Inventorying natural values in forest stands
2002
Korjus, H. (Estonian Agricultural University, Tartu (Estonia). Department of Forest Management)
The method used in the Estonian Forest Conservation Area Network (EFCAN) project for inventorying values (INV) was analyzed in order to explore its efficiency. The method has been extensively used for creating the EFCAN and describing the naturalness of forest stands and key habitats on the existing nature conservation areas and potential new conservation areas. For the purposes of comparison with commercial forests, another data set from INV in forests at Jaervselja was used. The method is suitable for INV; however, it is dependent on forest site types. It works well in almost all fertile forest site types and relatively well in poor paludified and peatland forests. The method seems to not work in alvar and boreal heath forests and the Vaccinium vitis-idaea forest site type. The study showed that the method is virtually useless in distinguishing between potential key habitats and "real" key habitats as well as between recovering forests and commercial forests with (potential) key habitats
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