BIOTIC FACTORS 



281 



Fig. 145. — Calluna heath in Hanover after plowang (foreground) ; self-sown seedlings of 

 Pinus silvestris in old pasture in background. {Photo by Tilxen.) 



Fig. 146. — Cintus tnofispeliensis fire facies of the Lavandula atorchas-Erica 

 association near Montpellier, France. {Photo by P 



coparia 

 F.dlcr and Braun-Blanquvt.^ 



