气候变化领域集成服务门户(CCPortal): Interactive effects of warming and ocean acidification on the Arctic picoeukaryote Micromonas pusilla

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.892370
	Interactive effects of warming and ocean acidification on the Arctic picoeukaryote Micromonas pusilla
	Hoppe; Clara Jule Marie; Flintrop; Clara; Rost; Björn
发布日期	2018-07-13
数据集类型	dataset
英文关键词	Arctic ; Arctic ; Biomass/Abundance/Elemental composition ; Bottles or small containers/Aquaria ( 20 L) ; Chlorophyta ; Coast and continental shelf ; Growth/Morphology ; Laboratory experiment ; Micromonas pusilla ; Pelagos ; Phytoplankton ; Plantae ; Polar ; Primary production/Photosynthesis ; Single species ; Temperature
英文简介	In the Arctic Ocean, climate change effects such as warming and ocean acidification (OA) are manifesting faster than in other regions. Yet, we are lacking a mechanistic understanding of the interactive effects of these drivers on Arctic primary producers. In the current study, one of the most abundant species of the Arctic Ocean, the prasinophyte Micromonas pusilla, was exposed to a range of different pCO2levels at two temperatures representing realistic scenarios for current and future conditions. We observed that warming and OA synergistically increased growth rates at intermediate to high pCO2 levels. Furthermore, elevated temperatures shifted the pCO2-optimum of biomass production to higher levels. Based on changes in cellular composition and photophysiology, we hypothesise that the observed synergies can be explained by beneficial effects of warming on carbon fixation in combination with facilitated carbon acquisition under OA. Our findings help to understand the higher abundances of picoeukaryotes such as M. pusilla under OA, as has been observed in many mesocosm studies.
语种	英语
国家	国际
学科大类	气候变化
学科子类	气候变化
文献类型	数据集
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/216134
推荐引用方式 GB/T 7714	Hoppe,Clara Jule Marie,Flintrop,et al. Interactive effects of warming and ocean acidification on the Arctic picoeukaryote Micromonas pusilla.2018-07-13.https://doi.org/10.1594/PANGAEA.892370.