气候变化领域集成服务门户(CCPortal): Specialization and rarity predict nonrandom loss of interactions from mutualist networks

CCPortal

DOI	10.1126/science.1215320
	Specialization and rarity predict nonrandom loss of interactions from mutualist networks
	Aizen M.A.; Sabatino M.; Tylianakis J.M.
发表日期	2012
ISSN	0036-8075
起始页码	1486
结束页码	1489
卷号	335 期号:6075
英文摘要	The loss of interactions from mutualistic networks could foreshadow both plant and animal species extinctions. Yet, the characteristics of interactions that predispose them to disruption are largely unknown. We analyzed 12 pollination webs from isolated hills ("sierras"), in Argentina, ranging from tens to thousands of hectares. We found evidence of nonrandom loss of interactions with decreasing sierra size. Low interaction frequency and high specialization between interacting partners contributed additively to increase the vulnerability of interactions to disruption. Interactions between generalists in the largest sierras were ubiquitous across sierras, but many of them lost their central structural role in the smallest sierras. Thus, particular configurations of interaction networks, along with unique ecological relations and evolutionary pathways, could be lost forever after habitat reduction.
英文关键词	evolutionary biology; extinction; generalist; habitat loss; hill; pollination; rarity; specialization; vulnerability; Argentina; article; ecology; evolution; habitat; plant; pollination; priority journal; species extinction; Argentina; Animalia
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/242785
作者单位	Laboratorio Ecotono, Universidad Nacional del Comahue, Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA), San Carlos de Bariloche, Río Negro 8400, Argentina; Departamento de Botánica, Museo Argentino de Ciencias Naturales, Ángel Gallardo 470, Ciudad Autónoma de Buenos Aires 1405, Argentina; School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
推荐引用方式 GB/T 7714	Aizen M.A.,Sabatino M.,Tylianakis J.M.. Specialization and rarity predict nonrandom loss of interactions from mutualist networks[J],2012,335(6075).
APA	Aizen M.A.,Sabatino M.,&Tylianakis J.M..(2012).Specialization and rarity predict nonrandom loss of interactions from mutualist networks.Science,335(6075).
MLA	Aizen M.A.,et al."Specialization and rarity predict nonrandom loss of interactions from mutualist networks".Science 335.6075(2012).