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[[File:Paulsiple1932.jpg|300px|left]]
[[File:Antarctic krill.jpg |250px|left]]
'''[[Paul A. Siple|Paul Allman Siple]]''' was an American [[Antarctica|Antarctic]] explorer and geographer who took part in six Antarctic expeditions, including the two [[Richard Byrd|Byrd]] expeditions of 1928–1930 and 1933–1935, representing the Boy Scouts of America as an Eagle Scout. In addition to being an Eagle Scout, Siple was also a Sea Scout. His first and third books covered these adventures. With Charles F. Passel he developed the wind chill factor, and Siple coined the term.
'''[[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.


Siple was involved with the United States Antarctic Service Expedition of 1939–1941, which would have been the third Byrd expedition. He served during Operation Highjump, (also known as the [[United States Navy]] Antarctic Developments Program 1946–1947), developed cold weather gear for the Korean War, and Operation Deep Freeze I in 1955–1956. He was the inaugural scientific leader at the U.S. Amundsen–Scott [[South Pole]] Station 1956–1957, during the International Geophysical Year. This activity is covered in his fourth book, ''90 Degrees South''.
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.


'''([[Paul A. Siple|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.

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