A review of the mid-Holocene elm decline in the British Isles
Over the past 50 years the most enigmatic feature of pollen diagrams from northwest Europe has been the mid-Holocene elm decline, and there has been much speculation as to the origin(s) and cause(s) of this event. A total of 150 radiocarbon dates
from 139 sites spanning the elm decline in Britain and Ireland have been collated and scrutinized. Statistical analyses on 138 dates show that the event has a mean date of 5036 C 14 yr BP with a standard deviation of 247. Recent research