Fig. 4
From: Estimating species pools for a single ecological assemblage
Relationships between estimated species richness (\(S_{{\hat{A}}}\)) for the associated species pool and population rarity threshold for the BCI local forest plot. The shadowed area is the 95% confidence band for S A when the corresponding threshold t varies. Four sampling fractions of the entire BCI plot, as shown in Fig. 3, were analyzed and compared for their consistency in estimating regional species richness. The vertical dashed line indicates the optimal threshold identified from Fig. 2 for each sampling scale