocean, approximately 1,700 km from the Antarctic continent and 4,100 km south-west of Perth.
Where are the Heard and McDonald Islands located?
The Heard and McDonald Islands are remote subantarctic volcanic features located in the Southern Ocean, halfway between Australia and South Africa. They are approximately 1700 km from the Antarctic continent and 4000 km southwest of mainland Australia (Australian Government 2016 ). Heard Island is 43 km long and 21 km wide.
Is there a threat to Heard Island and the McDonald Islands?
Ongoing and accelerating climate change poses an increasing risk of fundamental alterations in biodiversity. Geological processes (primarily volcanism and glacial retreat) continue undisturbed. The overall assessment is that there is a low threat to the World Heritage values of Heard Island and the McDonald Islands if visitation remains low.
How big is Heard Island & McDonald Islands?
The group's overall land area is 372 km 2 (144 sq mi) and it has 101.9 km (63 mi) of coastline. Discovered in the mid-19th century, the islands lie on the Kerguelen Plateau in the Indian Ocean and have been an Australian territory since 1947. Heard Island and McDonald Islands contain Australia's only two active volcanoes.
What's happening on Heard Island & McDonald Islands?
Landing stores, Atlas Cove, Heard Island with Rogers Head in background Photo: Alan Campbell-Drury Due to the extreme isolation of Heard Island and McDonald Islands (HIMI), together with the persistently severe weather and sea conditions, human activities in the region have been, and remain, limited.
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 ]