Powered by Piwigo
13th Century National Park | Birches
WI_mo057.jpg 13th Century National Park  |  Formation of granitic rocksThumbnails13th Century National Park  |  Panorama

Birches (Betula sp.) growing on a granite outcrop. This example shows that trees are generally better adapted to more porous substrates such as found on jointed granite. The trees' deeper root systems, compared to grasses and herbs, may explore water from deeper layers where it is protected against evaporation.

plant, plutonic rocks
Saturday 7 July 2012 by Martin Mergili in Asia / Mongolia (3011 visits)