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Yearly comparison of the planktonic chaetognath community in the Chukchi Sea in the summers of 1991 and 2007
https://nipr.repo.nii.ac.jp/records/15606
https://nipr.repo.nii.ac.jp/records/15606bfd84841-bb6c-44d4-813b-13ecb459cef9
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-03-31 | |||||
タイトル | ||||||
タイトル | Yearly comparison of the planktonic chaetognath community in the Chukchi Sea in the summers of 1991 and 2007 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Yearly comparison of the planktonic chaetognath community in the Chukchi Sea in the summers of 1991 and 2007 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Chaetognaths | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Parasagitta elegans | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Eukrohnia hamata | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Chukchi sea | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Amano, Karen
× Amano, Karen× Abe, Yoshiyuki× Matsuno, Kohei× Yamaguchi, Atsushi |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In oceans worldwide, chaetognaths are the second most dominant zooplankton taxa and have vital transfer roles between herbivores and higher trophic organisms. Despite the chaetognaths’ importance, little is known regarding their ecology in the Chukchi Sea, where recent ice reduction is prominent in the Arctic Ocean. We made comparisons of the chaetognath abundance, biomass, community structure (total length and gonadal maturation) and feeding impacts between the years 1991 and 2007. Within the chaetognath community, Parasagitta elegans was the abundant species, and Eukrohnia hamata only occurred in the southern region in 2007. Yearly differences were detected in chaetognath abundance, biomass, total length and gonadal maturation. All of these parameters were greater and more advanced in 1991 than in 2007. The most prominent yearly differences were in the horizontal distributions of chaetognaths, primarily in the northern region in 1991 and the southern region in 2007. The southern chaetognath populations observed in 2007 were considered to be transported by the Pacific water through the Bering Strait. Because of the differences in the original populations between the Chukchi Sea in 1991 and the Bering Sea in 2007, differences in these two years may be due to regional differences. As the Arctic warms, the horizontal distribution pattern, similar with 2007 in this study, will be more pronounced. | |||||
書誌情報 |
en : Polar Science 巻 19, p. 112-119, 発行日 2019-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polar.2018.11.011 | |||||
関連名称 | 10.1016/j.polar.2018.11.011 |