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Ecophysiology of photosynthesis of Vaucheria sp. mats in a Svalbard tidal flat
https://nipr.repo.nii.ac.jp/records/15931
https://nipr.repo.nii.ac.jp/records/15931ff9d94b1-c81a-4954-8bb2-677b32e228d5
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-09-30 | |||||
タイトル | ||||||
タイトル | Ecophysiology of photosynthesis of Vaucheria sp. mats in a Svalbard tidal flat | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Ecophysiology of photosynthesis of Vaucheria sp. mats in a Svalbard tidal flat | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Arctic | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Photosynthesis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Tidal zone | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Vaucheria sp | |||||
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 |
Kvíderová, Jana
× Kvíderová, Jana× Souquieres, Claude-Eric× Elster, Josef |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The photosynthetic performance of a Vaucheria sp. community in the Adventfjorden tidal flats near Longyearbyen, Svalbard, the Arctic was evaluated in a series of in situ and ex situ measurements based on variable chlorophyll fluorescence and gasometric approaches. The in situ measurement did not indicate any possible drivers from the selected environmental parameters (temperature, PAR, UVR, emersion period duration) of photosynthetic activity. Two ecotypes, spikes or loose filaments, observed in the field were related to emersion and immersion periods during the tidal cycle. Ex situ long-term monitoring identified PAR as the main controlling factor of photosynthesis. No limitation of photosynthetic activity due to temperatures or light was detected. The detailed ex situ photosynthesis measurements of Vaucheria sp. samples pre-acclimated to different irradiances did not reveal any decrease of photosynthesis in high light. Irradiance affected only the photosynthesis rate, but not the photosynthesis efficiency. The Vaucheria sp. was acclimated to the prevailing low-light conditions but was able to tolerate high-light conditions on sunny days of the late Artic summer. | |||||
書誌情報 |
en : Polar Science 巻 21, p. 172-185, 発行日 2019-09 |
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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.2018.11.006 | |||||
関連名称 | 10.1016/j.polar.2018.11.006 |