Bank vole populations: are their densities really high and individual home range small?

The sizes of home ranges and population density in Clethrionomys glareolus (Schreber, 1780) have been determined in a 5-day period by use of a trap line consisting of 80 sites (2 traps per site) spaced every 15 metres. Three days prior to, and during the trapping period oat grain was offered in sets of 4 plastic boxes set in corners of 4X4 m squares between stands 20 and 21, and 60 and 61. 68 bank voles were caught.