Very small vertical microbiomes seem to be generating in the air

As is evident from the screenshots attached, very tiny vertical micro biomes are generating in the air, these are usually only 2 3 y-level tall.

The area on the ground is the correct biome but different biomes(incorrect and correct) stack up on each other in the air.

seed: 7310561181964254844

/execute in minecraft:overworld run tp @s -49.73 113.47 84.97 -91.79 90.00 (this is the basic area, you can check the different coords given in the screenshots))