Island biogeography of the megadiverse plant family Asteraceae

被引:4
|
作者
Roeble, Lizzie [1 ,2 ]
van Benthem, Koen J. [2 ]
Weigelt, Patrick [3 ,4 ,5 ]
Kreft, Holger [3 ,4 ,5 ]
Knope, Matthew L. [6 ]
Mandel, Jennifer R. [7 ]
Vargas, Pablo [8 ]
Etienne, Rampal S. [2 ]
Valente, Luis [1 ,2 ]
机构
[1] Nat Biodivers Ctr, Darwinweg 2, NL-2333 CR Leiden, Netherlands
[2] Univ Groningen, Groningen Inst Evolutionary Life Sci, Groningen, Netherlands
[3] Univ Gottingen, Biodivers Macroecol & Biogeog, D-37077 Gottingen, Germany
[4] Univ Gottingen, Ctr Biodivers & Sustainable Land Use, Gottingen, Germany
[5] Campus Inst Data Sci, Gottingen, Germany
[6] Univ Hawaii Hilo, Dept Biol, 200 W Kawili St, Hilo, HI 96720 USA
[7] Univ Memphis, Dept Biol Sci, Memphis, TN USA
[8] Real Jardin Bot RJB CSIC, Dept Biodivers & Conservac, Plaza Murillo 2, Madrid 28014, Spain
基金
荷兰研究理事会; 美国国家科学基金会;
关键词
LONG-DISTANCE DISPERSAL; ADAPTIVE RADIATION; DYNAMIC-MODEL; DIVERSIFICATION; PATTERNS; EQUILIBRIUM; NUCLEAR; ORIGIN; AREA; INCONGRUENCE;
D O I
10.1038/s41467-024-51556-7
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The megadiverse plant family Asteraceae forms an iconic component of island floras including many spectacular radiations, but a global picture of its insular diversity is lacking. Here, we uncover the global biogeographical and evolutionary patterns of Asteraceae on islands to reveal the magnitude and potential causes of their evolutionary success. We compile a global checklist of Asteraceae species native and endemic to islands and combine it with macroecological analyses and a phylogenetic review of island radiations. Asteraceae have a global distribution on islands, comprising approximately 6,000 native island species, with 58% endemics. While diversity of the family on islands is lower than expected given its overall diversity, Asteraceae are the most diverse family on oceanic islands, suggesting an exceptional ability to thrive in isolation. In agreement with island biogeography predictions, native Asteraceae diversity increases with area and decreases with isolation, while endemism increases with both. We identify 39 confirmed island radiations and 69 putative radiations, exceeding numbers for other iconic insular groups. Our results reveal Asteraceae offer immense potential for research in ecology and evolution, given their close tracking of island biogeography expectations, large number of both species and radiations, cosmopolitan distribution, and numerous undiscovered radiations. The largest plant family, Asteraceae, forms an iconic component of many island floras. Here, the authors conduct a macroecological review, showing that Asteraceae have a truly global distribution on islands and are the most diverse plant family on oceanic islands.
引用
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页数:14
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