气候变化领域集成服务门户(CCPortal): Rapid resurgence of marine productivity after the cretaceous-paleogene mass extinction

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DOI	10.1126/science.1176233
	Rapid resurgence of marine productivity after the cretaceous-paleogene mass extinction
	Sepúlveda J.; Wendler J.E.; Summons R.E.; Hinrichs K.-U.
发表日期	2009
ISSN	0036-8075
起始页码	129
结束页码	132
卷号	326 期号:5949
英文摘要	The course of the biotic recovery after the impact-re[ated disruption of photosynthesis and mass extinction event at the Cretaceous-Pa[eogene boundary has been intense[y debated. The resurgence of marine primary production in the aftermath remains poor[y constrained because of the paucity of fossil records tracing primary producers that [ack skeletons, Here we present a high-reso[ution record of geochemica[ variation in the remarkably thick Fiske[er (a[so known as the Fish C[ay) boundary [aver at Ku[stirenden, Denmark. Converqinq evidence from the stab[e isotopes of carbon and nitrogen and abundances of a[ga[ steranes and bacterial hopanes indicates that a[ga[ primary productivity was strongly reduced for on[y a brief period of possib[y less than a century after the impact, fo[[owed by a rapid resurgence of carbon fixation and eco[ogica[ reorganization.
英文关键词	carbon; chemical compound; hopanoid; isotope; nitrogen; sterane; unclassified drug; alga; alkane; bacterium; carbon fixation; carbon isotope; Cretaceous; fossil record; marine ecosystem; mass extinction; Paleogene; photosynthesis; primary production; alga; animal experiment; article; carbon fixation; chemical composition; clay; Cretaceous; Denmark; ecological specialization; environmental impact; fish; fish clay; fossil; geochemical analysis; marine environment; nonhuman; Paleogene; photosynthesis; priority journal; productivity; Biological Markers; Carbon Isotopes; Cyanobacteria; Denmark; Ecosystem; Eukaryota; Extinction, Biological; Geologic Sediments; Nitrogen Isotopes; Photosynthesis; Phytoplankton; Polycyclic Compounds; Seawater; Time; Triterpenes; Denmark; Eurasia; Europe; Northern Europe; Scandinavia; Bacteria (microorganisms)
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/245426
作者单位	Organic Geochemistry Group, Department of Geosciences, University of Bremen, 28334 Bremen, Germany; International Graduate College-Proxies in Earth History (EUROPROX), University of Bremen, 28334 Bremen, Germany; Research Group GeochronologyBasin Analysis, Department of Geosciences, University of Bremen, 28334 Bremen, Germany; Department of Earth, Atmospheric and Planetary Sciences, MIT, 45 Carleton Street E25-623, Cambridge, MA 02139, United States; Institute of Earth Sciences, Faculty of Chemistry and Earth Sciences, Friedrich-Schiller-Universitit Jena, Burgweg 11, 07749 Jena, Germany
推荐引用方式 GB/T 7714	Sepúlveda J.,Wendler J.E.,Summons R.E.,et al. Rapid resurgence of marine productivity after the cretaceous-paleogene mass extinction[J],2009,326(5949).
APA	Sepúlveda J.,Wendler J.E.,Summons R.E.,&Hinrichs K.-U..(2009).Rapid resurgence of marine productivity after the cretaceous-paleogene mass extinction.Science,326(5949).
MLA	Sepúlveda J.,et al."Rapid resurgence of marine productivity after the cretaceous-paleogene mass extinction".Science 326.5949(2009).