Fig. 1From: Boreal trees in the Mediterranean: recruitment of downy birch (Betula alba) at its southern range limitMaps showing the distribution of downy birch (grey area based on Atkinson 1992 and Svenning and Skov 2007) and the study area (empty square) as well as the spatial arrangement of birch trees within experimental populations (approximate scale 1: 100,000)Back to article page