“…BP, notably of Pinus but also of Quercus, has been associated with climatic deterioration (Birks, 1975;Bennett, 1984;Gear and Huntley, 1991;Huntley et al, 1997). Pastoral farmers may have quickly taken advantage of open grassland and heath developing as woodlands decayed through climatic stress (Davies, 1999(Davies, , 2007Tipping and Tisdall, 2004 800 cal. years for farmers to consolidate the use of this increasingly open plateau.…”