干旱区生态环境知识资源中心(Arid): Inferring coevolution in a plant-pollinator network

Arid

DOI	10.1111/oik.05960
	Inferring coevolution in a plant-pollinator network
	Lomascolo, Silvia B.1,2; Giannini, Norberto 4,5,6; Chacoff, Natacha P.1,2; Castro-Urgal, Rocio 7; Vazquez, Diego P.1,3
通讯作者	Lomascolo, Silvia B.
来源期刊	OIKOS
ISSN	0030-1299
EISSN	1600-0706
出版年	2019
卷号	128 期号:6 页码:775-789
英文摘要	Mutualistic interactions are at the core of community dynamics, determining dispersal, colonization and differential survival and reproduction among individuals and species. Mutualistic interactions therefore affect the fitness of interaction partners, hence modifying their respective evolutionary trajectories reciprocally, potentially leading to coevolution. Although mathematical models predict coevolution in mutualistic interaction networks, no empirical data are available. By taking into account the patterns of interactions and reconstructing evolutionary change in plant and pollinator traits, we tested the hypothesis that coevolution occurs between plants and insects that interact more frequently, or more symmetrically. To test this hypothesis, we built an interaction network with data from five flowering seasons, measured plant and insect morphology, mapped morphology on the plant and insect phylogenies, and reconstructed ancestral character changes based on maximum parsimony. We calculated an index, called the coevolutionary ratio, which represents the amount of correlated change in traits that mediate the interaction between plants and pollinators (i.e. proboscis versus corolla length, and body width and corolla aperture). Our results suggest that high frequency of interaction, i.e. the number of times two species interact, does not lead to coevolution. Instead, symmetry of interaction strength, i.e. the reciprocal similarity in the mutual effect of interaction partners, may lead to coevolution, in spite of a pervasive lack of reciprocal specialization and high interaction frequency. Although the statistical signal is quite weak, our results hold for three statistical tests of very different nature. The most specialized species, expected to be under directional selection, do not show more evolutionary change than do generalist species, expected to be under different, perhaps opposing, selective pressures. By dissecting the complexity of an interaction network we show that coevolution may partially shape functional morphology of interaction partners, thus providing the closest evidence to date of mutualistic adaptation of organisms within a community.
英文关键词	Argentina ecological interactions evolutionary ecology Monte desert mutualism pollinator community
类型	Article
语种	英语
国家	Argentina ; Germany ; Spain
收录类别	SCI-E
WOS记录号	WOS:000472121700002
WOS关键词	MOLECULAR PHYLOGENY ; EVOLUTION ; SELECTION ; DYNAMICS ; STRENGTH ; DIVERSIFICATION ; ARCHITECTURE ; RESISTANCE ; DIVERSITY ; SYSTEMS
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/217815
作者单位	1.CCT CONICET, Inst Argentino Invest Zonas Aridas, Mendoza, Argentina; 2.Univ Nacl Tucuman, CONICET, Inst Ecol Reg, Residencia Univ Horco Molle,CC 34, RA-4107 Yerba Buena, Tucuman, Argentina; 3.Univ Freiburg, Freiburg Inst Adv Studies, Freiburg, Germany; 4.Univ Nacl Tucuman, Fac Ciencias Nat, Yerba Buena, Tucuman, Argentina; 5.Univ Nacl Tucuman, IML, Yerba Buena, Tucuman, Argentina; 6.Consejo Nacl Invest Cient & Tecn, Fdn Miguel Lillo, Unidad Ejecutora Lillo, San Miguel De Tucuman, Tucuman, Argentina; 7.UIB, CSIC, Inst Mediterrani Estudis Avancats, Mallorca, Balearic Island, Spain
推荐引用方式 GB/T 7714	Lomascolo, Silvia B.,Giannini, Norberto,Chacoff, Natacha P.,et al. Inferring coevolution in a plant-pollinator network[J],2019,128(6):775-789.
APA	Lomascolo, Silvia B.,Giannini, Norberto,Chacoff, Natacha P.,Castro-Urgal, Rocio,&Vazquez, Diego P..(2019).Inferring coevolution in a plant-pollinator network.OIKOS,128(6),775-789.
MLA	Lomascolo, Silvia B.,et al."Inferring coevolution in a plant-pollinator network".OIKOS 128.6(2019):775-789.