气候变化领域集成服务门户(CCPortal): Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams

CCPortal

DOI	10.1029/2019GB006276
	Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams
	von Schiller D.; Datry T.; Corti R.; Foulquier A.; Tockner K.; Marcé R.; García-Baquero G.; Odriozola I.; Obrador B.; Elosegi A.; Mendoza-Lera C.; Gessner M.O.; Stubbington R.; Albariño R.; Allen D.C.; Altermatt F.; Arce M.I.; Arnon S.; Banas D.; Banegas-Medina A.; Beller E.; Blanchette M.L.; Blanco-Libreros J.F.; Blessing J.; Boëchat I.G.; Boersma K.S.; Bogan M.T.; Bonada N.; Bond N.R.; Brintrup K.; Bruder A.; Burrows R.M.; Cancellario T.; Carlson S.M.; Cauvy-Fraunié S.; Cid N.; Danger M.; de Freitas Terra B.; Dehedin A.; De Girolamo A.M.; del Campo R.; Díaz-Villanueva V.; Duerdoth C.P.; Dyer F.; Faye E.; Febria C.; Figueroa R.; Four B.; Gafny S.; Gómez R.; Gómez-Gener L.; Graça M.A.S.; Guareschi S.; Gücker B.; Hoppeler F.; Hwan J.L.; Kubheka S.; Laini A.; Langhans S.D.; Leigh C.; Little C.J.; Lorenz S.; Marshall J.; Martín E.J.; McIntosh A.; Meyer E.I.; Miliša M.; Mlambo M.C.; Moleón M.; Morais M.; Negus P.; Niyogi D.; Papatheodoulou A.; Pardo I.; Pařil P.; Pešić V.; Piscart C.; Polášek M.; Rodríguez-Lozano P.; Rolls R.J.; Sánchez-Montoya M.M.; Savić A.; Shumilova O.; Steward A.; Taleb A.; Uzan A.; Vander Vorste R.; Waltham N.; Woelfle-Erskine C.; Zak D.; Zarfl C.; Zoppini A.
发表日期	2019
ISSN	0886-6236
EISSN	1944-9224
起始页码	1251
结束页码	1263
卷号	33 期号:10
英文摘要	Intermittent rivers and ephemeral streams (IRES) may represent over half the global stream network, but their contribution to respiration and carbon dioxide (CO2) emissions is largely undetermined. In particular, little is known about the variability and drivers of respiration in IRES sediments upon rewetting, which could result in large pulses of CO2. We present a global study examining sediments from 200 dry IRES reaches spanning multiple biomes. Results from standardized assays show that mean respiration increased 32-fold to 66-fold upon sediment rewetting. Structural equation modeling indicates that this response was driven by sediment texture and organic matter quantity and quality, which, in turn, were influenced by climate, land use, and riparian plant cover. Our estimates suggest that respiration pulses resulting from rewetting of IRES sediments could contribute significantly to annual CO2 emissions from the global stream network, with a single respiration pulse potentially increasing emission by 0.2–0.7%. As the spatial and temporal extent of IRES increases globally, our results highlight the importance of recognizing the influence of wetting-drying cycles on respiration and CO2 emissions in stream networks. ©2019. American Geophysical Union. All Rights Reserved.
英文关键词	CO2; intermittent; respiration; river; stream; temporary
语种	英语
来源期刊	Global Biogeochemical Cycles
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/129705
作者单位	Department of Plant Biology and Ecology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Bilbao, Spain; UR RiverLY, IRSTEA, Centre de Lyon-Villeurbanne, France; Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin, Germany; Université Grenoble Alpes, Laboratoire d'Écologie Alpine (LECA), UMR CNRS-UGA-USMB, Grenoble, France; Austrian Science Fund (FWF), Vienna, Austria; Catalan Institute for Water Research (ICRA), Girona, Spain; Laboratory of Environmental Microbiology, Institute of Microbiology of the CAS, Prague, Czech Republic; Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Barcelona, Spain; Department of Ecology, Berlin Institute of Technology (TU Berlin), Berlin, Germany; School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom; INIBIOMA, Universidad Nacional del Comahue – CONICET, Bariloche, Argentina; Department of Biology, University of Oklahoma, Norman, OK, United...
推荐引用方式 GB/T 7714	von Schiller D.,Datry T.,Corti R.,et al. Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams[J],2019,33(10).
APA	von Schiller D..,Datry T..,Corti R..,Foulquier A..,Tockner K..,...&Zoppini A..(2019).Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams.Global Biogeochemical Cycles,33(10).
MLA	von Schiller D.,et al."Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams".Global Biogeochemical Cycles 33.10(2019).