Fire damage on Holt Heath, Dorset a year on. Fire damage on Holt Heath (Image: Fixed Point Photography)Since the fire was brought under control, conservation staff have been tracking how the landscape responds. Fire damage on Holt Heath, Dorset a year on. Fire damage on Holt Heath, Dorset a year on. "Prevention remains our best defence, because as Holt Heath shows, the impacts of a severe wildfire can last for many years.”