This document summarizes a study that used airborne LiDAR and ALOS PALSAR satellite data to monitor forest management activities. The study used LiDAR to identify individual tree locations and heights before and after thinning. Stem volume changes were then estimated and related to changes in PALSAR backscattering coefficients. The results showed that HV polarization was more sensitive than HH to biomass changes from thinning, and the HV/HH axis rotated towards increasing HV values after thinning. Future work could utilize full polarization data and interferometry to better monitor biomass changes over larger areas.