气候变化领域集成服务门户(CCPortal): Seawater carbonate chemistry and shell properties, behaviour of the mussel Mytilus galloprovincialis

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DOI	https://doi.org/10.1594/PANGAEA.912486
	Seawater carbonate chemistry and shell properties, behaviour of the mussel Mytilus galloprovincialis
	Lassoued; Jihene; Babarro; Jose M F; Padín; Xose Antonio; Comeau; Luc A; Bejaoui; Nejla; Pérez; Fiz F
发布日期	2020-02-25
数据集类型	dataset
英文关键词	Animalia ; Behaviour ; Benthic animals ; Benthos ; Bottles or small containers/Aquaria ( 20 L) ; Brackish waters ; Coast and continental shelf ; Growth/Morphology ; Laboratory experiment ; Mollusca ; Mytilus galloprovincialis ; North Atlantic ; Other ; Other studied parameter or process ; Single species ; Temperate
英文简介	The carbon dioxide taken up by the ocean is increasing as levels of atmospheric carbon dioxide increase, thus lowering the ocean pH and altering the carbonate system. In this laboratory study, we evaluated the physiological responses of juvenile mussels Mytilus galloprovincialis from Galician waters (NW Iberian Peninsula) exposed to control (500 µatm) and elevated (800 or 1200 µatm) seawater pCO2 conditions under 2 different feeding regimes (optimal and suboptimal). Shell properties such as compressive strength and composition (organic matter and aragonite:calcite ratio) were negatively affected by high seawater pCO2, regardless of food availability. This result suggests that water chemistry is a main driver for shell development. Under the optimal feeding regime, mussel feeding rates increased in response to elevated pCO2, presumably as a strategy to maintain a high strength of attachment. In contrast, mussels on the suboptimal diet showed weak attachment and narrow valve opening at the highest pCO2 condition. Thus, our results suggest that with optimal food availability, mussels were resilient to water acidification with respect to feeding activity, valve opening and attachment strength. Under a suboptimal diet, however, the ability of mussels to respond to acidification was compromised. These results highlight complex ecophysiological interactions for calcifying organisms subjected to climate change.
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/215651
推荐引用方式 GB/T 7714	Lassoued,Jihene,Babarro,et al. Seawater carbonate chemistry and shell properties, behaviour of the mussel Mytilus galloprovincialis.2020-02-25.https://doi.org/10.1594/PANGAEA.912486.