Ukrainian Antarctic journal

No 1 (2021): Ukrainian Antarctic Journal
Articles

Population features of Boeckella poppei in Lake Wujka, King George Island

V. Trokhymets
Taras Shevchenko National University of Kyiv, Kyiv, 01601,Ukraine
V. Gorobchyshyn
Taras Shevchenko National University of Kyiv, Kyiv, 01601,Ukraine; State Institution Institute for Evolutionary Ecology of the National Academy of Sciences of Ukraine, Kyiv, 03143,Ukraine
I. Kozeretska
State Institution National Antarctic Scientific Center, Ministry of Education and Science of Ukraine, Kyiv, 01601, Ukraine
Published July 28, 2021
Keywords
  • population density,
  • sex structure,
  • Calanoida,
  • crustacean,
  • Antarctica

Abstract

The maritime Antarctic is one of the most interesting regions on planet where climate change can be observed to impact all components of its poor flora. Boeckella poppei is common in the maritime and continental Antarctic species of the copepod. The aim of the study was to check the local trends in the copepod's population density over summer. The samples were collected 23.12.05, 03.01.06 and 10.01.06 at the King George Island from the lake near the Polish Antarctic Station. The population density varied with strongly fluctuating ratios of different juvenile and generative developmental stages. We also analyzed the regularities reported by other authors. The sex structure of the population did not change during the study period with females much more numerous than males. The article discusses possible causes of this phenomenon.

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