UBC Research Data

Data from: Asymmetric competition impacts evolutionary rescue in a changing environment Van Den Elzen, Courtney L.; Kleynhans, Elizabeth J.; Otto, Sarah P.

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Abstract
Interspecific competition can strongly influence the evolutionary response of a species to a changing environment, impacting the chance that the species survives or goes extinct. Previous work has shown that when two species compete for a temporally shifting resource distribution, the species lagging behind the resource peak is the first to go extinct due to competitive exclusion. However, this work assumed symmetrically distributed resources and competition. Asymmetries can generate differences between species in population sizes, genetic variation and trait means. We show that asymmetric resource availability or competition can facilitate coexistence and even occasionally cause the leading species to go extinct first. Surprisingly, we also find cases where traits evolve in the opposite direction to the changing environment because of a ‘vacuum of competitive release’ created when the lagging species declines in number. Thus, the species exhibiting the slowest rate of trait evolution is not always the most likely to go extinct in a changing environment. Our results demonstrate that the extent to which species appear to be tracking environmental change and the extent to which they are preadapted to that change may not necessarily determine which species will be the winners and which will be the losers in a rapidly changing world.; Usage notes
Evolving Communities One Species Simulations All Raw Simulation DataWARNING: ~ 4.38 GB when expanded. Contains all of the raw data from the one-species simulations from the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities One Species Simulations Raw Simulation Data.zip
Evolving Communities Two Species Raw Data (Part 1 - Symmetric Resources and Sym and Asym Competition)WARNING: ~ 3.6 GB when expanded. Contains all raw simulation data for the two-species simulations with symmetric resource distribution and competition from the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities Two Species Raw Simulation Data (Part 1 - Symmetric Resource and Sym and Asym Competition).zip
Evolving Communities Two Species Raw Simulation Data (Part 2 - Asymmetric Resources)WARNING: ~3.2 GB when expanded. Contains all of the raw simulations data for the two-species simulations with an asymmetric resource distribution from the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities Two Species Raw Simulation Data (Part 3 - Asymmetric Resources & High Mutation Rate)WARNING: ~4.38 GB when expanded. Contains all of the raw simulations data for the two-species simulations with high mutation rate and asymmetric resource distribution from the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment". This includes the extended (to extinction) original runs in the case of slow environmental change (see Part 6a for other replicates).Evolving Communities Two Species Raw Simulation Data (Part 4 - Asymmetric Resources & Large Mutation Size)WARNING: ~3.3 GB when expanded. Contains all of the raw simulations data for the two-species simulations with large mutation size and an asymmetric resource distribution from the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities Two Species Raw Data (Part 5 - Leading Species Extinction Extra Simulations - Large Mutation Size)WARNING: ~622.1 MB when expanded. Contains all of the raw simulations data for the extra simulations run to explore leading species extinction with a large mutational effect size in the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities Two Species Raw Data (Part 6a - Leading Species Extinction Extra Simulations - High Mutation Rate)WARNING: ~4.83 GB when expanded. Contains raw simulations data for the extra simulations run to explore leading species extinction with a high mutation rate and a slow environmental change in the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities Two Species Raw Data (Part 6b - Leading Species Extinction Extra Simulations - High Mutation Rate)WARNING: ~2.17 GB when expanded. Contains all of the raw simulations data for the extra simulations run to explore leading species extinction in the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Head Start or Population Size Raw Simulation DataWARNING: ~ 528 MB when expanded. Contains all raw simulation data for the head-start vs population size simulations with symmetric resource distribution and competition from the manuscript "Asymmetric Competition Impacts Evolutionary Rescue in a Changing Environment".Evolving Communities Two Species Example Simulation File (For Use With Supplementary Mathematica Package)This file contains all data files necessary to use the Supplementary Mathematica Package available in the Electronic Supplementary Material through Proceedings B.Sample Files for Sup Mat.zip

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