Journal
AMERICAN JOURNAL OF BOTANY
Volume 105, Issue 3, Pages 433-445Publisher
WILEY
DOI: 10.1002/ajb2.1059
Keywords
comparative methods; data layers; phylogeny; Rosidae; rosids; scientific infrastructure
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Funding
- NSF [DBI-1523667, DBI-1458640, DBI-1458466, DEB-1442280]
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Using phylogenetic approaches to test hypotheses on a large scale, in terms of both species sampling and associated species traits and occurrence data-and doing this with rigor despite all the attendant challenges-is critical for addressing many broad questions in evolution and ecology. However, application of such approaches to empirical systems is hampered by a lingering series of theoretical and practical bottlenecks. The community is still wrestling with the challenges of how to develop species-level, comprehensively sampled phylogenies and associated geographic and phenotypic resources that enable global-scale analyses. We illustrate difficulties and opportunities using the rosids as a case study, arguing that assembly of biodiversity data that is scale-appropriate-and therefore comprehensive and global in scope-is required to test global-scale hypotheses. Synthesizing comprehensive biodiversity data sets in clades such as the rosids will be key to understanding the origin and present-day evolutionary and ecological dynamics of the angiosperms.
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