Icelandic volcanic ash and the mid- Holocene Scots pine (Pinus sylvestris) pollen decline in northern Scotland

A volcanic ash-layer in peat from northern Scotland has been identified and coincides exactly with an abrupt decline in Pinus sylvestris L. (Scots pine) pollen frequencies. This provides an isochrone (time-equivalent marker horizon) with which to investigate the timing of the Holocene 'pine-decline'... View More