Forestry

Forestry

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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Tree growth on the fast track

Continuous monitoring of growth on experimental forest plots since 1870 – this is a global rarity. Just as fascinating is what this observation has revealed: our trees have been growing faster over the last five decades than they did before.

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Forest protection with sessile oak

Sessile oak is a highly desired tree species. However, a few of the many residence found living on the tree are causing problems for it. It is particularly precarious for the tree when early and late defoliators appear together.

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Rotting spruce trees – what can be done to control red rot?

Buyers of timber are looking for white, firm spruce timber – and are prepared to pay a good price for it. Reddish discolourations on the other hand are not very popular: beware red rot! Here the problem is not the colour but the decomposition of the wood.

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Pruning for quality improvement

The production of high quality timber requires that some tree species be pruned for quality improvement. This must be done expertly and professionally to ensure success.

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Scent detection dogs for the Asian longhorn beetle

Dogs are known to be used for explosive or medical detection or as drug-sniffing dogs. But did you know you can also use them as detection dogs in timber trade? The Austrian Research Centre for Forests (BFW) trains and works with the animals to detect the Asian longhorn beetle and the Citrus longhorn beetle.

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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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Heading image: Ulrich Wasem