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[[File:Douglas Mawson 1914a.jpg|300px|left]]
[[File:Antarctic krill.jpg |250px|left]]
Sir '''[[Douglas Mawson]]''' was an Australian geologist, [[Antarctic]] explorer, and academic. Along with [[Roald Amundsen]], [[Robert Falcon Scott]], and Sir [[Ernest Shackleton]], he was a key expedition leader during the Heroic Age of Antarctic Exploration. The Mawson Station in the [[Australian Antarctic Territory]] is named in his honor.
'''[[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.


Mawson joined [[Ernest Shackleton]]'s Nimrod Expedition (1907–09) to the [[Antarctic]], originally intending to stay for the duration of the ship's presence in the first summer. Instead both he and his mentor, Edgeworth David, stayed an extra year. In doing so they became, in the company of Alistair Mackay, the first to climb the summit of [[Mount Erebus]] and to trek to the [[South Magnetic Pole]], which at that time was over land.
It grows to a length of 6 cm, weighs up to 2 grams, and can live for up to six years. It is a key species in the Antarctic ecosystem and is, in terms of biomass, probably the most abundant animal species on the planet. 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.


'''([[Douglas Mawson|Full Article...]])'''
'''([[Antarctic krill|Full Article...]])'''

Latest revision as of 22:23, 1 January 2026

Antarctic krill.jpg

Antarctic krill is a species of krill found in the 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.

It grows to a length of 6 cm, weighs up to 2 grams, and can live for up to six years. It is a key species in the Antarctic ecosystem and is, in terms of biomass, probably the most abundant animal species on the planet. In 2019, the Antarctic krill was featured on a stamp of Westarctica to celebrate its role as a vital part of the Antarctic ecosystem.

(Full Article...)