Are the natural fires of the past low intensity of high intensity fires up?

While high fire severity may inhibit regeneration of some species, it is ... levels of biodiversity comparable to old-growth forests ... Does Forest Thinning Reduce Fire Intensity or Lower Fire Occurrence ... only open up the overstory canopy too much but also are ineffective at slowing fire spread.

Explanation:

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.