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[[File:Antarctic krill.jpg|300px|left]]
[[File:Ernest Shackleton before 1909.jpg|250px|left]]
'''[[Antarctic krill]]''' is a species of [[krill]] found in the [[Antarctica|Antarctic]] waters of the [[Southern Ocean]]. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 individual animals per cubic meter. It feeds directly on minute phytoplankton, thereby using the primary production energy that the phytoplankton originally derived from the sun in order to sustain their open ocean life cycle.
'''[[Ernest Shackleton]]''' was a polar explorer who led three British expeditions to the [[Antarctica|Antarctic]], and one of the principal figures of the period known as the Heroic Age of Antarctic Exploration.


It is a key species in the Antarctic ecosystem and is, in terms of biomass, probably the most abundant animal species on the planet (approximately 500 million tonnes, corresponding to 300 to 400 trillion individuals). In 2019, the Antarctic krill was featured on a [[Stamps of Westarctica|stamp of Westarctica]] to celebrate its role as a vital part of the Antarctic ecosystem.
After the race to the [[South Pole]] ended in December 1911 with [[Roald Amundsen]]'s conquest, Shackleton turned his attention to the crossing of [[Antarctica]] from sea to sea, via the pole. To this end he made preparations for what became the Imperial Trans-Antarctic Expedition, 1914–17. Disaster struck this expedition when its ship, ''[[Endurance]]'', became trapped in [[pack ice]] and was slowly crushed before the shore parties could be landed. The crew escaped by camping on the sea ice until it disintegrated, then by launching the lifeboats to reach Elephant Island and ultimately the inhabited island of South Georgia, a stormy ocean voyage of 720 nautical miles and Shackleton's most famous exploit.


'''([[Antarctic krill|Full Article...]])'''
'''([[Ernest Shackleton|Full Article...]])'''

Latest revision as of 02:55, 15 April 2024

Ernest Shackleton before 1909.jpg

Ernest Shackleton was a polar explorer who led three British expeditions to the Antarctic, and one of the principal figures of the period known as the Heroic Age of Antarctic Exploration.

After the race to the South Pole ended in December 1911 with Roald Amundsen's conquest, Shackleton turned his attention to the crossing of Antarctica from sea to sea, via the pole. To this end he made preparations for what became the Imperial Trans-Antarctic Expedition, 1914–17. Disaster struck this expedition when its ship, Endurance, became trapped in pack ice and was slowly crushed before the shore parties could be landed. The crew escaped by camping on the sea ice until it disintegrated, then by launching the lifeboats to reach Elephant Island and ultimately the inhabited island of South Georgia, a stormy ocean voyage of 720 nautical miles and Shackleton's most famous exploit.

(Full Article...)