气候变化领域集成服务门户(CCPortal): Symmetric assembly and disassembly processes in an ecological network

CCPortal

DOI	10.1111/ele.12957
	Symmetric assembly and disassembly processes in an ecological network
	Tylianakis J.M.; Martínez-García L.B.; Richardson S.J.; Peltzer D.A.; Dickie I.A.
发表日期	2018
ISSN	1461023X
卷号	21 期号:6
英文摘要	The processes whereby ecological networks emerge, persist and decay throughout ecosystem development are largely unknown. Here we study networks of plant and arbuscular mycorrhizal fungal (AMF) communities along a 120 000 year soil chronosequence, as they undergo assembly (progression) and then disassembly (retrogression). We found that network assembly and disassembly were symmetrical, self-reinforcing processes that together were capable of generating key attributes of network architecture. Plant and AMF species that had short indirect paths to others in the community (i.e. high centrality), rather than many direct interaction partners (i.e. high degree), were best able to attract new interaction partners and, in the case of AMF species, also to retain existing interactions with plants during retrogression. We then show using simulations that these non-random patterns of attachment and detachment promote nestedness of the network. These results have implications for predicting extinction sequences, identifying focal points for invasions and suggesting trajectories for restoration. © 2018 John Wiley & Sons Ltd/CNRS
英文关键词	Community assembly; ecosystem development; mutualist network; mycorrhizal symbiosis; preferential attachment; retrogression; succession
语种	英语
scopus关键词	ecology; ecosystem; microbiology; mycorrhiza; plant; plant root; Ecology; Ecosystem; Mycorrhizae; Plant Roots; Plants; Soil Microbiology
来源期刊	Ecology Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/121304
作者单位	Centre for Integrative Ecology, School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand; Department of Life Sciences, Imperial College London, Silwood Park Campus, Buckhurst Road, Ascot, Berkshire SL5 7PY, United Kingdom; Bio-protection Research Centre, School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand; Landcare Research, PO Box 69040, Lincoln, 7640, New Zealand; Department of Soil Quality, Wageningen University, P.O. Box 47, Wageningen, 6700 AA, Netherlands
推荐引用方式 GB/T 7714	Tylianakis J.M.,Martínez-García L.B.,Richardson S.J.,et al. Symmetric assembly and disassembly processes in an ecological network[J],2018,21(6).
APA	Tylianakis J.M.,Martínez-García L.B.,Richardson S.J.,Peltzer D.A.,&Dickie I.A..(2018).Symmetric assembly and disassembly processes in an ecological network.Ecology Letters,21(6).
MLA	Tylianakis J.M.,et al."Symmetric assembly and disassembly processes in an ecological network".Ecology Letters 21.6(2018).