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The Kerguelen 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, mosses and lichens, although the islands are also known for the indigenous edible Kerguelen cabbage.
Simplified geological map of the Kerguelen Islands Mont Ross. The Kerguelen Islands form an emerged part of the submerged Kerguelen Plateau, which has a total area nearing 949,000 km 2 (366,000 sq mi). [22] The plateau was built by volcanic eruptions associated with the Kerguelen hotspot, and now lies on the Antarctic Plate. [23]
These rocky islands support a variety of plant life, such as tussock grasses, that has adapted to the snowy and icy conditions.There are a number of endemic plant species including Poa cookii grass and the Kerguelen cabbage (Pringlea antiscorbutica), historically a source of vitamin C for sailors, is found on all the islands, not only the Kerguelens.
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Les Îles Leygues or the Leygues Islands, occasionally called « les Îles Swain », are a group of small islands and islets that are part of the subantarctic Kerguelen archipelago, a French territory in the southern Indian Ocean. They were named after Georges Leygues (1857-1933), a French politician and Minister of Marine.
Kerguelen Islands (Archipel des Kerguelen): A volcanic island group in the southern Indian Ocean, southeast of Africa. Saint Paul and Amsterdam Islands (Îles Saint Paul et Amsterdam): A group of islands to the north of the Kerguelen Islands. Scattered Islands (Îles Éparses): A dispersed group of islands around the coast of Madagascar.
Geography of the Kerguelen Islands — a volcanic subantarctic southern archipelago of the Indian Ocean, in the French Southern and Antarctic Lands of Overseas France.
Bathymetry of the Kerguelen Plateau Location of the plateau – the white spot is Kerguelen Island. The Kerguelen Plateau (/ ˈ k ɜːr ɡ əl ən /, / k ər ˈ ɡ eɪ l ən /), [1] also known as the Kerguelen–Heard Plateau, [2] is an oceanic plateau and large igneous province (LIP) located on the Antarctic Plate, in the southern Indian Ocean. [3]