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Testing Darwin's transoceanic dispersal hypothesis for the inland nettle family (Urticaceae)
Wu, Zeng-Yuan1,3; Liu, Jie2,4; Provan, Jim5; Wang, Hong2,4; Chen, Chia-Jui7; Cadotte, Marc W.8,9; Luo, Ya-Huang2,4; Amorim, Bruno S.10; Li, De-Zhu1,2,3,4; Milne, Richard I.6
2018-10-01
Source PublicationECOLOGY LETTERS
ISSN1461-023X
Volume21Issue:10Pages:1515-1529
Abstract

Dispersal is a fundamental ecological process, yet demonstrating the occurrence and importance of long-distance dispersal (LDD) remains difficult, having rarely been examined for widespread, non-coastal plants. To address this issue, we integrated phylogenetic, molecular dating, biogeographical, ecological, seed biology and oceanographic data for the inland Urticaceae. We found that Urticaceae originated in Eurasia c. 69 Ma, followed by >= 92 LDD events between landmasses. Under experimental conditions, seeds of many Urticaceae floated for > 220 days, and remained viable after 10 months in seawater, long enough for most detected LDD events, according to oceanographic current modelling. Ecological traits analyses indicated that preferences for disturbed habitats might facilitate LDD. Nearly half of all LDD events involved dioecious taxa, so population establishment in dioecious Urticaceae requires multiple seeds, or occasional selfing. Our work shows that seawater LDD played an important role in shaping the geographical distributions of Urticaceae, providing empirical evidence for Darwin's transoceanic dispersal hypothesis.

KeywordBiogeography Ecological Traits Long-distance Dispersal Molecular Phylogeny Ocean Current Seed Viability Urticaceae
DOI10.1111/ele.13132
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEcology
WOS IDWOS:000444413300007
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/62424
Collection中国西南野生生物种质资源库
Corresponding AuthorLi, De-Zhu
Affiliation1.Kunming Inst Bot, Chinese Acad Sci, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
2.Kunming Inst Bot, Chinese Acad Sci, Key Lab Plant & Biodivers E Asia, Kunming 650201, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
4.Chinese Acad Sci, Key Lab Plant & Biodivers East Asia, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
5.Aberystwyth Univ, Inst Biol Environm & Rural Sci, Aberystwyth SY23 3DA, Dyfed, Wales
6.Univ Edinburgh, Inst Mol Plant Sci, Sch Biol Sci, Edinburgh EH9 3JH, Midlothian, Scotland
7.Chinese Acad Sci, State Key Lab Systemat & Evolutionary Bot, Inst Bot, Beijing 100093, Peoples R China
8.Univ Toronto Scarborough, Dept Biol Sci, 1265 Mil Trail, Scarborough, ON M1C 1A4, Canada
9.Univ Toronto, Ecol & Evolutionary Biol, 25 Willcocks St, Toronto, ON M5S 3B2, Canada
10.State Univ Amazonas, Grad Program Biotechnol & Nat Resources, Sch Hlth Sci, BR-69065001 Manaus, Amazonas, Brazil
Recommended Citation
GB/T 7714
Wu, Zeng-Yuan,Liu, Jie,Provan, Jim,et al. Testing Darwin's transoceanic dispersal hypothesis for the inland nettle family (Urticaceae)[J]. ECOLOGY LETTERS,2018,21(10):1515-1529.
APA Wu, Zeng-Yuan.,Liu, Jie.,Provan, Jim.,Wang, Hong.,Chen, Chia-Jui.,...&Milne, Richard I..(2018).Testing Darwin's transoceanic dispersal hypothesis for the inland nettle family (Urticaceae).ECOLOGY LETTERS,21(10),1515-1529.
MLA Wu, Zeng-Yuan,et al."Testing Darwin's transoceanic dispersal hypothesis for the inland nettle family (Urticaceae)".ECOLOGY LETTERS 21.10(2018):1515-1529.
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