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Aulographis japonica sp. nov. (Phaeodaria, Aulacanthida, Aulacanthidae), an abundant zooplankton in the deep sea of the Sea of Japan

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タイトル: Aulographis japonica sp. nov. (Phaeodaria, Aulacanthida, Aulacanthidae), an abundant zooplankton in the deep sea of the Sea of Japan
著者: Nakamura, Yasuhide 著作を一覧する
Imai, Ichiro 著作を一覧する
Yamaguchi, Atsushi 著作を一覧する
Tuji, Akihiro 著作を一覧する
Suzuki, Noritoshi 著作を一覧する
キーワード: Aulographis japonica
Cercozoa
New species
Phaeodaria
The Sea of Japan
発行日: 2013年 8月
出版者: Plankton Society of Japan : Japanese Association of Benthology
誌名: Plankton & benthos research : a joint journal of the Plankton Society of Japan & the Japanese Association of Benthology
巻: 8
号: 3
開始ページ: 107
終了ページ: 115
抄録: Zooplankton samples from the deep water of the Sea of Japan often contain yellowish semitransparent spheres (1.0–1.5 mm in diameter). We recognized these spheres as a single phaeodarian species (Cercozoa, Rhizaria) and described them as Aulographis japonica sp. nov. (family Aulacanthidae) in this paper. This species has a high abundance in the Japan Sea Proper Water (JSPW) and occasionally higher biomass than that of copepods. Molecular analysis based on 18S SSU rDNA revealed that Aulacantha scolymantha, which belongs to the same family as A. japonica, is closer to Aulosphaera trigonopa and Protocystis spp., which belong to different orders, than to the present species. The distribution of A. japonica is apparently restricted to low temperature water. Its biomass was the highest in the uppermost layer of JSPW, and this phaeodarian species was the second most important zooplankton below 250 m depth in terms of biomass among the total zooplankton groups. This is probably due to its generalist type of feeding. Considering its large biomass, A. japonica possibly plays an important role in matter cycles within the Sea of Japan.
Rights: © 2013 The Plankton Society of Japan
Relation (URI): http://www.plankton.jp/PBR/index.html
資料タイプ: article
URI: http://hdl.handle.net/2115/54054
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 山口 篤

 

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