Metadata Column ID Description Island Island label Trait Trait upon which selection was measured Year Year of study Sex Sex of animal Age Age of animal SurvivalRate Proportion of animals surviving LinearGradient Linear selection differential for given trait LinearSign Sign of linear selection for a given trait LinearMag Magnitude of linear selection for a given trait Linear.SD Standard deviation of linear selection for a given trait LinearFValue F-value of linear selection for a given trait LinearPValue P-value of linear selection for a given trait QuadraticGradient Quadratic selection differential for given trait QuadSign Sign of Quadratic selection for a given trait QuadMag Magnitude of Quadratic selection for a given trait Quad.SD Standard deviation of Quadratic selection for a given trait QuadFValue F-value of Quadratic selection for a given trait QuadPValue P-value of Quadratic selection for a given trait IslandDensity Density of island population (individuals*m^-1) SexRatio "Sex ratio of island population (0=all female, 1=all male)" SelectionPeriod If selection was measured during the first season or subsequent season Season If season during which selection was measured was reproductive or nonreproductive