European buckthorn and Asian soybean aphid as components of an extensive invasional meltdown in North America
文献类型: 外文期刊
第一作者: Heimpel, George E.
作者: Heimpel, George E.;Sezen, Zeynep;Asplen, Mark K.;Frelich, Lee E.;Landis, Douglas A.;Hopper, Keith R.;Hoelmer, Kim A.;Wu, Kongming
作者机构:
关键词: Invasional meltdown;Lumbricusterrestris;Rhamnus cathartica;Aphis glycines;Puccinia coronata;Harmonia axyridis;Sturnusvulgaris;Bipalium adventitium;Agonum muelleri;Aphelinus certus;Binodoxys communis
期刊名称:BIOLOGICAL INVASIONS ( 影响因子:3.133; 五年影响因子:3.694 )
ISSN:
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收录情况: SCI
摘要: We consider the possibility of an extensiveinvasional meltdown occurring in central NorthAmerica involving eleven Eurasian species. Thescenario begins with the potential co-facilitationbetween the European earthworm Lumbricus terrestrisand European buckthorn, Rhamnus cathartica. Onceintroduced, European buckthorn has served as theoverwintering host for two important invasive croppests, oat crown rust, Puccinea coronata and thesoybean aphid, Aphis glycines. The spread of R. cathartica itself may have been aided by seeddispersal by the European starling, Sturnus vulgaris,and the presence of L. terrestris has likely facilitated theinvasion of Bipalium adventitium, an Asian predatoryflatworm that specializes on earthworms. Beyond this,the soybean aphid is consumed by a number ofintroduced species, including the lady beetle Harmoniaaxyridis, the ground beetle Agonum muelleri and theparasitoid Aphelinus certus. We hypothesize that thepresence of soybean aphid increases regional abun-dances of these species. We discuss both the evidencefor this multi-species invasional meltdown scenario andpotential implications of meltdown dynamics for inva-sive species management. The particular managementissues that we discuss are: (1) opportunities formanaging multiple invasive species simultaneously bytargeting facilitator species, and (2) implications ofmeltdown dynamics for biological control introduc-tions against the soybean aphid.
分类号: Q14
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