The Early Cretaceous terrestrial ecosystems of the Jehol Biota based on food-web and energy-flow models

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	The Early Cretaceous terrestrial ecosystems of the Jehol Biota based on food-web and energy-flow models
	Matsukawa, Masaki 1; Shibata, Kenichiro 2; Sato, Kenta 1; Xing, Xu 3; Lockley, Martin G.4
刊名	BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
	2014-11-01
卷号	113 期号:3 页码:836-853
关键词	Ecological Pyramids Energy Intake Konservat-lagerstatte Metabolic Rates Net Primary Productivity Yixian And Jiufotang Formations
文献子类	Article
英文摘要	The ancient terrestrial ecosystems of the Lower Cretaceous Yixian Formation and the Jiufotang Formation, consecutive components of the Jehol Group in Northeast China were reconstructed using an energy-flow and food-web model. This model can be used to quantitatively estimate population densities for ancient terrestrial vertebrates based on food webs, net primary productivity, and three categories of energy-transfer efficiency. The results indicate that densities reached 866 individuals km(-2) and 4122 individuals km(-2) in two ecosystems, respectively. The main component of the vertebrate fauna of the Yixian Formation consisted of large herbivorous dinosaurs, while much smaller avians dominated the Jiufotang fauna. The model also indicates a temporal transition in the dinosaur fauna from the Yixian fauna to the Jiufotang fauna in which theropods decreased and ceratopsids became more abundant. We then compared these estimates of biodiversity with the Early Cretaceous Choyr fauna of Mongolia, and Tetori fauna of Japan using Simpson's diversity indices. Those indices, based on biomass, indicate that the biodiversities of the Jehol fauna lay between those of the Choyr and Tetori faunas. This range in biodiversity seems attributable to fundamental differences in vegetation and the environment.(c) 2014 The Linnean Society of London, Biological Journal of the Linnean Society, 2014, 113, 836-853.
WOS关键词	NORTHEAST CHINA ; FEATHERED DINOSAURS ; YIXIAN FORMATION ; AGE ; SIHETUN ; STRATIGRAPHY ; PERSPECTIVES ; ASSEMBLAGES ; NONMARINE
WOS研究方向	Evolutionary Biology
语种	英语
WOS记录号	WOS:000344184500014
内容类型	期刊论文
源URL	[http://124.16.247.212/handle/311034/7367]
专题	古脊椎动物与古人类研究所_图书馆1
作者单位	1.Tokyo Gakugei Univ, Dept Environm Sci, Koganei, Tokyo 1848501, Japan 2.Yokosuka City Museum, Yokosuka, Kanagawa 2380016, Japan 3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Evolutionary Systemat Vertebrates, Beijing, Peoples R China 4.Univ Colorado, Dinosaur Trackers Res Grp, Denver, CO 80217 USA
推荐引用方式 GB/T 7714	Matsukawa, Masaki,Shibata, Kenichiro,Sato, Kenta,et al. The Early Cretaceous terrestrial ecosystems of the Jehol Biota based on food-web and energy-flow models[J]. BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,2014,113(3):836-853.
APA	Matsukawa, Masaki,Shibata, Kenichiro,Sato, Kenta,Xing, Xu,&Lockley, Martin G..(2014).The Early Cretaceous terrestrial ecosystems of the Jehol Biota based on food-web and energy-flow models.BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,113(3),836-853.
MLA	Matsukawa, Masaki,et al."The Early Cretaceous terrestrial ecosystems of the Jehol Biota based on food-web and energy-flow models".BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY 113.3(2014):836-853.