performance and fps decrease significantly when near or in the mangrove swamp biome, where my device only gets an average of "29fps in 5 render chunks, while in other biomes I can get an average" above 54fps even in the jungle biome.

trying to get close to the swamp, the fps drops even worse

specification of my phone:
Exynos 9610
4gb ram
mali-g72 mp3