Needle trace method | Metoda preucevanja sledi iglic terminalnega poganjka
Poljanšek, S., Forestry Institute, Ljubljana (Slovenia) | Oven, P., Ljubljana Univ. (Slovenia). Biotechnical Fac., Wood Science and Technology Dept. | Jalkanen, R., Finnish Forest Research Institute (Finland) | Levanic, T., Forestry Institute, Ljubljana (Slovenia)
Needle trace method retrospectively records the needle age at the time of its fall-off and studies the influence of the environmental and biotic factors on needle proxies. Data on height increments and number of needle traces in tree-rings of individual growth shoot are collected. With needle proxies, the tree crown's physical condition is evaluated. The method was developed in Finland on Scots P
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