Can We Use Genomic Data to Predict Maladaptation to Environmental Change?

Area of Science:

• Evolutionary biology
• Conservation genetics
• Genomics

Background:

• Climate change poses a significant threat to species adaptation.
• Predicting population responses to environmental change is crucial for conservation.
• Genomic offset is a promising approach to forecast adaptation disruption.

Purpose of the Study:

• To evaluate the performance of genomic offset under diverse evolutionary and ecological scenarios.
• To identify conditions that may affect the accuracy of genomic offset predictions.

Main Methods:

• Extensive computer simulations were conducted.
• The study tested genomic offset across various settings, including different rates of environmental change and population genetic structures.
• Performance was assessed by comparing predicted and simulated fitness outcomes.

Main Results:

• Genomic offset is a valuable tool for predicting population fitness in changing environments.
• Its predictive power can decrease under specific conditions, particularly in novel environments.
• Simulation results highlight the influence of evolutionary and ecological factors on genomic offset accuracy.

Conclusions:

• Genomic offset is a robust method for assessing adaptation potential under climate change.
• Understanding the limitations, especially in novel environments, is key for its effective application.
• This research provides critical insights for refining genomic offset as a conservation tool.