Swimming against the tide: resilience of a riverine turtle to recurrent extreme environmental events

Date
2014-03-01
Authors
Jergenson, Abigail
Miller, David
Janzen, Fredric
Neuman-Lee, Lorin
Warner, Daniel
Janzen, Fredric
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Ecology, Evolution and Organismal Biology
Abstract

Extreme environmental events (EEEs) are likely to exert deleterious effects on populations. From 1996 to 2012 we studied the nesting dynamics of a riverine population of painted turtles (Chrysemys picta) that experienced seven years with significantly definable spring floods. We used capture–mark–recapture methods to estimate the relationships between more than 5 m and more than 6 m flood events and population parameters. Contrary to expectations, flooding was not associated with annual differences in survival, recruitment or annual population growth rates of the adult female segment of the population. These findings suggest that female C. pictaexhibit resiliency to key EEE, which are expected to increase in frequency under climate change.

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This is a manuscript of an article from Biology Letters 10 (2014): 20130782, doi: 10.1098/rsbl.2013.0782. Posted with permission.

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