Ancient woodland — defined in Britain as land that has been continuously wooded since at least 1600 CE — covers barely two per cent of the country, making it rarer than rainforest on a global scale. These fragments are ecological treasure houses, supporting hundreds of species of plants, fungi, invertebrates, and lichens that cannot survive in younger, more disturbed habitats.
Indicator species help identify ancient woodland even where no historical records exist. Bluebells, wood anemone, dog's mercury, and yellow archangel are among the plants that spread so slowly they are unlikely to have colonised a site unless trees have stood there for centuries. The soil itself is a repository of ecological memory, containing mycorrhizal networks and seed banks that modern planting cannot replicate.
Culturally, ancient woodlands have served as sources of timber, fuel, food, medicine, and spiritual meaning for as long as humans have inhabited these islands. The practice of coppicing — cutting trees to the base on a rotation to produce a renewable supply of poles — created the characteristic multi-stemmed trees and open canopy structure that so many woodland species depend upon. Protecting and restoring ancient woodland is not merely an environmental priority but an act of cultural continuity.