The pace of modern life, revisited
2022
Sanderson, Sarah | Beausoleil, Marc‐Olivier | O’Dea, Rose E. | Wood, Zachary T. | Correa, Cristian | Frankel, Victor | Gorné, Lucas D. | Haines, Grant E. | Kinnison, M. T. (Michael T.) | Oke, Krista B. | Pelletier, F. (Fanie) | Pérez‐Jvostov, Felipe | Reyes‐Corral, Winer D. | Ritchot, Yanny | Sorbara, Freedom | Gotanda, Kiyoko M. | Hendry, A. P. (Andrew P.)
Wild populations must continuously respond to environmental changes or they risk extinction. Those responses can be measured as phenotypic rates of change, which can allow us to predict contemporary adaptive responses, some of which are evolutionary. About two decades ago, a database of phenotypic rates of change in wild populations was compiled. Since then, researchers have used (and expanded) this database to examine phenotypic responses to specific types of human disturbance. Here, we update the database by adding 5675 new estimates of phenotypic change. Using this newer version of the data base, now containing 7338 estimates of phenotypic change, we revisit the conclusions of four published articles. We then synthesize the expanded database to compare rates of change across different types of human disturbance. Analyses of this expanded database suggest that: (i) a small absolute difference in rates of change exists between human disturbed and natural populations, (ii) harvesting by humans results in higher rates of change than other types of disturbance, (iii) introduced populations have increased rates of change, and (iv) body size does not increase through time. Thus, findings from earlier analyses have largely held‐up in analyses of our new database that encompass a much larger breadth of species, traits, and human disturbances. Lastly, we use new analyses to explore how various types of human disturbances affect rates of phenotypic change, and we call for this database to serve as a steppingstone for further analyses to understand patterns of contemporary phenotypic change.
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