Table 4 The main advantages and disadvantages of different inventory types considered in the present study
Monitoring/inventory type | Advantages | Disadvantages |
|---|---|---|
ICP Forests Level 1 in Finland | Good temporal coverage; yields time series at plot level, well trained observers, detailed damage descriptions (since 2005) | Poor coverage in the north, rare forest types poorly represented, only dominant and co-dominant trees, peatland sites present only during the last years of the study period |
Finnish NFI 8 and NFI 9 | Also rare forest types well represented | Annually changing regional coverage may miss even widespread outbreaks/epidemics |
Finnish NFI10 | Also rare forest types well represented; good spatial (country-wide) coverage | Not possible to get annual time series at plot level |