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Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences >
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Seasonal changes in mesozooplankton swimmers collected by sediment trap moored at a single station on the Northwind Abyssal Plain in the western Arctic Ocean
| Title: | Seasonal changes in mesozooplankton swimmers collected by sediment trap moored at a single station on the Northwind Abyssal Plain in the western Arctic Ocean |
| Authors: | Matsuno, Kohei Browse this author →KAKEN DB | | Yamaguchi, Atsushi Browse this author →KAKEN DB | | Fujiwara, Amane Browse this author →KAKEN DB | | Onodera, Jonaotaro Browse this author →KAKEN DB | | Watanabe, E. Browse this author | | Imai, Ichiro Browse this author →KAKEN DB | | Chiba, Sanae Browse this author →KAKEN DB | | Harada, Naomi Browse this author →KAKEN DB | | Kikuchi, Takashi Browse this author →KAKEN DB |
| Keywords: | copepods | | life cycle | | Pacific water | | sea ice | | sediment trap |
| Issue Date: | Mar-2014 |
| Publisher: | Oxford Journals |
| Journal Title: | Journal of Plankton Research |
| Volume: | 36 |
| Issue: | 2 |
| Start Page: | 490 |
| End Page: | 502 |
| Publisher DOI: | 10.1093/plankt/fbt092 |
| Abstract: | To examine seasonal changes in the mesozooplankton community, analyses were made on the swimmer samples (>1 mm) collected by a sediment trap mooring at 184 m depth on the Northwind Abyssal Plain in the western Arctic Ocean during October 2010–September 2011. The zooplankton swimmer flux ranged from 5 to 44 ind. m−2 day−1 and was greater during July to October; copepods were the dominant taxon. Based on the zooplankton swimmer flux, cluster analysis classified samples into three groups (A, B-1 and B-2). The occurrence of each group showed clear seasonality; group A was observed during July to October, group B-1 was seen in November to January and group B-2 during March to June. The seasonal variability in population structures of four dominant copepod swimmers was clearly different between the species. Most Calanus hyperboreus were copepodid stage 6 female (C6F) throughout the year. For Metridia longa and Paraeuchaeta glacialis, C6Fs dominated during January to May, and early copepodid stages increased during June to October. Heterorhabdus norvegicus was dominated by stage C5 during November to February, and C6F/M during March to May. Since Pacific copepods (Neocalanus cristatus) occurred in significant number during August–September, possible causes are discussed. |
| Rights: | This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Journal of Plankton Research following peer review. The definitive publisher-authenticated version J. Plankton Res. (March/April 2014) 36 (2): 490-502. is available online at: http://plankt.oxfordjournals.org/content/36/2/490.full |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/57993 |
| Appears in Collections: | 水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 山口 篤
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