气候变化领域集成服务门户(CCPortal): Direct linkage between dimethyl sulfide production and microzooplankton grazing, resulting from prey composition change under high partial pressure of carbon dioxide conditions

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.834079
	Direct linkage between dimethyl sulfide production and microzooplankton grazing, resulting from prey composition change under high partial pressure of carbon dioxide conditions
	Park; K T; Lee; Kitack; Shin; Kyoungsoon; Yang; Eun Jin; Hyun; Bonggil; Kim; Ja-Myung; Noh; Jae Hoon; Kim; Miok; Kong; Bokyung; Choi; Dong Han; Choi; Su-Jin; Jang; Pung-Guk; Jeong; Hae Jin
发布日期	2014-07-16
数据集类型	dataset
英文关键词	Alexandrium sp. ; Behaviour ; Cerataulina pelagica ; Coast and continental shelf ; Community composition and diversity ; Entire community ; Field experiment ; Mesocosm or benthocosm ; North Pacific ; Other metabolic rates ; Pelagos ; Primary production/Photosynthesis ; Temperate ; Temperature
英文简介	Oceanic dimethyl sulfide (DMS) is the enzymatic cleavage product of the algal metabolite dimethylsulfoniopropionate (DMSP) and is the most abundant form of sulfur released into the atmosphere. To investigate the effects of two emerging environmental threats (ocean acidification and warming) on marine DMS production, we performed a large-scale perturbation experiment in a coastal environment. At both ambient temperature and 2 °C warmer, an increase in partial pressure of carbon dioxide (pCO2) in seawater (160-830 ppmv pCO2) favored the growth of large diatoms, which outcompeted other phytoplankton species in a natural phytoplankton assemblage and reduced the growth rate of smaller, DMSP-rich phototrophic dinoflagellates. This decreased the grazing rate of heterotrophic dinoflagellates (ubiquitous micrograzers), resulting in reduced DMS production via grazing activity. Both the magnitude and sign of the effect of pCO2 on possible future oceanic DMS production were strongly linked to pCO2-induced alterations to the phytoplankton community and the cellular DMSP content of the dominant species and its association with micrograzers.
空间范围	Latitude: 34.600000 * Longitude: 128.500000
时间范围	2012-05-02T00:00:00 - 2012-05-20T00:00:00
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/217416
推荐引用方式 GB/T 7714	Park,K T,Lee,et al. Direct linkage between dimethyl sulfide production and microzooplankton grazing, resulting from prey composition change under high partial pressure of carbon dioxide conditions.2014-07-16.https://doi.org/10.1594/PANGAEA.834079.