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Models of evolutionary rescue with plasticity and nonlinear environmental change: code and data

Citation

Greenspoon, Philip; Spencer, Hamish (2021), Models of evolutionary rescue with plasticity and nonlinear environmental change: code and data, Dryad, Dataset, https://doi.org/10.5061/dryad.prr4xgxnf

Abstract

Rapid environmental changes are putting numerous species at risk of extinction. For migration-limited species, persistence depends on either phenotypic plasticity or evolutionary adaptation (evolutionary rescue). Current theory on evolutionary rescue typically assumes linear environmental change. Yet accelerating environmental change may pose a bigger threat. Here we present the simulation code and data from a model of a species encountering an environment with accelerating or decelerating change, to which it can adapt through evolution or phenotypic plasticity (within-generational or transgenerational). We show that unless either form of plasticity is sufficiently strong or adaptive genetic variation is sufficiently plentiful, accelerating or decelerating environmental change increases extinction risk compared to linear environmental change for the same mean rate of environmental change. 

Methods

Please see the "Description_of_data.pdf" file for description of data.

Funding

Marsden Fund, Award: UOO1612