Population structure of antarctic krill (Euphausia superba Dana) in the waters north and west of Antarctic Peninsula

Wang Rong; Chen Shihua

doi:10.1007/BF02850443

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Population structure of antarctic krill (Euphausia superba Dana) in the waters north and west of Antarctic Peninsula

Updated：2023-05-16

- Population structure of antarctic krill (Euphausia superba Dana) in the waters north and west of Antarctic Peninsula
- Journal of Oceanology and Limnology Vol. 8, Issue 2, Pages: 101-108(1990)
- Affiliations：
  
  1. Institute of Oceanology
  2. Second Institute of Oceanography
- Author bio：
- Funds：
- DOI：10.1007/BF02850443
  CLC：
- Published：1990
- Accepted：
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Rong, W., Shihua, C. Population structure of antarctic krill (Euphausia superba Dana) in the waters north and west of Antarctic Peninsula., Chin. J. Ocean. Limnol. 8, 101–108 (1990). https://doi.org/10.1007/BF02850443
DOI：

Rong, W., Shihua, C. Population structure of antarctic krill (Euphausia superba Dana) in the waters north and west of Antarctic Peninsula., Chin. J. Ocean. Limnol. 8, 101–108 (1990). https://doi.org/10.1007/BF02850443 DOI：

摘要

Abstract

Antarctic krill (Euphasia superba Dana) is a key organism of the Antarctic marine ecosystem and a potential fishery resoure. Its ecology was the major biological project in the First Chinese Antarctic Expedition (1985). Acoustic observations and IKMT tows were madecin waters north and west of Antarctic Peninsula. Environmental factors were also observed. Analyses of the population structure

i.e. the sex percentage distribution and other data obtained show that among the 3

640 individuals of determinable sex

only 38.1% were males and that the larger the body length the smaller the percentage of males

for example

male percentage dropped to 8.3% for size group >55 mm. The population's relations to environmental factors are also discussed.

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Keywords

references

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