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Distributions of Phytoplankton Communities at different regions in the Arctic Ocean

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Title
Distributions of Phytoplankton Communities at different regions in the Arctic Ocean
Other Titles
북극해 지역별 식물플랑크톤 군집의 분포
Authors
권오윤
Chung, Kyung Ho
신유나
홍성수
Kang, Sung-Ho
Lee, Sang H.
Joo, Hyong-Min
이진환
Keywords
abundance; phytoplankton; species composition; species diversity
Issue Date
2009
Citation
권오윤, et al. 2009. Distributions of Phytoplankton Communities at different regions in the Arctic Ocean. Korea Polar Research Institute. Korea Polar Research Institute. 2009.06.10~.
Abstract
In order to investigate the structure of phytoplankton community at surface in the Arctic Ocean, this study was carried out at various study areas on board ice-breaker and ice-strengthened vessels in the Barents Sea, Kara Sea, Okhotsk Sea, Bering Sea, Chukchi Sea and Canadian Basin from 2003 to 2008. We collected samples at Barents Sea and Kara Sea by Russian Research vessel ‘Ivan Petrov’ from 2003 to 2005. The data, from the Okhotsk Sea were collected on board the Russian academic research vessel ‘Lavrentiev’ and in the Bering Sea, Chukchi Sea and Canadian Basin, more data from 2006 to 2008 were obtained on the Japanese training ship ‘Oshoro Maru’ and Chinese ice breaker ‘Xuelong’. Phytoplankton communities were composed of 53 and 23 taxa in the Barents Sea in 2003 and 2004, respectively. 24 taxa were found in the Kara Sea in 2005 and 25 taxa were appeared in the Okhotsk Sea as a subarctic ocean in 2005. Bering Sea (2006, 2007, and 2008), Chukchi Sea (2007 and 2008) and Canadian Basin (2008) had 43, 56, 57, 57, 42 and 26 taxa, respectively. There were high species diversity and low abundance of phytoplankton in the Barents Sea, Bering Sea and Chukchi Sea, whereas in the Kara Sea and Okhotsk Sea low species diversity and high abundance were distinct. The most abundant species were nano-pico size phytoplankton at most of the study areas, but the second abundant species were variable such as Dinobryon belgica in the Barents and Kara seas whereas Thalassiosira sp. in the Okhotsk Sea. Overall, the small size phytoplankton under 20㎛ had higher species diversity and abundance in the Arctic Ocean.
URI
http://repository.kopri.re.kr/handle/201206/7915
Conference Name
Korea Polar Research Institute
Conference Place
Korea Polar Research Institute
Conference Date
2009.06.10~
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