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Schematic illustration of sampling areas on the experimental logs.

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posted on 19.02.2013 by James K. McCarthy, Eckehard G. Brockerhoff, Raphael K. Didham

All logs were assessed for bark beetle, other arthropod and sapstain colonisation. Numbers 1 to 8 indicate log sections (cuts are the dashed lines dividing the sections), and letters A to F indicate log segments within each section of the experimental Pinus radiata logs. The two outer sections, where sapstain penetration was expected to be greatest, were cut 20 mm thick, and the remaining length of log was divided into six equal-sized sections (ideally 77 mm, but varying from 75–79 mm, depending on variability between individual logs and individual section-cuts). The entire outer surface of the log was divided into discrete areas (1A to 8F) where arthropod colonisation was recorded.

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