Fig. 1: Artificial and natural bark stripping on young Pinus radiata trees.

a Fifteen month-old P. radiata trees showing the bark stripping treatment (lower left) and how bark was sampled for chemical analysis (upper strip removed) from treated (left) and untreated control (right) plants. After 3 weeks a strip of bark for chemical analysis was collected 1 cm above the treated area of the treatment tree and at similar height for the control tree (see text for details), b two seedlings that have been bark stripped by marsupials in the field.