Sustainable, well-planned, near to nature forest management deals with the production of raw timber. The classical central disciplines are silviculture, forest growth and yield and forest planning supplemented by information on the timber market, storage and bio-energy. Loss events, such as windfall, bark beetle or game damage, present an ever re-occurring challenge to forest personnel. Successful management in avoiding and limiting risks and damage is part of an effective operational strategy.

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Spruce and climate change – what is to be done?

No need for panic, stay cool! It really cannot be inferred that stands of spruce tree will suddenly and abruptly disappear from large areas throughout the country. In this article you will find recommendations for action and alternatives to spruce cultivation in low-lying areas.

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Douglas fir – a timber species with potential

Native Douglas fir is a very popular species and is suitable for a variety of different purposes. However, no other commercial tree species shows so much variation in the quality of its timber. What features determine quality and how do they affect how the timber is used?

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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.

Foreign tree species

Some euphorically endorse non-native tree species while others demonize them. Where in lies the truth? In Europe many foreign tree species have been established for a long time. Is that good or bad? Can all the tree species be lumped together?

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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. (4)
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. (6)
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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Heading image: Ulrich Wasem