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. Author manuscript; available in PMC: 2011 Dec 2.
Published in final edited form as: Evolution. 2008 Oct;62(10):2451–2461. doi: 10.1111/j.1558-5646.2008.00472.x

Table 1. Summary of abbreviations and symbols.

Symbol Definition
AL Adaptive landscape
ISS Individual selection surface
P Phenotypic variance–covariance matrix before selection, P-matrix
ω+P Strength of stabilizing selection (Gaussian AL), matrix
ω Strength of stabilizing selection (Gaussian ISS), ω-matrix
γ Strength of stabilizing selection (quadratic approx. of ISS), γ-matrix
rω Selectional correlation, computed from ω
G Additive genetic variance–covariance matrix, G-matrix
Average of G over time
rg Genetic correlation, computed from G
M Mutational effects variance–covariance matrix, M-matrix
rμ Mutational correlation, computed from M
CPC Common principal components, shared eigenvectors
Ne Effective population size
HHS Vulnerability Disclosure