2017-2018 Bullard Fellow Crystal Schaaf, a Professor in the School for the Environment at the University of Massachusetts Boston, spent her sabbatical year at Harvard Forest documenting the changes in forest structure that are occurring due to the widespread hemlock woolly adelgid (HWA) infestation of eastern forests. Professor Schaaf and her team employ satellite imagery and terrestrial lidar
New analyses of lake‐sediment pollen records from 29 sites across southern and central New England, recently published in the Journal of Biogeography, report on 14,000 years of change in tree diversity since the last glaciation.