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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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. Sightings of infestations have been on the rise since.

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How far does pollen travel?

Tree pollen travels large distances and there is considerable intermixing of genes in forests. This has both positive and negative consequences for forest management. Small stands are rarely genetically isolated, but seeds from seed stands are less pure than expected.

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The potential, opportunities and risks of using energy wood

The planned implementation of the energy transition is likely to place increasing pressure on natural resources. This raises the question of the potential, opportunities and risks associated with the use of wood for energy in Switzerland.

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02.07.2015 Ash dieback
Ash dieback

Ash dieback first occurred in Europe in 1992 in north-eastern Poland. In Baden-Wuerttemberg, the symptoms were first detected in plantations and natural regeneration in the spring of 2009. The FVA is studying ash dieback intensively.

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Harvest-induced bark damage: a package of research projects

When trees are harvested, it is virtually impossible to avoid that a number of the remaining trees will suffer harvest related damage. However, there is evidence that in forest practice the amount of bark damage inflicted during a harvest operation often exceeds tolerable levels.

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Heading image: Ulrich Wasem