Supplement 1. Data used in standard (Appendix A), sequential (Appendix B), and principal components regressions (Appendix C), and structural equation models (Appendix D) of the effect of various environmental factors on the distribution of giant kelp.

File List Originaldata.txt Response and independent variables for multiple regressions. Residualdata.txt Residual-transformed independent variables. Pcscores.txt PC scores from principal components analysis. Description Data used in standard (Appendix A), sequential (Appendix B), and principal components regressions (Appendix C), and structural equation models (Supplement 2) of the effect of various environmental factors on the distribution of giant kelp.