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Full-Text Articles in Ecology and Evolutionary Biology
Altered Spring Phenology Of North American Freshwater Turtles And The Importance Of Representative Populations, Fredric J. Janzen, Luke A. Hoekstra, Ronald J. Brooks, David M. Carroll, J Whitfield Gibbons, Judith L. Greene, John B. Iverson, Jacqueline D. Litzgus, Edwin D. Michael, Steven G. Parren, Willem M. Roosenburg, Gabriel F. Strain, John K. Tucker, Gordon R. Ultsch
Altered Spring Phenology Of North American Freshwater Turtles And The Importance Of Representative Populations, Fredric J. Janzen, Luke A. Hoekstra, Ronald J. Brooks, David M. Carroll, J Whitfield Gibbons, Judith L. Greene, John B. Iverson, Jacqueline D. Litzgus, Edwin D. Michael, Steven G. Parren, Willem M. Roosenburg, Gabriel F. Strain, John K. Tucker, Gordon R. Ultsch
Faculty & Staff Scholarship
Globally, populations of diverse taxa have altered phenology in response to climate change. However, most research has focused on a single population of a given taxon, which may be unrepresentative for comparative analyses, and few long-term studies of phenology in ectothermic amniotes have been published. We test for climate- altered phenology using long-term studies (10–36 years) of nesting behavior in 14 populations representing six genera of freshwater turtles (Chelydra, Chrysemys, Kinosternon, Malaclemys, Sternotherus, and Trachemys). Nesting season initiation oc- curs earlier in more recent years, with 11 of the populations advancing phenology. The onset of nesting for nearly all populations …