Figure 4

Preservation of the 14C bomb peak and evidence of human activity in the Homestead Scarp peat sequence, subantarctic Campbell Island. Summary pollen diagram from Homestead Scarp38,50; pollen values calculated as percentage total native terrestrial pollen. Dotted line marks commencement of sheep farming (CE 1931) as indicated by onset of burning and rise of unpalatable species; grey bar denotes the 14C ‘bomb peak’.