Fig. 2From: Variable retention in Tasmania, Australia: trends over 16 years of monitoring and adaptive managementGeneralized additive model of the relationship between harvest year and the number of ARN coupes harvested. Shaded areas indicate the 95% confidence interval. d2 is the proportion of the null deviance explained by the model. p values indicate the approximate significance of the single smooth term, while edf is the estimated degrees of freedom for the smooth termBack to article page