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Penguin response to the Eocene climate and ecosystem change in the northern Antarctic Peninsula region
https://nipr.repo.nii.ac.jp/records/10167
https://nipr.repo.nii.ac.jp/records/10167eaa16bb6-50d0-4776-9f2b-1dfbe2aa5b0f
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2014-10-16 | |||||
タイトル | ||||||
タイトル | Penguin response to the Eocene climate and ecosystem change in the northern Antarctic Peninsula region | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Penguin response to the Eocene climate and ecosystem change in the northern Antarctic Peninsula region | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | West Antarctica | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Seymour Island | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | La Meseta formation (Eocene) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Environmental change | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Penguins | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | West Antarctica | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Seymour Island | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | La Meseta formation (Eocene) | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Environmental change | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Penguins | |||||
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 |
P., Jadwiszczak
× P., Jadwiszczak× P., Jadwiszczak |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Eocene Antarctic penguins are known solely from the La Meseta Formation (Seymour Island, James Ross Basin). They are most numerous and taxonomically diverse (at least ten species present) within strata formed at the end of this epoch, which is concomitant with a significant cooling trend and biotic turnover prior to the onset of glaciation. Moreover, all newly appeared taxa were small-bodied, and most probably evolved in situ. Interestingly, some chemical proxies suggest enhanced nutrient upwelling events that coincided with obvious changes in the record of La Meseta penguins. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 始新世に生息していた南極のペンギンはLa Meseta累層(Seymour 島、James Ross盆地)からのみ知られている。これらのペンギンは、始新世の末期に形成された地層内でもっとも数が多く、また種類も多かった(少なくとも10種が存在)。こうしたペンギンの個体数、種数の増加は、この時期にみられた気候の顕著な寒冷化と氷河発達直前の生物相の変化に関連している。この時期に新しく出現した種はいずれも小型で、空いたニッチを埋めるようにこの地域で分岐したと考えられる。さらに興味深いことに、La Meseta 累層のペンギンに顕著な変化が見られるのと同時に、栄養塩の湧昇強度が強まったことが化学的指標から示唆された。 | |||||
書誌情報 |
Polar science en : Polar science 巻 4, 号 2, p. 229-235, 発行日 2010-08 |
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出版者 | ||||||
出版者 | 国立極地研究所 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12240481 | |||||
論文ID(NAID) | ||||||
識別子タイプ | NAID | |||||
関連識別子 | 110007702206 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.1016/j.polar.2010.03.001 | |||||
関連名称 | 10.1016/j.polar.2010.03.001 |