0 a time in the past when the temperature was very cold and glaciers covered large parts of the earth --
Because these beetles are normally associated with tree line habitats, their location suggests an altitudinal tree limit during the glacial period.
During the last glacial period the region was covered by a large glacier which had little movement because of the flat terrain.
The last glacial period ended about 10,000 years ago, resulting in the present distribution of ecoregions.
Here the villages are no longer located in the valley floor, but higher up on sunny terraces formed in the glacial period.
It was not, however, covered by ice during the last glacial period, which peaked around 20,00022,000 years ago.
At the end of the last glacial period, the sea level rose, cutting the island off from the mainland.
After an important retreat, the glacier again advanced 11,000 years ago during the last glacial period.
The most important one is believed to be a result of the melting of continental ice sheets at the end of the last glacial period.
