A dynamic forest can be heavy on the GPU. To keep your frame rates high:
If you are looking for the popular Unity game engine asset titled "Forest Environment - Dynamic Nature," you can find it on the Unity Asset Store forest environment dynamic nature free download upd
(Scientific Reports, 2025): Analyzes how the physical structure of a forest changes over time and how that affects the "services" it provides to humans. Read on Nature 4. Global Trends "Global Forest Edge Dynamics in the 21st Century" A dynamic forest can be heavy on the GPU
"Insights into the linkages of forest structure dynamics with ecosystem services" forest environment dynamic nature free download upd