Use of oxygen microsensors to measure the respiration rates of five dominant copepods and Euphausia crystallorophias furcilia from the Amundsen Sea, West Antarctica
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Title
- Use of oxygen microsensors to measure the respiration rates of five dominant copepods and Euphausia crystallorophias furcilia from the Amundsen Sea, West Antarctica
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Author(s)
- Lee, Doo Byoul; Choi, Keun Hyung; Lee, Jae Seong; Lee, SangHoon; Park, Chul; Shin, Hyoung Chul
- KIOST Author(s)
- Lee, Jae Seong(이재성)
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Alternative Author(s)
- 이두별; 최근형; 이재성; 신형철
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Publication Year
- 2014
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Abstract
- The individual respiration rates of five biomass-dominant copepods (Calanoides acutus, Rhincalanus gigas, Metridia gerlachei, Calanus propinquus and Paraeuchaeta antarctica), and Euphausia crystallorophias furcilia, from the Amundsen Sea, West Antarctica, were determined using a Clark-type oxygen microsensor affording high temporal resolution. Measurements were conducted on specimens collected from waters exhibiting a very narrow temperature range (-1.68 to -1.32 degrees C), at sites located between 71 and 75 degrees S, during the summer (31 January-20 March 2012). A short incubation time (3 h) was sufficient to reveal significant declines in dissolved oxygen concentrations by 12-45%. The respiration rates of the copepods and E. crystallorophias furcilia were within the ranges of previously reported values. The respiration rates of relatively large-bodied species were rather low, whereas the smaller species generally exhibited higher respiration rates. The data show that this simple microsensor technique is a useful high-resolution non-invasive means of investigating the metabolism of zooplankton in the Southern Ocean. The method could be used in other situations when such information is required.
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ISSN
- 1023-6244
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/3023
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DOI
- 10.1080/10236244.2014.952988
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Bibliographic Citation
- MARINE AND FRESHWATER BEHAVIOUR AND PHYSIOLOGY, v.47, no.6, pp.361 - 371, 2014
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Publisher
- TAYLOR & FRANCIS LTD
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Subject
- METABOLIC-ACTIVITY; BODY-COMPOSITION; SOUTHERN-OCEAN; EGG-PRODUCTION; FECAL PELLETS; WEDDELL SEA; LIFE-CYCLE; ZOOPLANKTON; KRILL; TEMPERATURE
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Keywords
- respiration rate; oxygen microsensor; copepods; Euphausia crystallorophias; Amundsen Sea
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Type
- Article
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Language
- English
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Document Type
- Article
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