Forest protection

Forest protection

Loss events such as windfall, bark beetle or game damage present an ever re-occurring challenge to forest staff. These very complex relationships need careful evaluation. Therefore extensive knowledge of causes and counter-measures is essential.

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Wood structure and fungal attack following injuries to bark

Injuries to bark in commercial timber tree species are relatively frequent. They arise as skidding damage at the base of the trunk or as felling damage in the higher sections. What effect do these injuries have on the timber quality of spruce, fir and beech?

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Tracking the bark beetles

Bark beetles are capable of causing large-scale damage during mass propagation. With the help of the bark beetle monitoring program, data for scientific research is collected and important information for the forestry praxis is made available.

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Chestnut blight: symptoms, biology and management strategies

Chestnut blight is a dangerous fungal disease of chestnut (Castanea) species. Within 30 years it almost completely destroyed the extensive chestnut forests in the USA. Fortunately, the impact of the disease in Europe is less dramatic.

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Sometimes more damage, sometimes less – why?

Timber harvesting can cause an appreciable amount of bark damage. The FVA has undertaken a comprehensive analysis to filter out the major factors for bark damage. In particular, the current timber harvesting conditions play a role in this.

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Soft rime and snow-break – when ice and snow bend the branches

Snow and ice damage inflict time and again large damages. They expose weak points for insects and fungi, incremental losses and subsequent throws can also throw operations off the track and lead to economic damages.

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Avalanche: foundations for effective protection

An effective avalanche protection depends on many factors: protection forests, protection barriers and an avalanche warning system are important prerequisites for example. This article outlines how avalanches happen and what you can do about them.

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Drought in the forest

Forecasts suggest that our native forest trees will face increasing drought stress. How are trees dealing with this and what measures can you take?

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Damage caused by drought

Dry cracks and dryness caused by frost are damage symptoms which can occur due to water shortages in the forest. What are the causes and what measures help when the risk is identified?

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Handbook: Water in the Forest

The handbook examines the effects of excess of water, drought and snow and ice in forests. The authors cover numerous issues, recommend preventative measures and provide guidance for further information.

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The Asian longhorned beetle in Europe

The ALB was first spotted on European soil in 2001. Sightings of infestations have been on the rise since.

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Heading image: FVA/Hanne Gössl