DIGITALNA ARHIVA ŠUMARSKOG LISTA
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| ŠUMARSKI LIST 11-12/2019 str. 59 <-- 59 --> PDF |
2.2 times more damaging agents per hour, 2.7 times more trees per hour, and 13.4 times more standing dead trees per hour. It also suggested 7.0 times more management measures per hour. Therefore, the overall performance of the UFMO method exceeded the ISM method in all the chosen performance measures expressed in relative time except the amount of data gathered. Additionally, ISM performed better for two measures expressed in relative area, i.e. ISM recorded 2.5 times more damaging agents per are and 2.0 times more trees per are. Nevertheless, the UFMO method yielded 1.3 times more management measures per are, recorded 2.5 times more standing dead trees per hectare, and surveyed an area of one are 5.4 times faster than the ISM method. Comparing the most frequent damaging agents between ISM and the UFMO method revealed two quite distinct lists of agents (Table 2). The ISM method recorded mostly defoliating agents affecting the crown, such as Lophodermium spp., Dryocosmus kuriphilus Yasumatsu (1951), and Diplodia pinea (Desm.) J. Kickx, whereas the UFMO |