High-Arctic Tree Removal

This add-on removes autogen trees from 21 high Arctic regions including Alaska, Canada, Greenland, Siberia, and more, using exclusion polygons. It introduces a biome override that replaces trees with grass and small shrubs to better represent Arctic tundra vegetation. The polygons align with latitude and longitude lines to optimize performance and minimize impact on frame rates. Designed for use in MSFS 2020, compatibility with future versions is untested.