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Latitudinal variation of phytoplankton communities in the western Arctic Ocean

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Title
Latitudinal variation of phytoplankton communities in the western Arctic Ocean
Other Titles
서북극해에서 위도에 따른 식물플랑크톤 군집의 변화
Authors
Lee, Sang Heon
Hans-Uwe Dahms
Joo, Hyong-Min
Lee, Jin Hwan
Jung, Seung Won
Subject
Oceanography
Keywords
Abundance; Arctic; Biodiversity; Biovolume; Phytoplankton
Issue Date
2011
Publisher
Elsevier
Citation
Lee, Sang Heon, et al. 2011. "Latitudinal variation of phytoplankton communities in the western Arctic Ocean". DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 81-84(1): 3-17.
Abstract
Recent studies have shown that photosynthetic eukaryotes are an active and often dominant component of Arctic phytoplankton assemblages. In order to explore this notion at a large scale, samples were collected to investigate the community structure and biovolume of phytoplankton along a transect in the western Arctic Ocean. The transect included 37 stations at the surface and subsurface chlorophyll-a maximum (SCM) depths in the Bering Sea, Chukchi Sea, and Canadian Basin from July 19 to September 5, 2008. Phytoplankton (>2 μm) were identified and counted. A cluster analysis of abundance and biovolume data revealed different assemblages over the shelf, slope, and basin regions. Phytoplankton communities were composed of 71 taxa representing Dinophyceae, Cryptophyceae, Bacillariophyceae, Chrysophyceae, Dictyochophyceae, Prasinophyceae and Prymnesiophyceae. The most abundant species were of pico- to nano- size at the surface and SCM depths at most stations. Nano- and pico-sized phytoplankton appeared to be dominant in the Bering Sea, whereas diatoms and nano-sized plankton provided the majority of taxon diversity in the Bering Strait and in the Chukchi Sea. From the western Bering Sea to the Bering Strait, the abundance, biovolume, and species diversity of phytoplankton provided a marked latitudinal gradient towards the central Arctic. Although pico- and nano-sized phytoplankton contributy structure and biovolume of phytoplankton along a transect in the western Arctic Ocean. The transect included 37 stations at the surface and subsurface chlorophyll-a maximum (SCM) depths in the Bering Sea, Chukchi Sea, and Canadian Basin from July 19 to September 5, 2008. Phytoplankton (>2 μm) were identified and counted. A cluster analysis of abundance and biovolume data revealed different assemblages over the shelf, slope, and basin regions. Phytoplankton communities were composed of 71 taxa representing Dinophyceae, Cryptophyceae, Bac
URI
http://repository.kopri.re.kr/handle/201206/6045
DOI
http://dx.doi.org/10.1016/j.dsr2.2011.06.004
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