Understanding local plant extinctions before it is too late: bridging evolutionary genomics with global ecology
- Carnegie Inst. of Science, Stanford, CA (United States); Stanford Univ., CA (United States); OSTI
Understanding evolutionary genomic and population processes within a species range is key to anticipating the extinction of plant species before it is too late. However, most models of biodiversity risk under global change do not account for the genetic variation and local adaptation of different populations. Population diversity is critical to understanding extinction because different populations may be more or less susceptible to global change and, if lost, would reduce the total diversity within a species. Here, two new modeling frameworks advance our understanding of extinction from a population and evolutionary angle: Rapid climate change-driven disruptions in population adaptation are predicted from associations between genomes and local climates. Furthermore, losses of population diversity from global land-use transformations are estimated by scaling relationships of species' genomic diversity with habitat area. Overall, these global eco-evolutionary methods advance the predictability – and possibly the preventability – of the ongoing extinction of plant species.
- Research Organization:
- Illinois State University (ISU), Normal, IL (United States)
- Sponsoring Organization:
- National Institutes of Health (NIH); National Science Foundation (NSF); USDA; USDOE; USDOE Office of Science (SC), Biological and Environmental Research (BER)
- Grant/Contract Number:
- SC0021286
- OSTI ID:
- 2421871
- Alternate ID(s):
- OSTI ID: 1926769
- Journal Information:
- New Phytologist, Journal Name: New Phytologist Journal Issue: 6 Vol. 237; ISSN 0028-646X
- Publisher:
- WileyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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