Variance components analyses (VCA).

Results of the variance components analyses (VCA) performed on all the statistics derived from the auto-spectral analyses of the transect stations time-series. Deployment date was fit as a random effect (temporal) and the residual variance is attributed to location (spatial). The VCs were fitted using REML, and many of the VCs approached zero. When fitted using traditional ANOVA estimation, these VCs were negative, indicating a true estimate of zero.