[SpeedTree]
SpeedTree was the proprietary tree rendering system used by Bethesda for Oblivion.
Since Skyrim uses its own (custom) tree system, these settings likely have no effect.
fLODTreeMipMapLODBias
Default is -0.75.
fLODTreeMipMapLODBias=(...,-0.0001,0,0.0001,...)
fLocalTreeMipMapLODBias
Default is -0.25.
fLocalTreeMipMapLODBias=(...,-0.0001,0,0.0001,...)
