"Sustainability" Doesn't mean what you think it does. In forestry, sustainability, if measured incorrectly, can be quite a suboptimal and unsustainable system.
0:00 - What is Sustainability?
3:55 - Annual Allowable Cuts
6:17 - The Problem
8:34 - Small Wood
10:27 - Be Robust
DIY Forest Management Guide: https://thetimberlandinvestor.com/how-to-read-your-forest-an-intro-to-diy-forest-management/
Harvester Productivity Research: https://www.researchgate.net/publication/273959088_Productivity_of_harvesters_and_forwarders_in_CTL_operations_in_Northern_Sweden_based_on_large_follow-up_datasets