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FW-I-7: Volume of damaged timber due to spruce bark beetle – case study

The XY scatter diagram FW-I-7 ’Volume of damaged timber due to spruce bark beetle infestation – case study’ indicates – for the period of 1998 to 2021 – the deviation of the annual volume of damaged timber infested by spruce bark beetle as a multiple of the multi-annual average for the period of 1998 to 2017. Eight individual dots represent the infestation data for eight Länder for each year, based on a logarithmic scale.
Source: Zeitschrift AFZ – DerWald (overview chapters of federal states on forest protection)
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Short link: www.uba.de/m111684en