<abstract xmlns="http://www.w3.org/1999/xhtml">

Damages by wind and by European spruce bark beetle (<italic>I. typographus</italic> L.) were compared on the basis of the reports about the occurrence of harmful forest agents for the period 1964−1991 across former regional state forest directorates. In the given period, the quantity of salvage logging (70 million m3) was more than five times that of sanitation felling (13 million m3). Damage intensity increased over the decades. Using a cross-correlation function between the time series, an increase in the abundance of <italic>I. typographus</italic> due to windfall was demonstrated with a delay of 1–3 years. Wind damage was also shown to arise as a result of disturbed stand stability after sanitation felling with a stochastic delay of 1−5 years. Thus, disturbance of static stability of forest stands may be considered as one of the main harmful consequences of bark beetle outbreaks for the near future. Consequences for forest management are discussed.
</abstract>

Damages by wind and by European spruce bark beetle (I. typographus L.) were compared on the basis of the reports about the occurrence of harmful forest agents for the period 1964−1991 across former regional state forest directorates. In the given period, the quantity of salvage logging (70 million m3) was more than five times that of sanitation felling (13 million m3). Damage intensity increased over the decades. Using a cross-correlation function between the time series, an increase in the abundance of I. typographus due to windfall was demonstrated with a delay of 1–3 years. Wind damage was also shown to arise as a result of disturbed stand stability after sanitation felling with a stochastic delay of 1−5 years. Thus, disturbance of static stability of forest stands may be considered as one of the main harmful consequences of bark beetle outbreaks for the near future. Consequences for forest management are discussed.

Quantification of time delay between damages caused by windstorms and by <italic>Ips typographus</italic>

Forestry and Game Management Research Institute (FGMRI), Strnady 136, CZ – 156 00 Prague 5 - Zbraslav, Czech Republic

Central European Forestry Journal

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Quantification of time delay between damages caused by windstorms and by 

Damages by wind and by European spruce bark beetle (I. typographus L.) were compared on the basis of the reports about the occurrence of harmful forest agents...

Quantification of time delay between damages caused by windstorms and by Ips typographus

Publié en ligne: 29 févr. 2016

Pages: 221 - 231

DOI: https://doi.org/10.1515/forj-2015-0030

Mots clés
forest pest management, disturbance, windfall, bark beetles, population dynamics

© 2015 Roman Modlinger et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Quantification of time delay between damages caused by windstorms and by Ips typographus

Publié en ligne: 29 févr. 2016

Pages: 221 - 231

DOI: https://doi.org/10.1515/forj-2015-0030

Mots clésforest pest management, disturbance, windfall, bark beetles, population dynamics

© 2015 Roman Modlinger et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
forest pest management, disturbance, windfall, bark beetles, population dynamics