areas. Sample (field) plot size has long been considered a key sampling design parameter and focal point for
optimization in forest surveys, because of its impact on sampling effort and the estimation accuracy of forest
inventory attributes. In this study, we demonstrate how plot size and co-registration error interact to
influence the estimation of LiDAR canopy height and density metrics, regression model coefficients, and the
prediction accuracy of least-squares estimators of TAGB. We made use of simulated forest canopies and