The program for the hybrid (in-person + remote) IUFRO conference "Biological Invasions in Forests: Trade, Ecology & Management" can be found at https://iufro.czu.cz/cache/article-data/IUFRO/IUFRO%20Prague%20Program.pdf All times are given in Central European time. Scientific sessions will be held at the Czech University of Life Sciences in Prague 21, 23 and 24 September and will be live-streamed with access via *YouTube*: Tuesday, 21 September - https://youtu.be/gfCag1_7yws Thursday, 23 September - https://youtu.be/B2MCFgTnszc Friday, 24 September - https://youtu.be/QGqpjOV8fxs *Zoom*: Zoom Meeting https://cesnet.zoom.us/j/99218403860 Meeting ID: 992 1840 3860 Please contact me if you have any questions. Andrew Liebhold http://sandyliebhold.com Northern Research Station 304-285-1512 USDA Forest Service 304-285-1505 FAX 180 Canfield St. 724-317-8668 mobile Morgantown, WV 26505 USA