All ancient woodland should be on this map.

Ancient woods are irreplaceable. They are our richest terrestrial wildlife habitats, with complex ecological communities that have developed over centuries, and contain a high proportion of rare and threatened species, many of which are dependent on the particular conditions that this habitat affords. For this reason, ancient woods are reservoirs of biodiversity, but because the resource is limited and highly fragmented, they and their associated wildlife are particularly vulnerable.

Their long continuity and lack of disturbance means ancient woods are often also living history books, preserving archaeological features and evidence of past land use, from earthworks to charcoal pits. They are also places of great aesthetic appeal, making them attractive for recreation and the many benefits this can bring in terms of health and well being.

With only 2.4% of the land area in Great Britain covered by ancient woodland, it is essential that no more of this finite resource is lost. This means that ancient woodland must be protected absolutely from permanent clearance, but also that it must be protected from damaging effects of adjacent and nearby land-use that could threaten the integrity of the habitat and survival of its special characteristics.

It is not possible to replace ancient woodland by planting a new site, or attempting translocation. Every ancient wood is a unique habitat that has evolved over centuries, with a complex interdependency of geology, soils, hydrology, flora and fauna.