ecoregions-1.16.5-1.1.0-release is a release file of the Minecraft mod Eco Regions: A ZAWA Add-on for Forge, made for Minecraft 1.16.5. It was published on October 12, 2024 and is 0.6 MB in size. For the full description, screenshots and every other version, visit the Eco Regions: A ZAWA Add-on mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.