Arid
DOI10.1073/pnas.0902213106
Wind-borne insects mediate directional pollen transfer between desert fig trees 160 kilometers apart
Ahmed, Sophia1; Compton, Stephen G.2; Butlin, Roger K.3; Gilmartin, Philip M.1
通讯作者Gilmartin, Philip M.
来源期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
出版年2009
卷号106期号:48页码:20342-20347
英文摘要

The question of how far pollen can move between plants has implications for topics as diverse as habitat fragmentation, conservation management, and the containment of genetically modified crops. The monoecious African fig tree Ficus sycomorus L. relies on the small, short-lived, night-flying, host-specific fig wasp Ceratosolen arabicus Mayr for pollination. We used microsatellite markers to characterize a geographically isolated riparian population of F. sycomorus growing along the Ugab River in the Namib Desert, Namibia, together with paternity analysis of seedlings from known mothers, to map pollen movement within this population. In this way we tracked insect movements between individually recognizable trees by means of their pollen cargo and documented the movement of C. arabicus between known trees separated by more than 160 km, with a mean distance for confirmed successful pollination events of 88.6 km. The predominant observed movement of pollinators was in a westerly direction, toward the sea, reflecting seasonal nighttime wind direction and the wind-borne dispersal of fig wasps. Our results suggest the existence of an extensive panmictic population of trees that are well suited to overcome the effects of geographical isolation.


英文关键词Ficus sycomorus fig wasp gene flow spatial structure pollen dispersal
类型Article
语种英语
国家England
收录类别SCI-E
WOS记录号WOS:000272254400039
WOS关键词GENE FLOW ; MICROSATELLITE LOCI ; BREEDING STRUCTURE ; DISPERSAL ; POPULATION ; WASPS ; L. ; DIFFERENTIATION ; DISTANCE ; HETEROGENEITY
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/162323
作者单位1.Univ Leeds, Ctr Plant Sci, Fac Biol Sci, Leeds LS2 9JT, W Yorkshire, England;
2.Univ Leeds, Inst Integrat & Comparat Biol, Fac Biol Sci, Leeds LS2 9JT, W Yorkshire, England;
3.Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England
推荐引用方式
GB/T 7714
Ahmed, Sophia,Compton, Stephen G.,Butlin, Roger K.,et al. Wind-borne insects mediate directional pollen transfer between desert fig trees 160 kilometers apart[J],2009,106(48):20342-20347.
APA Ahmed, Sophia,Compton, Stephen G.,Butlin, Roger K.,&Gilmartin, Philip M..(2009).Wind-borne insects mediate directional pollen transfer between desert fig trees 160 kilometers apart.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,106(48),20342-20347.
MLA Ahmed, Sophia,et al."Wind-borne insects mediate directional pollen transfer between desert fig trees 160 kilometers apart".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 106.48(2009):20342-20347.
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